From 382624d34dd67452e54d8339764b8a7f012f2179 Mon Sep 17 00:00:00 2001
From: Maksym Arutyunyan <maksym.arutyunyan@dfinity.org>
Date: Mon, 7 Jul 2025 18:48:50 +0200
Subject: [PATCH 1/4] perf: add batch write of BTreeMap node children addresses

---
 benchmarks/btreemap/canbench_results.yml | 336 +++++++++++------------
 benchmarks/btreeset/canbench_results.yml |  50 ++--
 benchmarks/compare/canbench_results.yml  |   6 +-
 src/btreemap/node/v2.rs                  |  18 +-
 4 files changed, 211 insertions(+), 199 deletions(-)

diff --git a/benchmarks/btreemap/canbench_results.yml b/benchmarks/btreemap/canbench_results.yml
index 0409f7b6..11cde387 100644
--- a/benchmarks/btreemap/canbench_results.yml
+++ b/benchmarks/btreemap/canbench_results.yml
@@ -562,280 +562,280 @@ benches:
   btreemap_v2_insert_10mib_values:
     total:
       calls: 1
-      instructions: 4388588543
+      instructions: 4389915017
       heap_increase: 161
       stable_memory_increase: 3613
     scopes: {}
   btreemap_v2_insert_blob8_u64:
     total:
       calls: 1
-      instructions: 443775952
+      instructions: 444129282
       heap_increase: 0
       stable_memory_increase: 4
     scopes: {}
   btreemap_v2_insert_blob_1024_128:
     total:
       calls: 1
-      instructions: 5499071874
+      instructions: 5499371336
       heap_increase: 0
       stable_memory_increase: 196
     scopes: {}
   btreemap_v2_insert_blob_128_128:
     total:
       calls: 1
-      instructions: 1188107343
+      instructions: 1188460992
       heap_increase: 0
       stable_memory_increase: 46
     scopes: {}
   btreemap_v2_insert_blob_16_128:
     total:
       calls: 1
-      instructions: 494269553
+      instructions: 494676358
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_blob_256_128:
     total:
       calls: 1
-      instructions: 1795455828
+      instructions: 1795801466
       heap_increase: 0
       stable_memory_increase: 67
     scopes: {}
   btreemap_v2_insert_blob_32_1024:
     total:
       calls: 1
-      instructions: 710401042
+      instructions: 710779830
       heap_increase: 0
       stable_memory_increase: 173
     scopes: {}
   btreemap_v2_insert_blob_32_128:
     total:
       calls: 1
-      instructions: 550494414
+      instructions: 550882714
       heap_increase: 0
       stable_memory_increase: 28
     scopes: {}
   btreemap_v2_insert_blob_32_16:
     total:
       calls: 1
-      instructions: 525418870
+      instructions: 525776820
       heap_increase: 0
       stable_memory_increase: 11
     scopes: {}
   btreemap_v2_insert_blob_32_256:
     total:
       calls: 1
-      instructions: 579088493
+      instructions: 579478626
       heap_increase: 0
       stable_memory_increase: 49
     scopes: {}
   btreemap_v2_insert_blob_32_32:
     total:
       calls: 1
-      instructions: 535473021
+      instructions: 535830890
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_32_4:
     total:
       calls: 1
-      instructions: 515820373
+      instructions: 516190407
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_blob_32_512:
     total:
       calls: 1
-      instructions: 617940529
+      instructions: 618327357
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_blob_32_64:
     total:
       calls: 1
-      instructions: 541647936
+      instructions: 542017773
       heap_increase: 0
       stable_memory_increase: 18
     scopes: {}
   btreemap_v2_insert_blob_32_8:
     total:
       calls: 1
-      instructions: 524149607
+      instructions: 524527158
       heap_increase: 0
       stable_memory_increase: 9
     scopes: {}
   btreemap_v2_insert_blob_4_128:
     total:
       calls: 1
-      instructions: 415487066
+      instructions: 415784079
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_512_128:
     total:
       calls: 1
-      instructions: 3046420165
+      instructions: 3046734113
       heap_increase: 0
       stable_memory_increase: 111
     scopes: {}
   btreemap_v2_insert_blob_64_128:
     total:
       calls: 1
-      instructions: 668768098
+      instructions: 669147415
       heap_increase: 0
       stable_memory_increase: 34
     scopes: {}
   btreemap_v2_insert_blob_8_128:
     total:
       calls: 1
-      instructions: 466758920
+      instructions: 467181112
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_u64_blob8:
     total:
       calls: 1
-      instructions: 413423115
+      instructions: 413451513
       heap_increase: 0
       stable_memory_increase: 5
     scopes: {}
   btreemap_v2_insert_u64_u64:
     total:
       calls: 1
-      instructions: 421162309
+      instructions: 421177896
       heap_increase: 0
       stable_memory_increase: 6
     scopes: {}
   btreemap_v2_insert_u64_vec8:
     total:
       calls: 1
-      instructions: 416642967
+      instructions: 416676862
       heap_increase: 0
       stable_memory_increase: 21
     scopes: {}
   btreemap_v2_insert_vec8_u64:
     total:
       calls: 1
-      instructions: 600143709
+      instructions: 600505951
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_1024_128:
     total:
       calls: 1
-      instructions: 2752109976
+      instructions: 2752132829
       heap_increase: 0
       stable_memory_increase: 193
     scopes: {}
   btreemap_v2_insert_vec_128_128:
     total:
       calls: 1
-      instructions: 1019077984
+      instructions: 1019188814
       heap_increase: 0
       stable_memory_increase: 51
     scopes: {}
   btreemap_v2_insert_vec_16_128:
     total:
       calls: 1
-      instructions: 715389494
+      instructions: 715742607
       heap_increase: 0
       stable_memory_increase: 31
     scopes: {}
   btreemap_v2_insert_vec_256_128:
     total:
       calls: 1
-      instructions: 1409623299
+      instructions: 1409672134
       heap_increase: 0
       stable_memory_increase: 71
     scopes: {}
   btreemap_v2_insert_vec_32_1024:
     total:
       calls: 1
-      instructions: 1184846255
+      instructions: 1185051993
       heap_increase: 0
       stable_memory_increase: 171
     scopes: {}
   btreemap_v2_insert_vec_32_128:
     total:
       calls: 1
-      instructions: 762489690
+      instructions: 762785908
       heap_increase: 0
       stable_memory_increase: 33
     scopes: {}
   btreemap_v2_insert_vec_32_16:
     total:
       calls: 1
-      instructions: 672434593
+      instructions: 672793258
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_256:
     total:
       calls: 1
-      instructions: 875767829
+      instructions: 876010194
       heap_increase: 0
       stable_memory_increase: 54
     scopes: {}
   btreemap_v2_insert_vec_32_32:
     total:
       calls: 1
-      instructions: 667852438
+      instructions: 668208842
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_4:
     total:
       calls: 1
-      instructions: 666585797
+      instructions: 666953259
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_512:
     total:
       calls: 1
-      instructions: 981227964
+      instructions: 981444350
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_vec_32_64:
     total:
       calls: 1
-      instructions: 699860935
+      instructions: 700207557
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_vec_32_8:
     total:
       calls: 1
-      instructions: 666186058
+      instructions: 666563784
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_4_128:
     total:
       calls: 1
-      instructions: 610313639
+      instructions: 610570774
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_512_128:
     total:
       calls: 1
-      instructions: 1866701192
+      instructions: 1866703872
       heap_increase: 0
       stable_memory_increase: 112
     scopes: {}
   btreemap_v2_insert_vec_64_128:
     total:
       calls: 1
-      instructions: 853518752
+      instructions: 853778786
       heap_increase: 0
       stable_memory_increase: 41
     scopes: {}
   btreemap_v2_insert_vec_8_128:
     total:
       calls: 1
-      instructions: 672363716
+      instructions: 672741093
       heap_increase: 0
       stable_memory_increase: 23
     scopes: {}
@@ -912,616 +912,616 @@ benches:
   btreemap_v2_mem_manager_insert_blob512_u64:
     total:
       calls: 1
-      instructions: 3144794685
+      instructions: 3142387407
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_blob512:
     total:
       calls: 1
-      instructions: 629203086
+      instructions: 626768477
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_u64:
     total:
       calls: 1
-      instructions: 542091058
+      instructions: 539696894
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_vec512:
     total:
       calls: 1
-      instructions: 854848972
+      instructions: 852426150
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_vec512_u64:
     total:
       calls: 1
-      instructions: 1986718151
+      instructions: 1984375574
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_blob512_u64:
     total:
       calls: 1
-      instructions: 4345568982
+      instructions: 4331197738
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_blob512:
     total:
       calls: 1
-      instructions: 918003096
+      instructions: 904031998
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_u64:
     total:
       calls: 1
-      instructions: 774990832
+      instructions: 761001525
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_vec512:
     total:
       calls: 1
-      instructions: 1255009601
+      instructions: 1240826722
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_vec512_u64:
     total:
       calls: 1
-      instructions: 3120364334
+      instructions: 3106079124
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob8_u64:
     total:
       calls: 1
-      instructions: 616238247
+      instructions: 615150742
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_1024_128:
     total:
       calls: 1
-      instructions: 8405110087
+      instructions: 8403634497
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_128_128:
     total:
       calls: 1
-      instructions: 1844858965
+      instructions: 1843435106
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_16_128:
     total:
       calls: 1
-      instructions: 757881564
+      instructions: 756656365
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_256_128:
     total:
       calls: 1
-      instructions: 2781828963
+      instructions: 2780352003
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_1024:
     total:
       calls: 1
-      instructions: 1134938499
+      instructions: 1133806427
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_128:
     total:
       calls: 1
-      instructions: 879223283
+      instructions: 877856976
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_16:
     total:
       calls: 1
-      instructions: 814041416
+      instructions: 812668346
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_256:
     total:
       calls: 1
-      instructions: 907574274
+      instructions: 906285069
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_32:
     total:
       calls: 1
-      instructions: 827900605
+      instructions: 826519430
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_4:
     total:
       calls: 1
-      instructions: 796941422
+      instructions: 795565187
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_512:
     total:
       calls: 1
-      instructions: 971972894
+      instructions: 970814136
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_64:
     total:
       calls: 1
-      instructions: 837291844
+      instructions: 835924270
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_8:
     total:
       calls: 1
-      instructions: 815516687
+      instructions: 814075494
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_4_128:
     total:
       calls: 1
-      instructions: 380325038
+      instructions: 379617394
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_512_128:
     total:
       calls: 1
-      instructions: 4630749005
+      instructions: 4629293931
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_64_128:
     total:
       calls: 1
-      instructions: 1049152344
+      instructions: 1047738748
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_8_128:
     total:
       calls: 1
-      instructions: 619885081
+      instructions: 618836895
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_blob8:
     total:
       calls: 1
-      instructions: 690529296
+      instructions: 688640542
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_u64:
     total:
       calls: 1
-      instructions: 702491834
+      instructions: 700564053
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_vec8:
     total:
       calls: 1
-      instructions: 692986646
+      instructions: 691116630
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec8_u64:
     total:
       calls: 1
-      instructions: 798617904
+      instructions: 797609506
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_1024_128:
     total:
       calls: 1
-      instructions: 4057872681
+      instructions: 4055878276
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_128_128:
     total:
       calls: 1
-      instructions: 1521654350
+      instructions: 1519572319
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_16_128:
     total:
       calls: 1
-      instructions: 1043515356
+      instructions: 1042183173
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_256_128:
     total:
       calls: 1
-      instructions: 2034262071
+      instructions: 2032134358
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_1024:
     total:
       calls: 1
-      instructions: 1701398314
+      instructions: 1699689276
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_128:
     total:
       calls: 1
-      instructions: 1107501642
+      instructions: 1105990381
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_16:
     total:
       calls: 1
-      instructions: 951292559
+      instructions: 949942050
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_256:
     total:
       calls: 1
-      instructions: 1233366808
+      instructions: 1231767185
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_32:
     total:
       calls: 1
-      instructions: 947441160
+      instructions: 946052879
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_4:
     total:
       calls: 1
-      instructions: 939706528
+      instructions: 938382913
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_512:
     total:
       calls: 1
-      instructions: 1386851000
+      instructions: 1385193175
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_64:
     total:
       calls: 1
-      instructions: 989555075
+      instructions: 988205733
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_8:
     total:
       calls: 1
-      instructions: 950622210
+      instructions: 949241516
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_4_128:
     total:
       calls: 1
-      instructions: 549240041
+      instructions: 548483362
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_512_128:
     total:
       calls: 1
-      instructions: 2728108664
+      instructions: 2726096811
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_64_128:
     total:
       calls: 1
-      instructions: 1250341210
+      instructions: 1249245745
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_8_128:
     total:
       calls: 1
-      instructions: 864263442
+      instructions: 863132044
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob8_u64:
     total:
       calls: 1
-      instructions: 594554793
+      instructions: 593277600
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_1024_128:
     total:
       calls: 1
-      instructions: 8072257193
+      instructions: 8070745153
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_128_128:
     total:
       calls: 1
-      instructions: 1774896013
+      instructions: 1773247410
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_16_128:
     total:
       calls: 1
-      instructions: 731594742
+      instructions: 730407189
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_256_128:
     total:
       calls: 1
-      instructions: 2687630971
+      instructions: 2686163385
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_1024:
     total:
       calls: 1
-      instructions: 1099225896
+      instructions: 1098025466
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_128:
     total:
       calls: 1
-      instructions: 844420849
+      instructions: 843065675
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_16:
     total:
       calls: 1
-      instructions: 787834096
+      instructions: 786460287
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_256:
     total:
       calls: 1
-      instructions: 876725357
+      instructions: 875516712
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_32:
     total:
       calls: 1
-      instructions: 796749863
+      instructions: 795297789
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_4:
     total:
       calls: 1
-      instructions: 774786952
+      instructions: 773354517
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_512:
     total:
       calls: 1
-      instructions: 946668648
+      instructions: 945505759
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_64:
     total:
       calls: 1
-      instructions: 811690345
+      instructions: 809981351
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_8:
     total:
       calls: 1
-      instructions: 788744407
+      instructions: 787292673
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_4_128:
     total:
       calls: 1
-      instructions: 366302758
+      instructions: 365676063
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_512_128:
     total:
       calls: 1
-      instructions: 4462199327
+      instructions: 4460733214
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_64_128:
     total:
       calls: 1
-      instructions: 1017338731
+      instructions: 1015877270
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_8_128:
     total:
       calls: 1
-      instructions: 614030859
+      instructions: 612991481
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_blob8:
     total:
       calls: 1
-      instructions: 669071901
+      instructions: 667043727
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_u64:
     total:
       calls: 1
-      instructions: 680477690
+      instructions: 678202958
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_vec8:
     total:
       calls: 1
-      instructions: 671365878
+      instructions: 669208495
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec8_u64:
     total:
       calls: 1
-      instructions: 772952168
+      instructions: 771655354
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_1024_128:
     total:
       calls: 1
-      instructions: 4275574167
+      instructions: 4273418696
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_128_128:
     total:
       calls: 1
-      instructions: 1527066617
+      instructions: 1525557878
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_16_128:
     total:
       calls: 1
-      instructions: 1024295131
+      instructions: 1023826007
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_256_128:
     total:
       calls: 1
-      instructions: 2094936306
+      instructions: 2092965242
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_1024:
     total:
       calls: 1
-      instructions: 1675615913
+      instructions: 1673926687
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_128:
     total:
       calls: 1
-      instructions: 1082344052
+      instructions: 1080783822
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_16:
     total:
       calls: 1
-      instructions: 923918138
+      instructions: 922562309
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_256:
     total:
       calls: 1
-      instructions: 1209132451
+      instructions: 1207543304
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_32:
     total:
       calls: 1
-      instructions: 924508518
+      instructions: 923165938
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_4:
     total:
       calls: 1
-      instructions: 920126340
+      instructions: 918701441
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_512:
     total:
       calls: 1
-      instructions: 1371246157
+      instructions: 1369613721
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_64:
     total:
       calls: 1
-      instructions: 968124641
+      instructions: 966732423
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_8:
     total:
       calls: 1
-      instructions: 923710585
+      instructions: 922278443
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_4_128:
     total:
       calls: 1
-      instructions: 534813424
+      instructions: 534487128
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_512_128:
     total:
       calls: 1
-      instructions: 2827556556
+      instructions: 2825389554
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_64_128:
     total:
       calls: 1
-      instructions: 1238370730
+      instructions: 1237299210
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_8_128:
     total:
       calls: 1
-      instructions: 863963180
+      instructions: 863461986
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1591,280 +1591,280 @@ benches:
   btreemap_v2_remove_10mib_values:
     total:
       calls: 1
-      instructions: 4711113268
+      instructions: 4711735995
       heap_increase: 0
       stable_memory_increase: 657
     scopes: {}
   btreemap_v2_remove_blob8_u64:
     total:
       calls: 1
-      instructions: 595034392
+      instructions: 591785555
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_1024_128:
     total:
       calls: 1
-      instructions: 7376821978
+      instructions: 7373203667
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_128_128:
     total:
       calls: 1
-      instructions: 1604578706
+      instructions: 1600952897
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_16_128:
     total:
       calls: 1
-      instructions: 677519725
+      instructions: 674009020
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_256_128:
     total:
       calls: 1
-      instructions: 2435285200
+      instructions: 2431565850
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_1024:
     total:
       calls: 1
-      instructions: 995853257
+      instructions: 992579951
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 760229442
+      instructions: 756731407
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_16:
     total:
       calls: 1
-      instructions: 714008050
+      instructions: 710551235
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_256:
     total:
       calls: 1
-      instructions: 796606463
+      instructions: 793292740
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_32:
     total:
       calls: 1
-      instructions: 724749939
+      instructions: 721319352
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_4:
     total:
       calls: 1
-      instructions: 709873769
+      instructions: 706344426
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_512:
     total:
       calls: 1
-      instructions: 869263095
+      instructions: 865962367
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_64:
     total:
       calls: 1
-      instructions: 751349928
+      instructions: 747463803
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_8:
     total:
       calls: 1
-      instructions: 709570833
+      instructions: 706176932
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_4_128:
     total:
       calls: 1
-      instructions: 462808100
+      instructions: 460706030
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_512_128:
     total:
       calls: 1
-      instructions: 4084598119
+      instructions: 4081032904
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_64_128:
     total:
       calls: 1
-      instructions: 923149106
+      instructions: 919883468
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_8_128:
     total:
       calls: 1
-      instructions: 612305700
+      instructions: 609042863
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_blob8:
     total:
       calls: 1
-      instructions: 580203408
+      instructions: 576195670
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_u64:
     total:
       calls: 1
-      instructions: 601677776
+      instructions: 597474145
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_vec8:
     total:
       calls: 1
-      instructions: 585690492
+      instructions: 581726663
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec8_u64:
     total:
       calls: 1
-      instructions: 766743041
+      instructions: 763356869
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_1024_128:
     total:
       calls: 1
-      instructions: 4485750849
+      instructions: 4481526874
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_128_128:
     total:
       calls: 1
-      instructions: 1439981932
+      instructions: 1437414275
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_16_128:
     total:
       calls: 1
-      instructions: 928725401
+      instructions: 926591381
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_256_128:
     total:
       calls: 1
-      instructions: 2252781634
+      instructions: 2248975006
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_1024:
     total:
       calls: 1
-      instructions: 1711074495
+      instructions: 1705568135
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_128:
     total:
       calls: 1
-      instructions: 1043061815
+      instructions: 1040040227
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_16:
     total:
       calls: 1
-      instructions: 884024105
+      instructions: 880448537
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_256:
     total:
       calls: 1
-      instructions: 1256982415
+      instructions: 1255308269
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_32:
     total:
       calls: 1
-      instructions: 877261732
+      instructions: 873841242
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_4:
     total:
       calls: 1
-      instructions: 874057069
+      instructions: 870470559
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_512:
     total:
       calls: 1
-      instructions: 1418307126
+      instructions: 1414545409
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_64:
     total:
       calls: 1
-      instructions: 980864089
+      instructions: 976825655
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_8:
     total:
       calls: 1
-      instructions: 867955409
+      instructions: 864521295
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_4_128:
     total:
       calls: 1
-      instructions: 669260985
+      instructions: 670465586
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_512_128:
     total:
       calls: 1
-      instructions: 3091546912
+      instructions: 3084621039
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_64_128:
     total:
       calls: 1
-      instructions: 1199764677
+      instructions: 1196853356
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_8_128:
     total:
       calls: 1
-      instructions: 832345144
+      instructions: 832182265
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/btreeset/canbench_results.yml b/benchmarks/btreeset/canbench_results.yml
index a545593b..54008d7b 100644
--- a/benchmarks/btreeset/canbench_results.yml
+++ b/benchmarks/btreeset/canbench_results.yml
@@ -2,70 +2,70 @@ benches:
   btreeset_insert_blob_1024:
     total:
       calls: 1
-      instructions: 7297615291
+      instructions: 7291337249
       heap_increase: 1
       stable_memory_increase: 256
     scopes: {}
   btreeset_insert_blob_128:
     total:
       calls: 1
-      instructions: 1666440141
+      instructions: 1662562496
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_16:
     total:
       calls: 1
-      instructions: 745165513
+      instructions: 741222152
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_256:
     total:
       calls: 1
-      instructions: 2477974010
+      instructions: 2471956495
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_32:
     total:
       calls: 1
-      instructions: 844209596
+      instructions: 840348868
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_512:
     total:
       calls: 1
-      instructions: 4082105191
+      instructions: 4075803227
       heap_increase: 0
       stable_memory_increase: 128
     scopes: {}
   btreeset_insert_blob_64:
     total:
       calls: 1
-      instructions: 1008193748
+      instructions: 1004316588
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_8:
     total:
       calls: 1
-      instructions: 722754664
+      instructions: 718594244
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u32:
     total:
       calls: 1
-      instructions: 569721493
+      instructions: 565533971
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u64:
     total:
       calls: 1
-      instructions: 589197609
+      instructions: 585065002
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -415,14 +415,14 @@ benches:
   btreeset_iter_u64:
     total:
       calls: 1
-      instructions: 12114509
+      instructions: 12114524
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_1024:
     total:
       calls: 1
-      instructions: 261034835
+      instructions: 261034820
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -443,7 +443,7 @@ benches:
   btreeset_range_blob_256:
     total:
       calls: 1
-      instructions: 77610021
+      instructions: 77610006
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -457,7 +457,7 @@ benches:
   btreeset_range_blob_512:
     total:
       calls: 1
-      instructions: 138753491
+      instructions: 138753476
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -485,77 +485,77 @@ benches:
   btreeset_range_u64:
     total:
       calls: 1
-      instructions: 7424231
+      instructions: 7424246
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_1024:
     total:
       calls: 1
-      instructions: 7753750149
+      instructions: 7750191745
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_128:
     total:
       calls: 1
-      instructions: 1698240802
+      instructions: 1694618223
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_16:
     total:
       calls: 1
-      instructions: 737512849
+      instructions: 733942391
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_256:
     total:
       calls: 1
-      instructions: 2565521131
+      instructions: 2562026795
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_32:
     total:
       calls: 1
-      instructions: 834021583
+      instructions: 830421878
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_512:
     total:
       calls: 1
-      instructions: 4292463991
+      instructions: 4288905587
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_64:
     total:
       calls: 1
-      instructions: 1017174993
+      instructions: 1013554195
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_8:
     total:
       calls: 1
-      instructions: 715189550
+      instructions: 711917058
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u32:
     total:
       calls: 1
-      instructions: 560428257
+      instructions: 557015167
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u64:
     total:
       calls: 1
-      instructions: 584266713
+      instructions: 580964315
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/compare/canbench_results.yml b/benchmarks/compare/canbench_results.yml
index 4540db8c..7b14097b 100644
--- a/benchmarks/compare/canbench_results.yml
+++ b/benchmarks/compare/canbench_results.yml
@@ -65,21 +65,21 @@ benches:
   write_chunks_btreemap_1:
     total:
       calls: 1
-      instructions: 357205117
+      instructions: 357205122
       heap_increase: 13
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1k:
     total:
       calls: 1
-      instructions: 4188695663
+      instructions: 4188346650
       heap_increase: 2
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1m:
     total:
       calls: 1
-      instructions: 88827798790
+      instructions: 88440185344
       heap_increase: 0
       stable_memory_increase: 3072
     scopes: {}
diff --git a/src/btreemap/node/v2.rs b/src/btreemap/node/v2.rs
index da24e1f5..5e32a253 100644
--- a/src/btreemap/node/v2.rs
+++ b/src/btreemap/node/v2.rs
@@ -245,9 +245,21 @@ impl<K: Storable + Ord + Clone> Node<K> {
         offset += Bytes::from(8u64);
 
         // Write the children
-        for child in self.children.iter() {
-            writer.write_u64(offset, child.get());
-            offset += Address::size();
+        if self.children.len() <= 4 {
+            // For small counts, use individual writes to avoid allocation overhead
+            for child in self.children.iter() {
+                writer.write_u64(offset, child.get());
+                offset += Address::size();
+            }
+        } else {
+            // For larger counts, use batch write for better performance
+            let bytes: Vec<_> = self
+                .children
+                .iter()
+                .flat_map(|c| c.get().to_le_bytes())
+                .collect();
+            writer.write(offset, bytes.as_slice());
+            offset += Bytes::from(self.children.len()) * Address::size();
         }
 
         // Write the keys.

From bf258aec5e035d0fe92287e4677b2c337e3987ca Mon Sep 17 00:00:00 2001
From: Maksym Arutyunyan <maksym.arutyunyan@dfinity.org>
Date: Tue, 8 Jul 2025 11:20:30 +0200
Subject: [PATCH 2/4] baseline

---
 benchmarks/btreemap/canbench_results.yml | 336 +++++++++++------------
 benchmarks/btreeset/canbench_results.yml |  50 ++--
 benchmarks/compare/canbench_results.yml  |   6 +-
 src/btreemap/node/v2.rs                  |  31 ++-
 4 files changed, 212 insertions(+), 211 deletions(-)

diff --git a/benchmarks/btreemap/canbench_results.yml b/benchmarks/btreemap/canbench_results.yml
index 11cde387..0409f7b6 100644
--- a/benchmarks/btreemap/canbench_results.yml
+++ b/benchmarks/btreemap/canbench_results.yml
@@ -562,280 +562,280 @@ benches:
   btreemap_v2_insert_10mib_values:
     total:
       calls: 1
-      instructions: 4389915017
+      instructions: 4388588543
       heap_increase: 161
       stable_memory_increase: 3613
     scopes: {}
   btreemap_v2_insert_blob8_u64:
     total:
       calls: 1
-      instructions: 444129282
+      instructions: 443775952
       heap_increase: 0
       stable_memory_increase: 4
     scopes: {}
   btreemap_v2_insert_blob_1024_128:
     total:
       calls: 1
-      instructions: 5499371336
+      instructions: 5499071874
       heap_increase: 0
       stable_memory_increase: 196
     scopes: {}
   btreemap_v2_insert_blob_128_128:
     total:
       calls: 1
-      instructions: 1188460992
+      instructions: 1188107343
       heap_increase: 0
       stable_memory_increase: 46
     scopes: {}
   btreemap_v2_insert_blob_16_128:
     total:
       calls: 1
-      instructions: 494676358
+      instructions: 494269553
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_blob_256_128:
     total:
       calls: 1
-      instructions: 1795801466
+      instructions: 1795455828
       heap_increase: 0
       stable_memory_increase: 67
     scopes: {}
   btreemap_v2_insert_blob_32_1024:
     total:
       calls: 1
-      instructions: 710779830
+      instructions: 710401042
       heap_increase: 0
       stable_memory_increase: 173
     scopes: {}
   btreemap_v2_insert_blob_32_128:
     total:
       calls: 1
-      instructions: 550882714
+      instructions: 550494414
       heap_increase: 0
       stable_memory_increase: 28
     scopes: {}
   btreemap_v2_insert_blob_32_16:
     total:
       calls: 1
-      instructions: 525776820
+      instructions: 525418870
       heap_increase: 0
       stable_memory_increase: 11
     scopes: {}
   btreemap_v2_insert_blob_32_256:
     total:
       calls: 1
-      instructions: 579478626
+      instructions: 579088493
       heap_increase: 0
       stable_memory_increase: 49
     scopes: {}
   btreemap_v2_insert_blob_32_32:
     total:
       calls: 1
-      instructions: 535830890
+      instructions: 535473021
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_32_4:
     total:
       calls: 1
-      instructions: 516190407
+      instructions: 515820373
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_blob_32_512:
     total:
       calls: 1
-      instructions: 618327357
+      instructions: 617940529
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_blob_32_64:
     total:
       calls: 1
-      instructions: 542017773
+      instructions: 541647936
       heap_increase: 0
       stable_memory_increase: 18
     scopes: {}
   btreemap_v2_insert_blob_32_8:
     total:
       calls: 1
-      instructions: 524527158
+      instructions: 524149607
       heap_increase: 0
       stable_memory_increase: 9
     scopes: {}
   btreemap_v2_insert_blob_4_128:
     total:
       calls: 1
-      instructions: 415784079
+      instructions: 415487066
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_512_128:
     total:
       calls: 1
-      instructions: 3046734113
+      instructions: 3046420165
       heap_increase: 0
       stable_memory_increase: 111
     scopes: {}
   btreemap_v2_insert_blob_64_128:
     total:
       calls: 1
-      instructions: 669147415
+      instructions: 668768098
       heap_increase: 0
       stable_memory_increase: 34
     scopes: {}
   btreemap_v2_insert_blob_8_128:
     total:
       calls: 1
-      instructions: 467181112
+      instructions: 466758920
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_u64_blob8:
     total:
       calls: 1
-      instructions: 413451513
+      instructions: 413423115
       heap_increase: 0
       stable_memory_increase: 5
     scopes: {}
   btreemap_v2_insert_u64_u64:
     total:
       calls: 1
-      instructions: 421177896
+      instructions: 421162309
       heap_increase: 0
       stable_memory_increase: 6
     scopes: {}
   btreemap_v2_insert_u64_vec8:
     total:
       calls: 1
-      instructions: 416676862
+      instructions: 416642967
       heap_increase: 0
       stable_memory_increase: 21
     scopes: {}
   btreemap_v2_insert_vec8_u64:
     total:
       calls: 1
-      instructions: 600505951
+      instructions: 600143709
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_1024_128:
     total:
       calls: 1
-      instructions: 2752132829
+      instructions: 2752109976
       heap_increase: 0
       stable_memory_increase: 193
     scopes: {}
   btreemap_v2_insert_vec_128_128:
     total:
       calls: 1
-      instructions: 1019188814
+      instructions: 1019077984
       heap_increase: 0
       stable_memory_increase: 51
     scopes: {}
   btreemap_v2_insert_vec_16_128:
     total:
       calls: 1
-      instructions: 715742607
+      instructions: 715389494
       heap_increase: 0
       stable_memory_increase: 31
     scopes: {}
   btreemap_v2_insert_vec_256_128:
     total:
       calls: 1
-      instructions: 1409672134
+      instructions: 1409623299
       heap_increase: 0
       stable_memory_increase: 71
     scopes: {}
   btreemap_v2_insert_vec_32_1024:
     total:
       calls: 1
-      instructions: 1185051993
+      instructions: 1184846255
       heap_increase: 0
       stable_memory_increase: 171
     scopes: {}
   btreemap_v2_insert_vec_32_128:
     total:
       calls: 1
-      instructions: 762785908
+      instructions: 762489690
       heap_increase: 0
       stable_memory_increase: 33
     scopes: {}
   btreemap_v2_insert_vec_32_16:
     total:
       calls: 1
-      instructions: 672793258
+      instructions: 672434593
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_256:
     total:
       calls: 1
-      instructions: 876010194
+      instructions: 875767829
       heap_increase: 0
       stable_memory_increase: 54
     scopes: {}
   btreemap_v2_insert_vec_32_32:
     total:
       calls: 1
-      instructions: 668208842
+      instructions: 667852438
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_4:
     total:
       calls: 1
-      instructions: 666953259
+      instructions: 666585797
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_512:
     total:
       calls: 1
-      instructions: 981444350
+      instructions: 981227964
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_vec_32_64:
     total:
       calls: 1
-      instructions: 700207557
+      instructions: 699860935
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_vec_32_8:
     total:
       calls: 1
-      instructions: 666563784
+      instructions: 666186058
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_4_128:
     total:
       calls: 1
-      instructions: 610570774
+      instructions: 610313639
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_512_128:
     total:
       calls: 1
-      instructions: 1866703872
+      instructions: 1866701192
       heap_increase: 0
       stable_memory_increase: 112
     scopes: {}
   btreemap_v2_insert_vec_64_128:
     total:
       calls: 1
-      instructions: 853778786
+      instructions: 853518752
       heap_increase: 0
       stable_memory_increase: 41
     scopes: {}
   btreemap_v2_insert_vec_8_128:
     total:
       calls: 1
-      instructions: 672741093
+      instructions: 672363716
       heap_increase: 0
       stable_memory_increase: 23
     scopes: {}
@@ -912,616 +912,616 @@ benches:
   btreemap_v2_mem_manager_insert_blob512_u64:
     total:
       calls: 1
-      instructions: 3142387407
+      instructions: 3144794685
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_blob512:
     total:
       calls: 1
-      instructions: 626768477
+      instructions: 629203086
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_u64:
     total:
       calls: 1
-      instructions: 539696894
+      instructions: 542091058
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_vec512:
     total:
       calls: 1
-      instructions: 852426150
+      instructions: 854848972
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_vec512_u64:
     total:
       calls: 1
-      instructions: 1984375574
+      instructions: 1986718151
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_blob512_u64:
     total:
       calls: 1
-      instructions: 4331197738
+      instructions: 4345568982
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_blob512:
     total:
       calls: 1
-      instructions: 904031998
+      instructions: 918003096
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_u64:
     total:
       calls: 1
-      instructions: 761001525
+      instructions: 774990832
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_vec512:
     total:
       calls: 1
-      instructions: 1240826722
+      instructions: 1255009601
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_vec512_u64:
     total:
       calls: 1
-      instructions: 3106079124
+      instructions: 3120364334
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob8_u64:
     total:
       calls: 1
-      instructions: 615150742
+      instructions: 616238247
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_1024_128:
     total:
       calls: 1
-      instructions: 8403634497
+      instructions: 8405110087
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_128_128:
     total:
       calls: 1
-      instructions: 1843435106
+      instructions: 1844858965
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_16_128:
     total:
       calls: 1
-      instructions: 756656365
+      instructions: 757881564
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_256_128:
     total:
       calls: 1
-      instructions: 2780352003
+      instructions: 2781828963
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_1024:
     total:
       calls: 1
-      instructions: 1133806427
+      instructions: 1134938499
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_128:
     total:
       calls: 1
-      instructions: 877856976
+      instructions: 879223283
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_16:
     total:
       calls: 1
-      instructions: 812668346
+      instructions: 814041416
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_256:
     total:
       calls: 1
-      instructions: 906285069
+      instructions: 907574274
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_32:
     total:
       calls: 1
-      instructions: 826519430
+      instructions: 827900605
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_4:
     total:
       calls: 1
-      instructions: 795565187
+      instructions: 796941422
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_512:
     total:
       calls: 1
-      instructions: 970814136
+      instructions: 971972894
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_64:
     total:
       calls: 1
-      instructions: 835924270
+      instructions: 837291844
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_8:
     total:
       calls: 1
-      instructions: 814075494
+      instructions: 815516687
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_4_128:
     total:
       calls: 1
-      instructions: 379617394
+      instructions: 380325038
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_512_128:
     total:
       calls: 1
-      instructions: 4629293931
+      instructions: 4630749005
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_64_128:
     total:
       calls: 1
-      instructions: 1047738748
+      instructions: 1049152344
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_8_128:
     total:
       calls: 1
-      instructions: 618836895
+      instructions: 619885081
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_blob8:
     total:
       calls: 1
-      instructions: 688640542
+      instructions: 690529296
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_u64:
     total:
       calls: 1
-      instructions: 700564053
+      instructions: 702491834
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_vec8:
     total:
       calls: 1
-      instructions: 691116630
+      instructions: 692986646
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec8_u64:
     total:
       calls: 1
-      instructions: 797609506
+      instructions: 798617904
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_1024_128:
     total:
       calls: 1
-      instructions: 4055878276
+      instructions: 4057872681
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_128_128:
     total:
       calls: 1
-      instructions: 1519572319
+      instructions: 1521654350
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_16_128:
     total:
       calls: 1
-      instructions: 1042183173
+      instructions: 1043515356
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_256_128:
     total:
       calls: 1
-      instructions: 2032134358
+      instructions: 2034262071
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_1024:
     total:
       calls: 1
-      instructions: 1699689276
+      instructions: 1701398314
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_128:
     total:
       calls: 1
-      instructions: 1105990381
+      instructions: 1107501642
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_16:
     total:
       calls: 1
-      instructions: 949942050
+      instructions: 951292559
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_256:
     total:
       calls: 1
-      instructions: 1231767185
+      instructions: 1233366808
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_32:
     total:
       calls: 1
-      instructions: 946052879
+      instructions: 947441160
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_4:
     total:
       calls: 1
-      instructions: 938382913
+      instructions: 939706528
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_512:
     total:
       calls: 1
-      instructions: 1385193175
+      instructions: 1386851000
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_64:
     total:
       calls: 1
-      instructions: 988205733
+      instructions: 989555075
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_8:
     total:
       calls: 1
-      instructions: 949241516
+      instructions: 950622210
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_4_128:
     total:
       calls: 1
-      instructions: 548483362
+      instructions: 549240041
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_512_128:
     total:
       calls: 1
-      instructions: 2726096811
+      instructions: 2728108664
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_64_128:
     total:
       calls: 1
-      instructions: 1249245745
+      instructions: 1250341210
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_8_128:
     total:
       calls: 1
-      instructions: 863132044
+      instructions: 864263442
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob8_u64:
     total:
       calls: 1
-      instructions: 593277600
+      instructions: 594554793
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_1024_128:
     total:
       calls: 1
-      instructions: 8070745153
+      instructions: 8072257193
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_128_128:
     total:
       calls: 1
-      instructions: 1773247410
+      instructions: 1774896013
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_16_128:
     total:
       calls: 1
-      instructions: 730407189
+      instructions: 731594742
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_256_128:
     total:
       calls: 1
-      instructions: 2686163385
+      instructions: 2687630971
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_1024:
     total:
       calls: 1
-      instructions: 1098025466
+      instructions: 1099225896
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_128:
     total:
       calls: 1
-      instructions: 843065675
+      instructions: 844420849
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_16:
     total:
       calls: 1
-      instructions: 786460287
+      instructions: 787834096
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_256:
     total:
       calls: 1
-      instructions: 875516712
+      instructions: 876725357
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_32:
     total:
       calls: 1
-      instructions: 795297789
+      instructions: 796749863
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_4:
     total:
       calls: 1
-      instructions: 773354517
+      instructions: 774786952
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_512:
     total:
       calls: 1
-      instructions: 945505759
+      instructions: 946668648
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_64:
     total:
       calls: 1
-      instructions: 809981351
+      instructions: 811690345
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_8:
     total:
       calls: 1
-      instructions: 787292673
+      instructions: 788744407
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_4_128:
     total:
       calls: 1
-      instructions: 365676063
+      instructions: 366302758
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_512_128:
     total:
       calls: 1
-      instructions: 4460733214
+      instructions: 4462199327
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_64_128:
     total:
       calls: 1
-      instructions: 1015877270
+      instructions: 1017338731
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_8_128:
     total:
       calls: 1
-      instructions: 612991481
+      instructions: 614030859
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_blob8:
     total:
       calls: 1
-      instructions: 667043727
+      instructions: 669071901
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_u64:
     total:
       calls: 1
-      instructions: 678202958
+      instructions: 680477690
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_vec8:
     total:
       calls: 1
-      instructions: 669208495
+      instructions: 671365878
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec8_u64:
     total:
       calls: 1
-      instructions: 771655354
+      instructions: 772952168
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_1024_128:
     total:
       calls: 1
-      instructions: 4273418696
+      instructions: 4275574167
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_128_128:
     total:
       calls: 1
-      instructions: 1525557878
+      instructions: 1527066617
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_16_128:
     total:
       calls: 1
-      instructions: 1023826007
+      instructions: 1024295131
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_256_128:
     total:
       calls: 1
-      instructions: 2092965242
+      instructions: 2094936306
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_1024:
     total:
       calls: 1
-      instructions: 1673926687
+      instructions: 1675615913
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_128:
     total:
       calls: 1
-      instructions: 1080783822
+      instructions: 1082344052
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_16:
     total:
       calls: 1
-      instructions: 922562309
+      instructions: 923918138
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_256:
     total:
       calls: 1
-      instructions: 1207543304
+      instructions: 1209132451
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_32:
     total:
       calls: 1
-      instructions: 923165938
+      instructions: 924508518
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_4:
     total:
       calls: 1
-      instructions: 918701441
+      instructions: 920126340
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_512:
     total:
       calls: 1
-      instructions: 1369613721
+      instructions: 1371246157
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_64:
     total:
       calls: 1
-      instructions: 966732423
+      instructions: 968124641
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_8:
     total:
       calls: 1
-      instructions: 922278443
+      instructions: 923710585
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_4_128:
     total:
       calls: 1
-      instructions: 534487128
+      instructions: 534813424
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_512_128:
     total:
       calls: 1
-      instructions: 2825389554
+      instructions: 2827556556
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_64_128:
     total:
       calls: 1
-      instructions: 1237299210
+      instructions: 1238370730
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_8_128:
     total:
       calls: 1
-      instructions: 863461986
+      instructions: 863963180
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1591,280 +1591,280 @@ benches:
   btreemap_v2_remove_10mib_values:
     total:
       calls: 1
-      instructions: 4711735995
+      instructions: 4711113268
       heap_increase: 0
       stable_memory_increase: 657
     scopes: {}
   btreemap_v2_remove_blob8_u64:
     total:
       calls: 1
-      instructions: 591785555
+      instructions: 595034392
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_1024_128:
     total:
       calls: 1
-      instructions: 7373203667
+      instructions: 7376821978
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_128_128:
     total:
       calls: 1
-      instructions: 1600952897
+      instructions: 1604578706
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_16_128:
     total:
       calls: 1
-      instructions: 674009020
+      instructions: 677519725
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_256_128:
     total:
       calls: 1
-      instructions: 2431565850
+      instructions: 2435285200
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_1024:
     total:
       calls: 1
-      instructions: 992579951
+      instructions: 995853257
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 756731407
+      instructions: 760229442
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_16:
     total:
       calls: 1
-      instructions: 710551235
+      instructions: 714008050
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_256:
     total:
       calls: 1
-      instructions: 793292740
+      instructions: 796606463
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_32:
     total:
       calls: 1
-      instructions: 721319352
+      instructions: 724749939
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_4:
     total:
       calls: 1
-      instructions: 706344426
+      instructions: 709873769
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_512:
     total:
       calls: 1
-      instructions: 865962367
+      instructions: 869263095
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_64:
     total:
       calls: 1
-      instructions: 747463803
+      instructions: 751349928
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_8:
     total:
       calls: 1
-      instructions: 706176932
+      instructions: 709570833
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_4_128:
     total:
       calls: 1
-      instructions: 460706030
+      instructions: 462808100
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_512_128:
     total:
       calls: 1
-      instructions: 4081032904
+      instructions: 4084598119
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_64_128:
     total:
       calls: 1
-      instructions: 919883468
+      instructions: 923149106
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_8_128:
     total:
       calls: 1
-      instructions: 609042863
+      instructions: 612305700
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_blob8:
     total:
       calls: 1
-      instructions: 576195670
+      instructions: 580203408
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_u64:
     total:
       calls: 1
-      instructions: 597474145
+      instructions: 601677776
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_vec8:
     total:
       calls: 1
-      instructions: 581726663
+      instructions: 585690492
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec8_u64:
     total:
       calls: 1
-      instructions: 763356869
+      instructions: 766743041
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_1024_128:
     total:
       calls: 1
-      instructions: 4481526874
+      instructions: 4485750849
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_128_128:
     total:
       calls: 1
-      instructions: 1437414275
+      instructions: 1439981932
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_16_128:
     total:
       calls: 1
-      instructions: 926591381
+      instructions: 928725401
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_256_128:
     total:
       calls: 1
-      instructions: 2248975006
+      instructions: 2252781634
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_1024:
     total:
       calls: 1
-      instructions: 1705568135
+      instructions: 1711074495
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_128:
     total:
       calls: 1
-      instructions: 1040040227
+      instructions: 1043061815
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_16:
     total:
       calls: 1
-      instructions: 880448537
+      instructions: 884024105
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_256:
     total:
       calls: 1
-      instructions: 1255308269
+      instructions: 1256982415
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_32:
     total:
       calls: 1
-      instructions: 873841242
+      instructions: 877261732
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_4:
     total:
       calls: 1
-      instructions: 870470559
+      instructions: 874057069
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_512:
     total:
       calls: 1
-      instructions: 1414545409
+      instructions: 1418307126
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_64:
     total:
       calls: 1
-      instructions: 976825655
+      instructions: 980864089
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_8:
     total:
       calls: 1
-      instructions: 864521295
+      instructions: 867955409
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_4_128:
     total:
       calls: 1
-      instructions: 670465586
+      instructions: 669260985
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_512_128:
     total:
       calls: 1
-      instructions: 3084621039
+      instructions: 3091546912
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_64_128:
     total:
       calls: 1
-      instructions: 1196853356
+      instructions: 1199764677
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_8_128:
     total:
       calls: 1
-      instructions: 832182265
+      instructions: 832345144
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/btreeset/canbench_results.yml b/benchmarks/btreeset/canbench_results.yml
index 54008d7b..a545593b 100644
--- a/benchmarks/btreeset/canbench_results.yml
+++ b/benchmarks/btreeset/canbench_results.yml
@@ -2,70 +2,70 @@ benches:
   btreeset_insert_blob_1024:
     total:
       calls: 1
-      instructions: 7291337249
+      instructions: 7297615291
       heap_increase: 1
       stable_memory_increase: 256
     scopes: {}
   btreeset_insert_blob_128:
     total:
       calls: 1
-      instructions: 1662562496
+      instructions: 1666440141
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_16:
     total:
       calls: 1
-      instructions: 741222152
+      instructions: 745165513
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_256:
     total:
       calls: 1
-      instructions: 2471956495
+      instructions: 2477974010
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_32:
     total:
       calls: 1
-      instructions: 840348868
+      instructions: 844209596
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_512:
     total:
       calls: 1
-      instructions: 4075803227
+      instructions: 4082105191
       heap_increase: 0
       stable_memory_increase: 128
     scopes: {}
   btreeset_insert_blob_64:
     total:
       calls: 1
-      instructions: 1004316588
+      instructions: 1008193748
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_8:
     total:
       calls: 1
-      instructions: 718594244
+      instructions: 722754664
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u32:
     total:
       calls: 1
-      instructions: 565533971
+      instructions: 569721493
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u64:
     total:
       calls: 1
-      instructions: 585065002
+      instructions: 589197609
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -415,14 +415,14 @@ benches:
   btreeset_iter_u64:
     total:
       calls: 1
-      instructions: 12114524
+      instructions: 12114509
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_1024:
     total:
       calls: 1
-      instructions: 261034820
+      instructions: 261034835
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -443,7 +443,7 @@ benches:
   btreeset_range_blob_256:
     total:
       calls: 1
-      instructions: 77610006
+      instructions: 77610021
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -457,7 +457,7 @@ benches:
   btreeset_range_blob_512:
     total:
       calls: 1
-      instructions: 138753476
+      instructions: 138753491
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -485,77 +485,77 @@ benches:
   btreeset_range_u64:
     total:
       calls: 1
-      instructions: 7424246
+      instructions: 7424231
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_1024:
     total:
       calls: 1
-      instructions: 7750191745
+      instructions: 7753750149
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_128:
     total:
       calls: 1
-      instructions: 1694618223
+      instructions: 1698240802
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_16:
     total:
       calls: 1
-      instructions: 733942391
+      instructions: 737512849
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_256:
     total:
       calls: 1
-      instructions: 2562026795
+      instructions: 2565521131
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_32:
     total:
       calls: 1
-      instructions: 830421878
+      instructions: 834021583
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_512:
     total:
       calls: 1
-      instructions: 4288905587
+      instructions: 4292463991
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_64:
     total:
       calls: 1
-      instructions: 1013554195
+      instructions: 1017174993
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_8:
     total:
       calls: 1
-      instructions: 711917058
+      instructions: 715189550
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u32:
     total:
       calls: 1
-      instructions: 557015167
+      instructions: 560428257
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u64:
     total:
       calls: 1
-      instructions: 580964315
+      instructions: 584266713
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/compare/canbench_results.yml b/benchmarks/compare/canbench_results.yml
index 7b14097b..4540db8c 100644
--- a/benchmarks/compare/canbench_results.yml
+++ b/benchmarks/compare/canbench_results.yml
@@ -65,21 +65,21 @@ benches:
   write_chunks_btreemap_1:
     total:
       calls: 1
-      instructions: 357205122
+      instructions: 357205117
       heap_increase: 13
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1k:
     total:
       calls: 1
-      instructions: 4188346650
+      instructions: 4188695663
       heap_increase: 2
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1m:
     total:
       calls: 1
-      instructions: 88440185344
+      instructions: 88827798790
       heap_increase: 0
       stable_memory_increase: 3072
     scopes: {}
diff --git a/src/btreemap/node/v2.rs b/src/btreemap/node/v2.rs
index 5e32a253..f2e81328 100644
--- a/src/btreemap/node/v2.rs
+++ b/src/btreemap/node/v2.rs
@@ -245,22 +245,23 @@ impl<K: Storable + Ord + Clone> Node<K> {
         offset += Bytes::from(8u64);
 
         // Write the children
-        if self.children.len() <= 4 {
-            // For small counts, use individual writes to avoid allocation overhead
-            for child in self.children.iter() {
-                writer.write_u64(offset, child.get());
-                offset += Address::size();
-            }
-        } else {
-            // For larger counts, use batch write for better performance
-            let bytes: Vec<_> = self
-                .children
-                .iter()
-                .flat_map(|c| c.get().to_le_bytes())
-                .collect();
-            writer.write(offset, bytes.as_slice());
-            offset += Bytes::from(self.children.len()) * Address::size();
+        // const CHILDREN_BATCH_WRITE_THRESHOLD: usize = 1;
+        // if self.children.len() <= CHILDREN_BATCH_WRITE_THRESHOLD {
+        //     // For small counts, use individual writes to avoid allocation overhead
+        for child in self.children.iter() {
+            writer.write_u64(offset, child.get());
+            offset += Address::size();
         }
+        // } else {
+        //     // For larger counts, use batch write for better performance
+        //     let bytes: Vec<_> = self
+        //         .children
+        //         .iter()
+        //         .flat_map(|c| c.get().to_le_bytes())
+        //         .collect();
+        //     writer.write(offset, bytes.as_slice());
+        //     offset += Bytes::from(self.children.len()) * Address::size();
+        // }
 
         // Write the keys.
         for i in 0..self.entries.len() {

From a18e52a529202a1a330b16d951d32166557d6cb1 Mon Sep 17 00:00:00 2001
From: Maksym Arutyunyan <maksym.arutyunyan@dfinity.org>
Date: Tue, 8 Jul 2025 11:48:41 +0200
Subject: [PATCH 3/4] remove condition

---
 src/btreemap/node/v2.rs | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

diff --git a/src/btreemap/node/v2.rs b/src/btreemap/node/v2.rs
index f2e81328..b24cfc4b 100644
--- a/src/btreemap/node/v2.rs
+++ b/src/btreemap/node/v2.rs
@@ -244,24 +244,15 @@ impl<K: Storable + Ord + Clone> Node<K> {
         writer.write_u64(offset, self.overflows.first().unwrap_or(&NULL).get());
         offset += Bytes::from(8u64);
 
-        // Write the children
-        // const CHILDREN_BATCH_WRITE_THRESHOLD: usize = 1;
-        // if self.children.len() <= CHILDREN_BATCH_WRITE_THRESHOLD {
-        //     // For small counts, use individual writes to avoid allocation overhead
-        for child in self.children.iter() {
-            writer.write_u64(offset, child.get());
-            offset += Address::size();
+        // Write the children.
+        let count = self.children.len();
+        let byte_len = count * Address::size().get() as usize;
+        let mut bytes = Vec::with_capacity(byte_len);
+        for child in &self.children {
+            bytes.extend_from_slice(&child.get().to_le_bytes());
         }
-        // } else {
-        //     // For larger counts, use batch write for better performance
-        //     let bytes: Vec<_> = self
-        //         .children
-        //         .iter()
-        //         .flat_map(|c| c.get().to_le_bytes())
-        //         .collect();
-        //     writer.write(offset, bytes.as_slice());
-        //     offset += Bytes::from(self.children.len()) * Address::size();
-        // }
+        writer.write(offset, &bytes);
+        offset += Bytes::from(byte_len);
 
         // Write the keys.
         for i in 0..self.entries.len() {

From f39eb3e651578612a83bde7d42f9261652f1e7a0 Mon Sep 17 00:00:00 2001
From: Maksym Arutyunyan <maksym.arutyunyan@dfinity.org>
Date: Tue, 8 Jul 2025 12:06:55 +0200
Subject: [PATCH 4/4] --persist

---
 benchmarks/btreemap/canbench_results.yml | 336 +++++++++++------------
 benchmarks/btreeset/canbench_results.yml |  50 ++--
 benchmarks/compare/canbench_results.yml  |   6 +-
 3 files changed, 196 insertions(+), 196 deletions(-)

diff --git a/benchmarks/btreemap/canbench_results.yml b/benchmarks/btreemap/canbench_results.yml
index ab56c821..549b19e1 100644
--- a/benchmarks/btreemap/canbench_results.yml
+++ b/benchmarks/btreemap/canbench_results.yml
@@ -562,280 +562,280 @@ benches:
   btreemap_v2_insert_10mib_values:
     total:
       calls: 1
-      instructions: 4388588216
+      instructions: 4388592719
       heap_increase: 161
       stable_memory_increase: 3613
     scopes: {}
   btreemap_v2_insert_blob8_u64:
     total:
       calls: 1
-      instructions: 435583535
+      instructions: 436633391
       heap_increase: 0
       stable_memory_increase: 4
     scopes: {}
   btreemap_v2_insert_blob_1024_128:
     total:
       calls: 1
-      instructions: 5495206750
+      instructions: 5496222167
       heap_increase: 0
       stable_memory_increase: 196
     scopes: {}
   btreemap_v2_insert_blob_128_128:
     total:
       calls: 1
-      instructions: 1179779464
+      instructions: 1180838234
       heap_increase: 0
       stable_memory_increase: 46
     scopes: {}
   btreemap_v2_insert_blob_16_128:
     total:
       calls: 1
-      instructions: 485132598
+      instructions: 486249812
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_blob_256_128:
     total:
       calls: 1
-      instructions: 1787983019
+      instructions: 1789038066
       heap_increase: 0
       stable_memory_increase: 67
     scopes: {}
   btreemap_v2_insert_blob_32_1024:
     total:
       calls: 1
-      instructions: 702429342
+      instructions: 703500065
       heap_increase: 0
       stable_memory_increase: 173
     scopes: {}
   btreemap_v2_insert_blob_32_128:
     total:
       calls: 1
-      instructions: 541470492
+      instructions: 542568143
       heap_increase: 0
       stable_memory_increase: 28
     scopes: {}
   btreemap_v2_insert_blob_32_16:
     total:
       calls: 1
-      instructions: 518043744
+      instructions: 519117156
       heap_increase: 0
       stable_memory_increase: 11
     scopes: {}
   btreemap_v2_insert_blob_32_256:
     total:
       calls: 1
-      instructions: 569586202
+      instructions: 570690137
       heap_increase: 0
       stable_memory_increase: 49
     scopes: {}
   btreemap_v2_insert_blob_32_32:
     total:
       calls: 1
-      instructions: 527888333
+      instructions: 528951192
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_32_4:
     total:
       calls: 1
-      instructions: 508308196
+      instructions: 509380036
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_blob_32_512:
     total:
       calls: 1
-      instructions: 608973095
+      instructions: 610063051
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_blob_32_64:
     total:
       calls: 1
-      instructions: 533853067
+      instructions: 534921249
       heap_increase: 0
       stable_memory_increase: 18
     scopes: {}
   btreemap_v2_insert_blob_32_8:
     total:
       calls: 1
-      instructions: 516503547
+      instructions: 517593840
       heap_increase: 0
       stable_memory_increase: 9
     scopes: {}
   btreemap_v2_insert_blob_4_128:
     total:
       calls: 1
-      instructions: 406390348
+      instructions: 407268940
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_512_128:
     total:
       calls: 1
-      instructions: 3040207802
+      instructions: 3041223382
       heap_increase: 0
       stable_memory_increase: 111
     scopes: {}
   btreemap_v2_insert_blob_64_128:
     total:
       calls: 1
-      instructions: 660102701
+      instructions: 661179485
       heap_increase: 0
       stable_memory_increase: 34
     scopes: {}
   btreemap_v2_insert_blob_8_128:
     total:
       calls: 1
-      instructions: 457531404
+      instructions: 458615568
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_u64_blob8:
     total:
       calls: 1
-      instructions: 405654940
+      instructions: 406744693
       heap_increase: 0
       stable_memory_increase: 5
     scopes: {}
   btreemap_v2_insert_u64_u64:
     total:
       calls: 1
-      instructions: 413481517
+      instructions: 414580548
       heap_increase: 0
       stable_memory_increase: 6
     scopes: {}
   btreemap_v2_insert_u64_vec8:
     total:
       calls: 1
-      instructions: 409308618
+      instructions: 410372254
       heap_increase: 0
       stable_memory_increase: 21
     scopes: {}
   btreemap_v2_insert_vec8_u64:
     total:
       calls: 1
-      instructions: 593057366
+      instructions: 594103663
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_1024_128:
     total:
       calls: 1
-      instructions: 2743505567
+      instructions: 2744606200
       heap_increase: 0
       stable_memory_increase: 193
     scopes: {}
   btreemap_v2_insert_vec_128_128:
     total:
       calls: 1
-      instructions: 1011459541
+      instructions: 1012643373
       heap_increase: 0
       stable_memory_increase: 51
     scopes: {}
   btreemap_v2_insert_vec_16_128:
     total:
       calls: 1
-      instructions: 707874955
+      instructions: 708997439
       heap_increase: 0
       stable_memory_increase: 31
     scopes: {}
   btreemap_v2_insert_vec_256_128:
     total:
       calls: 1
-      instructions: 1401131938
+      instructions: 1402219761
       heap_increase: 0
       stable_memory_increase: 71
     scopes: {}
   btreemap_v2_insert_vec_32_1024:
     total:
       calls: 1
-      instructions: 1180728258
+      instructions: 1182132701
       heap_increase: 0
       stable_memory_increase: 171
     scopes: {}
   btreemap_v2_insert_vec_32_128:
     total:
       calls: 1
-      instructions: 755012533
+      instructions: 756106158
       heap_increase: 0
       stable_memory_increase: 33
     scopes: {}
   btreemap_v2_insert_vec_32_16:
     total:
       calls: 1
-      instructions: 665111774
+      instructions: 666191903
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_256:
     total:
       calls: 1
-      instructions: 868123653
+      instructions: 869225881
       heap_increase: 0
       stable_memory_increase: 54
     scopes: {}
   btreemap_v2_insert_vec_32_32:
     total:
       calls: 1
-      instructions: 660569310
+      instructions: 661645394
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_4:
     total:
       calls: 1
-      instructions: 659259915
+      instructions: 660354036
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_512:
     total:
       calls: 1
-      instructions: 972552705
+      instructions: 973664463
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_vec_32_64:
     total:
       calls: 1
-      instructions: 690574404
+      instructions: 691643081
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_vec_32_8:
     total:
       calls: 1
-      instructions: 658751365
+      instructions: 659845953
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_4_128:
     total:
       calls: 1
-      instructions: 603456702
+      instructions: 604355928
       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_512_128:
     total:
       calls: 1
-      instructions: 1858077135
+      instructions: 1859161681
       heap_increase: 0
       stable_memory_increase: 112
     scopes: {}
   btreemap_v2_insert_vec_64_128:
     total:
       calls: 1
-      instructions: 845267948
+      instructions: 846320282
       heap_increase: 0
       stable_memory_increase: 41
     scopes: {}
   btreemap_v2_insert_vec_8_128:
     total:
       calls: 1
-      instructions: 665192323
+      instructions: 666289233
       heap_increase: 0
       stable_memory_increase: 23
     scopes: {}
@@ -912,616 +912,616 @@ benches:
   btreemap_v2_mem_manager_insert_blob512_u64:
     total:
       calls: 1
-      instructions: 3126660563
+      instructions: 3127680452
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_blob512:
     total:
       calls: 1
-      instructions: 606227575
+      instructions: 607288370
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_u64:
     total:
       calls: 1
-      instructions: 519460673
+      instructions: 520545864
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_vec512:
     total:
       calls: 1
-      instructions: 833089592
+      instructions: 834100595
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_vec512_u64:
     total:
       calls: 1
-      instructions: 1963338266
+      instructions: 1964405448
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_blob512_u64:
     total:
       calls: 1
-      instructions: 4319996568
+      instructions: 4310221225
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_blob512:
     total:
       calls: 1
-      instructions: 892341948
+      instructions: 882970074
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_u64:
     total:
       calls: 1
-      instructions: 746309058
+      instructions: 736785650
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_vec512:
     total:
       calls: 1
-      instructions: 1234282155
+      instructions: 1223804753
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_vec512_u64:
     total:
       calls: 1
-      instructions: 3093981225
+      instructions: 3084565257
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob8_u64:
     total:
       calls: 1
-      instructions: 599694396
+      instructions: 599256189
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_1024_128:
     total:
       calls: 1
-      instructions: 8388290114
+      instructions: 8387602842
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_128_128:
     total:
       calls: 1
-      instructions: 1825375611
+      instructions: 1824725965
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_16_128:
     total:
       calls: 1
-      instructions: 743621027
+      instructions: 743084112
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_256_128:
     total:
       calls: 1
-      instructions: 2764600191
+      instructions: 2763911828
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_1024:
     total:
       calls: 1
-      instructions: 1121917023
+      instructions: 1121481321
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_128:
     total:
       calls: 1
-      instructions: 860898357
+      instructions: 860285162
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_16:
     total:
       calls: 1
-      instructions: 795734494
+      instructions: 795095715
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_256:
     total:
       calls: 1
-      instructions: 892230682
+      instructions: 891739804
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_32:
     total:
       calls: 1
-      instructions: 809197830
+      instructions: 808560505
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_4:
     total:
       calls: 1
-      instructions: 779420731
+      instructions: 778864648
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_512:
     total:
       calls: 1
-      instructions: 957968854
+      instructions: 957571175
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_64:
     total:
       calls: 1
-      instructions: 818016056
+      instructions: 817406508
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_8:
     total:
       calls: 1
-      instructions: 797435361
+      instructions: 796779002
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_4_128:
     total:
       calls: 1
-      instructions: 371732566
+      instructions: 371435725
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_512_128:
     total:
       calls: 1
-      instructions: 4614370070
+      instructions: 4613700344
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_64_128:
     total:
       calls: 1
-      instructions: 1032336305
+      instructions: 1031695256
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_8_128:
     total:
       calls: 1
-      instructions: 605416610
+      instructions: 604976184
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_blob8:
     total:
       calls: 1
-      instructions: 669848882
+      instructions: 669276877
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_u64:
     total:
       calls: 1
-      instructions: 681869400
+      instructions: 681264462
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_vec8:
     total:
       calls: 1
-      instructions: 672382625
+      instructions: 671829217
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec8_u64:
     total:
       calls: 1
-      instructions: 783158143
+      instructions: 782876135
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_1024_128:
     total:
       calls: 1
-      instructions: 4049830355
+      instructions: 4049265076
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_128_128:
     total:
       calls: 1
-      instructions: 1504295187
+      instructions: 1503218744
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_16_128:
     total:
       calls: 1
-      instructions: 1025573462
+      instructions: 1024772148
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_256_128:
     total:
       calls: 1
-      instructions: 2020624433
+      instructions: 2019891066
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_1024:
     total:
       calls: 1
-      instructions: 1690168853
+      instructions: 1689829372
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_128:
     total:
       calls: 1
-      instructions: 1089519617
+      instructions: 1088869698
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_16:
     total:
       calls: 1
-      instructions: 928885812
+      instructions: 928270806
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_256:
     total:
       calls: 1
-      instructions: 1215694830
+      instructions: 1215466767
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_32:
     total:
       calls: 1
-      instructions: 931648976
+      instructions: 931028208
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_4:
     total:
       calls: 1
-      instructions: 915308087
+      instructions: 914745699
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_512:
     total:
       calls: 1
-      instructions: 1373740757
+      instructions: 1373268399
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_64:
     total:
       calls: 1
-      instructions: 972460972
+      instructions: 972735601
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_8:
     total:
       calls: 1
-      instructions: 925572480
+      instructions: 924967663
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_4_128:
     total:
       calls: 1
-      instructions: 541299521
+      instructions: 540984708
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_512_128:
     total:
       calls: 1
-      instructions: 2716880517
+      instructions: 2716330411
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_64_128:
     total:
       calls: 1
-      instructions: 1235462714
+      instructions: 1234556907
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_8_128:
     total:
       calls: 1
-      instructions: 851195681
+      instructions: 850734232
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob8_u64:
     total:
       calls: 1
-      instructions: 576185016
+      instructions: 575661530
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_1024_128:
     total:
       calls: 1
-      instructions: 8055972389
+      instructions: 8055247791
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_128_128:
     total:
       calls: 1
-      instructions: 1756400719
+      instructions: 1755509118
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_16_128:
     total:
       calls: 1
-      instructions: 717040370
+      instructions: 716556083
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_256_128:
     total:
       calls: 1
-      instructions: 2670412193
+      instructions: 2669730307
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_1024:
     total:
       calls: 1
-      instructions: 1085935974
+      instructions: 1085450731
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_128:
     total:
       calls: 1
-      instructions: 826499246
+      instructions: 825902306
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_16:
     total:
       calls: 1
-      instructions: 767544582
+      instructions: 766901397
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_256:
     total:
       calls: 1
-      instructions: 861350752
+      instructions: 860879651
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_32:
     total:
       calls: 1
-      instructions: 776551101
+      instructions: 775936416
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_4:
     total:
       calls: 1
-      instructions: 755727381
+      instructions: 755124599
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_512:
     total:
       calls: 1
-      instructions: 932685064
+      instructions: 932320719
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_64:
     total:
       calls: 1
-      instructions: 792491550
+      instructions: 791545690
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_8:
     total:
       calls: 1
-      instructions: 768825610
+      instructions: 768161716
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_4_128:
     total:
       calls: 1
-      instructions: 358121020
+      instructions: 357885021
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_512_128:
     total:
       calls: 1
-      instructions: 4445246321
+      instructions: 4444567386
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_64_128:
     total:
       calls: 1
-      instructions: 1000442618
+      instructions: 999738711
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_8_128:
     total:
       calls: 1
-      instructions: 599376640
+      instructions: 598942864
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_blob8:
     total:
       calls: 1
-      instructions: 646452686
+      instructions: 645812582
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_u64:
     total:
       calls: 1
-      instructions: 658134231
+      instructions: 657455588
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_vec8:
     total:
       calls: 1
-      instructions: 648829108
+      instructions: 648268033
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec8_u64:
     total:
       calls: 1
-      instructions: 759534021
+      instructions: 759547094
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_1024_128:
     total:
       calls: 1
-      instructions: 4255611249
+      instructions: 4254818123
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_128_128:
     total:
       calls: 1
-      instructions: 1510332763
+      instructions: 1509650210
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_16_128:
     total:
       calls: 1
-      instructions: 1005700714
+      instructions: 1006125814
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_256_128:
     total:
       calls: 1
-      instructions: 2074001249
+      instructions: 2073363853
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_1024:
     total:
       calls: 1
-      instructions: 1664886216
+      instructions: 1664437667
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_128:
     total:
       calls: 1
-      instructions: 1065254988
+      instructions: 1064611264
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_16:
     total:
       calls: 1
-      instructions: 903590350
+      instructions: 902974455
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_256:
     total:
       calls: 1
-      instructions: 1193387235
+      instructions: 1193452039
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_32:
     total:
       calls: 1
-      instructions: 911076495
+      instructions: 910490347
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_4:
     total:
       calls: 1
-      instructions: 899654103
+      instructions: 898985596
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_512:
     total:
       calls: 1
-      instructions: 1357567338
+      instructions: 1356914135
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_64:
     total:
       calls: 1
-      instructions: 950395815
+      instructions: 949782755
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_8:
     total:
       calls: 1
-      instructions: 903136460
+      instructions: 902473492
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_4_128:
     total:
       calls: 1
-      instructions: 527100182
+      instructions: 527064939
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_512_128:
     total:
       calls: 1
-      instructions: 2808804052
+      instructions: 2808165041
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_64_128:
     total:
       calls: 1
-      instructions: 1221302928
+      instructions: 1220824533
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_8_128:
     total:
       calls: 1
-      instructions: 850708267
+      instructions: 850619579
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1591,280 +1591,280 @@ benches:
   btreemap_v2_remove_10mib_values:
     total:
       calls: 1
-      instructions: 4711112872
+      instructions: 4711118385
       heap_increase: 0
       stable_memory_increase: 657
     scopes: {}
   btreemap_v2_remove_blob8_u64:
     total:
       calls: 1
-      instructions: 587676395
+      instructions: 584636969
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_1024_128:
     total:
       calls: 1
-      instructions: 7367380053
+      instructions: 7363800309
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_128_128:
     total:
       calls: 1
-      instructions: 1592346882
+      instructions: 1588756329
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_16_128:
     total:
       calls: 1
-      instructions: 668856949
+      instructions: 665337905
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_256_128:
     total:
       calls: 1
-      instructions: 2425420384
+      instructions: 2421697300
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_1024:
     total:
       calls: 1
-      instructions: 988521087
+      instructions: 985325869
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 750094365
+      instructions: 746608890
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_16:
     total:
       calls: 1
-      instructions: 703435087
+      instructions: 700059994
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_256:
     total:
       calls: 1
-      instructions: 787348611
+      instructions: 784125701
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_32:
     total:
       calls: 1
-      instructions: 715313919
+      instructions: 711919498
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_4:
     total:
       calls: 1
-      instructions: 699697932
+      instructions: 696214241
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_512:
     total:
       calls: 1
-      instructions: 861178152
+      instructions: 857936684
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_64:
     total:
       calls: 1
-      instructions: 741014930
+      instructions: 737074307
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_8:
     total:
       calls: 1
-      instructions: 699417583
+      instructions: 696057915
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_4_128:
     total:
       calls: 1
-      instructions: 454979555
+      instructions: 452857933
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_512_128:
     total:
       calls: 1
-      instructions: 4074974545
+      instructions: 4071507249
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_64_128:
     total:
       calls: 1
-      instructions: 913170998
+      instructions: 910052271
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_8_128:
     total:
       calls: 1
-      instructions: 602642852
+      instructions: 599299651
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_blob8:
     total:
       calls: 1
-      instructions: 569267604
+      instructions: 566079913
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_u64:
     total:
       calls: 1
-      instructions: 590143657
+      instructions: 586718731
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_vec8:
     total:
       calls: 1
-      instructions: 574579801
+      instructions: 571366355
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec8_u64:
     total:
       calls: 1
-      instructions: 759045486
+      instructions: 755823918
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_1024_128:
     total:
       calls: 1
-      instructions: 4479091980
+      instructions: 4475943466
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_128_128:
     total:
       calls: 1
-      instructions: 1421530048
+      instructions: 1418213214
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_16_128:
     total:
       calls: 1
-      instructions: 922482060
+      instructions: 921111290
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_256_128:
     total:
       calls: 1
-      instructions: 2247735325
+      instructions: 2244668594
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_1024:
     total:
       calls: 1
-      instructions: 1704445113
+      instructions: 1701563272
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_128:
     total:
       calls: 1
-      instructions: 1040307664
+      instructions: 1036968514
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_16:
     total:
       calls: 1
-      instructions: 874589332
+      instructions: 871328883
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_256:
     total:
       calls: 1
-      instructions: 1243443567
+      instructions: 1240176546
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_32:
     total:
       calls: 1
-      instructions: 870744482
+      instructions: 867569469
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_4:
     total:
       calls: 1
-      instructions: 865594916
+      instructions: 862147420
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_512:
     total:
       calls: 1
-      instructions: 1408880357
+      instructions: 1405971132
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_64:
     total:
       calls: 1
-      instructions: 971966120
+      instructions: 968312981
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_8:
     total:
       calls: 1
-      instructions: 859742660
+      instructions: 856477157
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_4_128:
     total:
       calls: 1
-      instructions: 660691406
+      instructions: 662121914
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_512_128:
     total:
       calls: 1
-      instructions: 3082789107
+      instructions: 3082706271
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_64_128:
     total:
       calls: 1
-      instructions: 1186962796
+      instructions: 1183958569
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_8_128:
     total:
       calls: 1
-      instructions: 825114141
+      instructions: 821774415
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/btreeset/canbench_results.yml b/benchmarks/btreeset/canbench_results.yml
index 1fc9b64d..de9d69f8 100644
--- a/benchmarks/btreeset/canbench_results.yml
+++ b/benchmarks/btreeset/canbench_results.yml
@@ -2,70 +2,70 @@ benches:
   btreeset_insert_blob_1024:
     total:
       calls: 1
-      instructions: 7267859583
+      instructions: 7265892372
       heap_increase: 1
       stable_memory_increase: 256
     scopes: {}
   btreeset_insert_blob_128:
     total:
       calls: 1
-      instructions: 1636925501
+      instructions: 1636767402
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_16:
     total:
       calls: 1
-      instructions: 716223590
+      instructions: 715664326
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_256:
     total:
       calls: 1
-      instructions: 2447459301
+      instructions: 2445225121
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_32:
     total:
       calls: 1
-      instructions: 815125190
+      instructions: 814718710
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_512:
     total:
       calls: 1
-      instructions: 4052071421
+      instructions: 4049839436
       heap_increase: 0
       stable_memory_increase: 128
     scopes: {}
   btreeset_insert_blob_64:
     total:
       calls: 1
-      instructions: 980714619
+      instructions: 980469261
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_8:
     total:
       calls: 1
-      instructions: 694548477
+      instructions: 694043361
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u32:
     total:
       calls: 1
-      instructions: 540591969
+      instructions: 540164863
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u64:
     total:
       calls: 1
-      instructions: 561940432
+      instructions: 561497942
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -380,7 +380,7 @@ benches:
   btreeset_iter_blob_32:
     total:
       calls: 1
-      instructions: 22129509
+      instructions: 22129524
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -415,7 +415,7 @@ benches:
   btreeset_iter_u64:
     total:
       calls: 1
-      instructions: 12055859
+      instructions: 12055874
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -450,7 +450,7 @@ benches:
   btreeset_range_blob_32:
     total:
       calls: 1
-      instructions: 13966914
+      instructions: 13966929
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -478,84 +478,84 @@ benches:
   btreeset_range_u32:
     total:
       calls: 1
-      instructions: 7220129
+      instructions: 7220114
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_u64:
     total:
       calls: 1
-      instructions: 7262228
+      instructions: 7262243
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_1024:
     total:
       calls: 1
-      instructions: 7723123075
+      instructions: 7722749146
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_128:
     total:
       calls: 1
-      instructions: 1666749672
+      instructions: 1666415454
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_16:
     total:
       calls: 1
-      instructions: 705648254
+      instructions: 705483928
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_256:
     total:
       calls: 1
-      instructions: 2534383060
+      instructions: 2534126706
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_32:
     total:
       calls: 1
-      instructions: 802373950
+      instructions: 802114863
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_512:
     total:
       calls: 1
-      instructions: 4261836917
+      instructions: 4261462921
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_64:
     total:
       calls: 1
-      instructions: 987467485
+      instructions: 987128732
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_8:
     total:
       calls: 1
-      instructions: 683857879
+      instructions: 683601373
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u32:
     total:
       calls: 1
-      instructions: 528385787
+      instructions: 528154844
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u64:
     total:
       calls: 1
-      instructions: 553317996
+      instructions: 553060549
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/compare/canbench_results.yml b/benchmarks/compare/canbench_results.yml
index 6e6fe338..6c2e9160 100644
--- a/benchmarks/compare/canbench_results.yml
+++ b/benchmarks/compare/canbench_results.yml
@@ -65,21 +65,21 @@ benches:
   write_chunks_btreemap_1:
     total:
       calls: 1
-      instructions: 357205117
+      instructions: 357205397
       heap_increase: 13
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1k:
     total:
       calls: 1
-      instructions: 4187081601
+      instructions: 4187119879
       heap_increase: 2
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1m:
     total:
       calls: 1
-      instructions: 83655983291
+      instructions: 83659829857
       heap_increase: 0
       stable_memory_increase: 3072
     scopes: {}