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docs: update build performance benchmarks (2.5.1) #200

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12 changes: 6 additions & 6 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -424,12 +424,12 @@ Self-measured on every release via CI ([build benchmarks](generated/BUILD-BENCHM
| Metric | Latest |
|---|---|
| Build speed (native) | **1.9 ms/file** |
| Build speed (WASM) | **7.8 ms/file** |
| Query time | **2ms** |
| No-op rebuild (native) | **3ms** |
| 1-file rebuild (native) | **93ms** |
| Query: fn-deps | **1.8ms** |
| Query: path | **1ms** |
| Build speed (WASM) | **8.1 ms/file** |
| Query time | **3ms** |
| No-op rebuild (native) | **4ms** |
| 1-file rebuild (native) | **102ms** |
| Query: fn-deps | **2.3ms** |
| Query: path | **1.2ms** |
| ~50,000 files (est.) | **~95.0s build** |

Metrics are normalized per file for cross-version comparability. Times above are for a full initial build — incremental rebuilds only re-parse changed files.
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140 changes: 70 additions & 70 deletions generated/BUILD-BENCHMARKS.md
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Expand Up @@ -5,8 +5,8 @@ Metrics are normalized per file for cross-version comparability.

| Version | Engine | Date | Files | Build (ms/file) | Query (ms) | Nodes/file | Edges/file | DB (bytes/file) |
|---------|--------|------|------:|----------------:|-----------:|-----------:|-----------:|----------------:|
| 2.5.1 | native | 2026-03-01 | 126 | 1.9 ↓5% | 2.1 ↓12% | 6.5 ~ | 11.1 ~ | 5526 ~ |
| 2.5.1 | wasm | 2026-03-01 | 126 | 7.8 ↓7% | 3 ↓14% | 6.5 ~ | 11.1 ~ | 5526 ~ |
| 2.5.1 | native | 2026-03-01 | 131 | 1.9 ↓5% | 3.1 ↑29% | 6.4 ~ | 11.1 ~ | 5440 ↓3% |
| 2.5.1 | wasm | 2026-03-01 | 131 | 8.1 ↓4% | 3.6 ↑3% | 6.4 ~ | 11.1 ~ | 5440 ↓3% |
| 2.5.0 | native | 2026-02-28 | 123 | 2 | 2.4 | 6.5 | 11.1 | 5595 |
| 2.5.0 | wasm | 2026-02-28 | 123 | 8.4 ↑65% | 3.5 ↑59% | 6.5 ~ | 11.1 ↑4% | 5595 ↑19% |
| 2.4.0 | wasm | 2026-02-28 | 123 | 5.1 ↓23% | 2.2 ↑5% | 6.5 ↑12% | 10.7 ↑18% | 4695 ↑22% |
Expand All @@ -23,53 +23,53 @@ Metrics are normalized per file for cross-version comparability.

| Metric | Value |
|--------|-------|
| Build time | 236ms |
| Query time | 2ms |
| Nodes | 817 |
| Edges | 1,393 |
| DB size | 680 KB |
| Files | 126 |
| Build time | 255ms |
| Query time | 3ms |
| Nodes | 844 |
| Edges | 1,458 |
| DB size | 696 KB |
| Files | 131 |

#### WASM

| Metric | Value |
|--------|-------|
| Build time | 979ms |
| Query time | 3ms |
| Nodes | 817 |
| Edges | 1,393 |
| DB size | 680 KB |
| Files | 126 |
| Build time | 1.1s |
| Query time | 4ms |
| Nodes | 844 |
| Edges | 1,458 |
| DB size | 696 KB |
| Files | 131 |

### Build Phase Breakdown (latest)

| Phase | Native | WASM |
|-------|-------:|-----:|
| Parse | 138.2 ms | 621.1 ms |
| Insert nodes | 12.1 ms | 16.7 ms |
| Resolve imports | 5.5 ms | 10.2 ms |
| Build edges | 56.9 ms | 60.5 ms |
| Structure | 3.6 ms | 7.2 ms |
| Roles | 4.7 ms | 4.9 ms |
| Complexity | 4.7 ms | 232.5 ms |
| Parse | 140.5 ms | 671.4 ms |
| Insert nodes | 14.2 ms | 15.5 ms |
| Resolve imports | 10.6 ms | 13.9 ms |
| Build edges | 60.6 ms | 68.3 ms |
| Structure | 3.9 ms | 8 ms |
| Roles | 5.7 ms | 5.4 ms |
| Complexity | 5.4 ms | 248.9 ms |

### Estimated performance at 50,000 files

Extrapolated linearly from per-file metrics above.

| Metric | Native (Rust) | WASM |
|--------|---:|---:|
| Build time | 95.0s | 390.0s |
| DB size | 263.5 MB | 263.5 MB |
| Nodes | 325,000 | 325,000 |
| Build time | 95.0s | 405.0s |
| DB size | 259.4 MB | 259.4 MB |
| Nodes | 320,000 | 320,000 |
| Edges | 555,000 | 555,000 |

### Incremental Rebuilds

| Version | Engine | No-op (ms) | 1-file (ms) |
|---------|--------|----------:|-----------:|
| 2.5.1 | native | 3 ↓25% | 93 ↓4% |
| 2.5.1 | wasm | 4 ~ | 324 ~ |
| 2.5.1 | native | 4 ~ | 102 ↑5% |
| 2.5.1 | wasm | 5 ↑25% | 334 ↑3% |
| 2.5.0 | native | 4 | 97 |
| 2.5.0 | wasm | 4 ↓20% | 324 ↑69% |
| 2.4.0 | wasm | 5 | 192 |
Expand All @@ -78,8 +78,8 @@ Extrapolated linearly from per-file metrics above.

| Version | Engine | fn-deps (ms) | fn-impact (ms) | path (ms) | roles (ms) |
|---------|--------|------------:|--------------:|----------:|----------:|
| 2.5.1 | native | 1.8 ↓14% | 1.3 ↓19% | 1 ↓17% | 1 ↓9% |
| 2.5.1 | wasm | 1.8 ↓18% | 1.3 ↓19% | 1 ↓17% | 1.1 ~ |
| 2.5.1 | native | 2.3 ↑10% | 1.7 ↑6% | 1.2 ~ | 1.1 ~ |
| 2.5.1 | wasm | 2.3 ↑5% | 1.7 ↑6% | 1.3 ↑8% | 1.2 ↑9% |
| 2.5.0 | native | 2.1 | 1.6 | 1.2 | 1.1 |
| 2.5.0 | wasm | 2.2 ↑340% | 1.6 ↑220% | 1.2 | 1.1 ↑22% |
| 2.4.0 | wasm | 0.5 | 0.5 | null | 0.9 |
Expand Down Expand Up @@ -109,65 +109,65 @@ extractor is needed to recover the regression.
{
"version": "2.5.1",
"date": "2026-03-01",
"files": 126,
"files": 131,
"wasm": {
"buildTimeMs": 979,
"queryTimeMs": 3,
"nodes": 817,
"edges": 1393,
"dbSizeBytes": 696320,
"buildTimeMs": 1057,
"queryTimeMs": 3.6,
"nodes": 844,
"edges": 1458,
"dbSizeBytes": 712704,
"perFile": {
"buildTimeMs": 7.8,
"nodes": 6.5,
"buildTimeMs": 8.1,
"nodes": 6.4,
"edges": 11.1,
"dbSizeBytes": 5526
"dbSizeBytes": 5440
},
"noopRebuildMs": 4,
"oneFileRebuildMs": 324,
"noopRebuildMs": 5,
"oneFileRebuildMs": 334,
"queries": {
"fnDepsMs": 1.8,
"fnImpactMs": 1.3,
"pathMs": 1,
"rolesMs": 1.1
"fnDepsMs": 2.3,
"fnImpactMs": 1.7,
"pathMs": 1.3,
"rolesMs": 1.2
},
"phases": {
"parseMs": 621.1,
"insertMs": 16.7,
"resolveMs": 10.2,
"edgesMs": 60.5,
"structureMs": 7.2,
"rolesMs": 4.9,
"complexityMs": 232.5
"parseMs": 671.4,
"insertMs": 15.5,
"resolveMs": 13.9,
"edgesMs": 68.3,
"structureMs": 8,
"rolesMs": 5.4,
"complexityMs": 248.9
}
},
"native": {
"buildTimeMs": 236,
"queryTimeMs": 2.1,
"nodes": 817,
"edges": 1393,
"dbSizeBytes": 696320,
"buildTimeMs": 255,
"queryTimeMs": 3.1,
"nodes": 844,
"edges": 1458,
"dbSizeBytes": 712704,
"perFile": {
"buildTimeMs": 1.9,
"nodes": 6.5,
"nodes": 6.4,
"edges": 11.1,
"dbSizeBytes": 5526
"dbSizeBytes": 5440
},
"noopRebuildMs": 3,
"oneFileRebuildMs": 93,
"noopRebuildMs": 4,
"oneFileRebuildMs": 102,
"queries": {
"fnDepsMs": 1.8,
"fnImpactMs": 1.3,
"pathMs": 1,
"rolesMs": 1
"fnDepsMs": 2.3,
"fnImpactMs": 1.7,
"pathMs": 1.2,
"rolesMs": 1.1
},
"phases": {
"parseMs": 138.2,
"insertMs": 12.1,
"resolveMs": 5.5,
"edgesMs": 56.9,
"structureMs": 3.6,
"rolesMs": 4.7,
"complexityMs": 4.7
"parseMs": 140.5,
"insertMs": 14.2,
"resolveMs": 10.6,
"edgesMs": 60.6,
"structureMs": 3.9,
"rolesMs": 5.7,
"complexityMs": 5.4
}
}
},
Expand Down