Benchmarks for dotnet/runtime#124990 (for @Copilot)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#124990.

Targets: ubuntu24_azure_turin, macos26_helix_arm64
Commits: main;PR_124990

• ubuntu24_azure_turin: live logs
• macos26_helix_arm64: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for ubuntu24_azure_turin

@Copilot

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 11.0.100-preview.3.26151.104
  [Host]     : .NET 10.0.3 (10.0.3, 10.0.326.7603), X64 RyuJIT x86-64-v4

Method	Toolchain	BufferSize	Mean	Error	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
ReadByte	PR #124990**	1	5.618 ns	0.1342 ns	1.00	0.0043	-	-	72 B	1.00
ReadByte	main	1	4.979 ns	0.1165 ns	0.89	0.0038	-	-	64 B	0.89
ReadByteArray	PR #124990	1	6.269 ns	0.1417 ns	1.00	0.0043	-	-	72 B	1.00
ReadByteArray	main	1	6.049 ns	0.1234 ns	0.97	0.0038	-	-	64 B	0.89
ReadSpan	PR #124990	1	11.713 ns	0.0630 ns	1.00	0.0043	-	-	72 B	1.00
ReadSpan	main	1	6.968 ns	0.1120 ns	0.59	0.0038	-	-	64 B	0.89
ReadAsyncMemory	PR #124990	1	27.042 ns	0.2581 ns	1.00	0.0043	-	-	72 B	1.00
ReadAsyncMemory	main	1	26.375 ns	0.1657 ns	0.98	0.0038	-	-	64 B	0.89
WriteByte	PR #124990	1	5.832 ns	0.1373 ns	1.00	0.0043	-	-	72 B	1.00
WriteByte	main	1	5.313 ns	0.0917 ns	0.91	0.0038	-	-	64 B	0.89
WriteByteArray	PR #124990	1	5.953 ns	0.0946 ns	1.00	0.0043	-	-	72 B	1.00
WriteByteArray	main	1	5.368 ns	0.1290 ns	0.90	0.0038	-	-	64 B	0.89
WriteSpan	PR #124990	1	6.411 ns	0.1506 ns	1.00	0.0043	-	-	72 B	1.00
WriteSpan	main	1	5.651 ns	0.0719 ns	0.88	0.0038	-	-	64 B	0.89
WriteAsyncMemory	PR #124990	1	16.807 ns	0.1092 ns	1.00	0.0043	-	-	72 B	1.00
WriteAsyncMemory	main	1	16.559 ns	0.0431 ns	0.99	0.0038	-	-	64 B	0.89
CopyTo	PR #124990	1	70.917 ns	0.5313 ns	1.00	0.0253	-	-	424 B	1.00
CopyTo	main	1	64.184 ns	0.4315 ns	0.91	0.0243	-	-	408 B	0.96
CopyToAsync	PR #124990	1	79.021 ns	0.4665 ns	1.00	0.0253	-	-	424 B	1.00
CopyToAsync	main	1	78.780 ns	0.7271 ns	1.00	0.0243	-	-	408 B	0.96
ReadByte	PR #124990**	100	72.662 ns	0.7650 ns	1.00	0.0043	-	-	72 B	1.00
ReadByte	main	100	51.119 ns	0.2796 ns	0.70	0.0038	-	-	64 B	0.89
ReadByteArray	PR #124990	100	9.055 ns	0.0747 ns	1.00	0.0043	-	-	72 B	1.00
ReadByteArray	main	100	7.644 ns	0.1055 ns	0.84	0.0038	-	-	64 B	0.89
ReadSpan	PR #124990	100	14.003 ns	0.0672 ns	1.00	0.0043	-	-	72 B	1.00
ReadSpan	main	100	7.163 ns	0.1655 ns	0.51	0.0038	-	-	64 B	0.89
ReadAsyncMemory	PR #124990	100	30.690 ns	0.2761 ns	1.00	0.0043	-	-	72 B	1.00
ReadAsyncMemory	main	100	29.268 ns	0.0989 ns	0.95	0.0038	-	-	64 B	0.89
WriteByte	PR #124990	100	150.770 ns	2.8387 ns	1.00	0.0043	-	-	72 B	1.00
WriteByte	main	100	94.434 ns	1.9133 ns	0.63	0.0038	-	-	64 B	0.89
WriteByteArray	PR #124990	100	7.307 ns	0.0936 ns	1.00	0.0043	-	-	72 B	1.00
WriteByteArray	main	100	7.254 ns	0.1578 ns	0.99	0.0038	-	-	64 B	0.89
WriteSpan	PR #124990	100	6.677 ns	0.1510 ns	1.00	0.0043	-	-	72 B	1.00
WriteSpan	main	100	6.174 ns	0.1227 ns	0.93	0.0038	-	-	64 B	0.89
WriteAsyncMemory	PR #124990	100	19.605 ns	0.1349 ns	1.00	0.0043	-	-	72 B	1.00
WriteAsyncMemory	main	100	19.711 ns	0.1132 ns	1.01	0.0038	-	-	64 B	0.89
CopyTo	PR #124990	100	73.356 ns	0.3249 ns	1.00	0.0253	-	-	424 B	1.00
CopyTo	main	100	65.417 ns	0.2721 ns	0.89	0.0243	-	-	408 B	0.96
CopyToAsync	PR #124990	100	82.277 ns	0.5999 ns	1.00	0.0253	-	-	424 B	1.00
CopyToAsync	main	100	81.063 ns	0.5235 ns	0.99	0.0243	-	-	408 B	0.96
ReadByte	PR #124990**	100000	59,215.794 ns	304.8259 ns	1.00	-	-	-	72 B	1.00
ReadByte	main	100000	33,399.737 ns	323.5305 ns	0.56	-	-	-	64 B	0.89
ReadByteArray	PR #124990	100000	741.817 ns	3.7925 ns	1.00	0.0038	-	-	72 B	1.00
ReadByteArray	main	100000	735.651 ns	3.9586 ns	0.99	0.0038	-	-	64 B	0.89
ReadSpan	PR #124990	100000	745.442 ns	3.7373 ns	1.00	0.0038	-	-	72 B	1.00
ReadSpan	main	100000	733.226 ns	4.3344 ns	0.98	0.0038	-	-	64 B	0.89
ReadAsyncMemory	PR #124990	100000	753.695 ns	1.6971 ns	1.00	0.0038	-	-	72 B	1.00
ReadAsyncMemory	main	100000	753.597 ns	3.8262 ns	1.00	0.0038	-	-	64 B	0.89
WriteByte	PR #124990	100000	101,713.770 ns	2,772.8274 ns	1.01	-	-	-	72 B	1.00
WriteByte	main	100000	83,603.095 ns	423.3638 ns	0.83	-	-	-	64 B	0.89
WriteByteArray	PR #124990	100000	730.150 ns	4.0203 ns	1.00	0.0038	-	-	72 B	1.00
WriteByteArray	main	100000	727.918 ns	2.8493 ns	1.00	0.0038	-	-	64 B	0.89
WriteSpan	PR #124990	100000	728.604 ns	3.6485 ns	1.00	0.0038	-	-	72 B	1.00
WriteSpan	main	100000	726.246 ns	3.4464 ns	1.00	0.0038	-	-	64 B	0.89
WriteAsyncMemory	PR #124990	100000	744.934 ns	4.0409 ns	1.00	0.0038	-	-	72 B	1.00
WriteAsyncMemory	main	100000	743.256 ns	4.3958 ns	1.00	0.0038	-	-	64 B	0.89
CopyTo	PR #124990	100000	39,656.033 ns	265.6343 ns	1.00	31.1890	31.1890	31.1890	100178 B	1.00
CopyTo	main	100000	39,651.943 ns	178.3957 ns	1.00	31.1890	31.1890	31.1890	100162 B	1.00
CopyToAsync	PR #124990	100000	39,522.902 ns	317.4869 ns	1.00	31.1890	31.1890	31.1890	100178 B	1.00
CopyToAsync	main	100000	39,862.759 ns	277.5782 ns	1.01	31.1890	31.1890	31.1890	100162 B	1.00

Full logs

[EgorBot]

Results for macos26_helix_arm64

@Copilot

BenchmarkDotNet v0.15.8, macOS Sequoia 15.4.1 (24E263) [Darwin 24.4.0]
Apple M2, 1 CPU, 8 logical and 8 physical cores
.NET SDK 11.0.100-preview.3.26151.104
  [Host]     : .NET 10.0.3 (10.0.3, 10.0.326.7603), Arm64 RyuJIT armv8.0-a

Method	Toolchain	BufferSize	Mean	Error	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
ReadByte	PR #124990**	1	6.206 ns	0.0961 ns	1.00	0.0086	-	-	72 B	1.00
ReadByte	main	1	5.575 ns	0.0170 ns	0.90	0.0076	-	-	64 B	0.89
ReadByteArray	PR #124990	1	9.616 ns	0.0807 ns	1.00	0.0086	-	-	72 B	1.00
ReadByteArray	main	1	7.051 ns	0.0595 ns	0.73	0.0076	-	-	64 B	0.89
ReadSpan	PR #124990	1	10.106 ns	0.1796 ns	1.00	0.0086	-	-	72 B	1.00
ReadSpan	main	1	7.463 ns	0.0959 ns	0.74	0.0076	-	-	64 B	0.89
ReadAsyncMemory	PR #124990	1	22.908 ns	0.0501 ns	1.00	0.0086	-	-	72 B	1.00
ReadAsyncMemory	main	1	22.498 ns	0.0783 ns	0.98	0.0076	-	-	64 B	0.89
WriteByte	PR #124990	1	6.303 ns	0.1368 ns	1.00	0.0086	-	-	72 B	1.00
WriteByte	main	1	5.914 ns	0.0780 ns	0.94	0.0076	-	-	64 B	0.89
WriteByteArray	PR #124990	1	6.447 ns	0.1411 ns	1.00	0.0086	-	-	72 B	1.00
WriteByteArray	main	1	6.075 ns	0.0846 ns	0.94	0.0076	-	-	64 B	0.89
WriteSpan	PR #124990	1	6.650 ns	0.0873 ns	1.00	0.0086	-	-	72 B	1.00
WriteSpan	main	1	6.363 ns	0.1256 ns	0.96	0.0076	-	-	64 B	0.89
WriteAsyncMemory	PR #124990	1	16.211 ns	0.0559 ns	1.00	0.0086	-	-	72 B	1.00
WriteAsyncMemory	main	1	15.880 ns	0.0446 ns	0.98	0.0076	-	-	64 B	0.89
CopyTo	PR #124990	1	82.646 ns	0.1819 ns	1.00	0.0507	-	-	424 B	1.00
CopyTo	main	1	77.220 ns	0.3004 ns	0.93	0.0488	-	-	408 B	0.96
CopyToAsync	PR #124990	1	110.196 ns	0.3939 ns	1.00	0.0507	-	-	424 B	1.00
CopyToAsync	main	1	108.222 ns	0.3480 ns	0.98	0.0488	-	-	408 B	0.96
ReadByte	PR #124990**	100	208.729 ns	0.1260 ns	1.00	0.0086	-	-	72 B	1.00
ReadByte	main	100	67.597 ns	0.2740 ns	0.32	0.0076	-	-	64 B	0.89
ReadByteArray	PR #124990	100	10.426 ns	0.1407 ns	1.00	0.0086	-	-	72 B	1.00
ReadByteArray	main	100	8.857 ns	0.1711 ns	0.85	0.0076	-	-	64 B	0.89
ReadSpan	PR #124990	100	10.896 ns	0.1712 ns	1.00	0.0086	-	-	72 B	1.00
ReadSpan	main	100	8.069 ns	0.1723 ns	0.74	0.0076	-	-	64 B	0.89
ReadAsyncMemory	PR #124990	100	30.016 ns	0.0950 ns	1.00	0.0086	-	-	72 B	1.00
ReadAsyncMemory	main	100	29.363 ns	0.2184 ns	0.98	0.0076	-	-	64 B	0.89
WriteByte	PR #124990	100	129.525 ns	0.1220 ns	1.00	0.0086	-	-	72 B	1.00
WriteByte	main	100	188.221 ns	0.4672 ns	1.45	0.0076	-	-	64 B	0.89
WriteByteArray	PR #124990	100	8.219 ns	0.0995 ns	1.00	0.0086	-	-	72 B	1.00
WriteByteArray	main	100	7.889 ns	0.1448 ns	0.96	0.0076	-	-	64 B	0.89
WriteSpan	PR #124990	100	7.286 ns	0.1098 ns	1.00	0.0086	-	-	72 B	1.00
WriteSpan	main	100	8.611 ns	0.1178 ns	1.18	0.0076	-	-	64 B	0.89
WriteAsyncMemory	PR #124990	100	20.317 ns	0.1737 ns	1.00	0.0086	-	-	72 B	1.00
WriteAsyncMemory	main	100	20.055 ns	0.2482 ns	0.99	0.0076	-	-	64 B	0.89
CopyTo	PR #124990	100	85.859 ns	0.2255 ns	1.00	0.0507	-	-	424 B	1.00
CopyTo	main	100	103.225 ns	1.2533 ns	1.20	0.0488	-	-	408 B	0.96
CopyToAsync	PR #124990	100	114.242 ns	0.8070 ns	1.00	0.0507	-	-	424 B	1.00
CopyToAsync	main	100	113.162 ns	2.2754 ns	0.99	0.0488	-	-	408 B	0.96
ReadByte	PR #124990**	100000	194,173.154 ns	3,475.0653 ns	1.00	-	-	-	72 B	1.00
ReadByte	main	100000	57,286.125 ns	167.4271 ns	0.30	-	-	-	64 B	0.89
ReadByteArray	PR #124990	100000	1,176.258 ns	22.3812 ns	1.00	0.0076	-	-	72 B	1.00
ReadByteArray	main	100000	1,178.866 ns	18.6638 ns	1.00	0.0076	-	-	64 B	0.89
ReadSpan	PR #124990	100000	1,254.556 ns	31.3411 ns	1.01	0.0076	-	-	72 B	1.00
ReadSpan	main	100000	1,184.921 ns	23.4282 ns	0.95	0.0076	-	-	64 B	0.89
ReadAsyncMemory	PR #124990	100000	1,176.157 ns	21.4737 ns	1.00	0.0076	-	-	72 B	1.00
ReadAsyncMemory	main	100000	1,242.160 ns	32.0915 ns	1.06	0.0076	-	-	64 B	0.89
WriteByte	PR #124990	100000	116,109.427 ns	903.1639 ns	1.00	-	-	-	72 B	1.00
WriteByte	main	100000	190,399.653 ns	340.4815 ns	1.64	-	-	-	64 B	0.89
WriteByteArray	PR #124990	100000	1,253.307 ns	38.8649 ns	1.01	0.0076	-	-	72 B	1.00
WriteByteArray	main	100000	1,262.194 ns	41.2867 ns	1.01	0.0076	-	-	64 B	0.89
WriteSpan	PR #124990	100000	1,323.351 ns	51.9291 ns	1.01	0.0076	-	-	72 B	1.00
WriteSpan	main	100000	1,255.361 ns	30.8666 ns	0.96	0.0076	-	-	64 B	0.89
WriteAsyncMemory	PR #124990	100000	1,269.092 ns	29.7323 ns	1.00	0.0076	-	-	72 B	1.00
WriteAsyncMemory	main	100000	1,311.752 ns	37.1494 ns	1.04	0.0076	-	-	64 B	0.89
CopyTo	PR #124990	100000	9,233.349 ns	63.2707 ns	1.00	31.2347	31.2347	31.2347	100178 B	1.00
CopyTo	main	100000	8,889.786 ns	28.1428 ns	0.96	31.2347	31.2347	31.2347	100162 B	1.00
CopyToAsync	PR #124990	100000	9,258.686 ns	51.7405 ns	1.00	31.2347	31.2347	31.2347	100178 B	1.00
CopyToAsync	main	100000	8,949.218 ns	71.7690 ns	0.97	31.2347	31.2347	31.2347	100162 B	1.00

Full logs