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carlos-alm merged 2 commits into from
Mar 20, 2026
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docs: update build performance benchmarks (3.3.1) #549

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docs: update build performance benchmarks (3.3.1)
github-actions[bot] Mar 20, 2026
2376413
Merge branch 'main' into benchmark/build-v3.3.1-20260320-080845
carlos-alm Mar 20, 2026
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16 changes: 8 additions & 8 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -550,14 +550,14 @@ Self-measured on every release via CI ([build benchmarks](generated/benchmarks/B

| Metric | Latest |
|---|---|
| Build speed (native) | **3.5 ms/file** |
| Build speed (WASM) | **9.6 ms/file** |
| Query time | **3ms** |
| No-op rebuild (native) | **9ms** |
| 1-file rebuild (native) | **265ms** |
| Query: fn-deps | **0.9ms** |
| Query: path | **0.9ms** |
| ~50,000 files (est.) | **~175.0s build** |
| Build speed (native) | **6.1 ms/file** |
| Build speed (WASM) | **11.2 ms/file** |
| Query time | **7ms** |
| No-op rebuild (native) | **12ms** |
| 1-file rebuild (native) | **353ms** |
| Query: fn-deps | **1.4ms** |
| Query: path | **1.3ms** |
| ~50,000 files (est.) | **~305.0s 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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161 changes: 135 additions & 26 deletions generated/benchmarks/BUILD-BENCHMARKS.md
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Expand Up @@ -5,6 +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) |
|---------|--------|------|------:|----------------:|-----------:|-----------:|-----------:|----------------:|
| 3.3.1 | native | 2026-03-20 | 442 | 6.1 ↑74% | 7.1 ↑122% | 17.6 ↑31% | 36.5 ↑27% | 48707 ↑10% |
| 3.3.1 | wasm | 2026-03-20 | 442 | 11.2 ↑17% | 7.2 ↑57% | 17.5 ↑31% | 36.4 ↑26% | 47317 ↑10% |
| 3.1.4 | native | 2026-03-16 | 398 | 3.5 ↓31% | 3.2 ↓18% | 13.4 ↓26% | 28.8 ↓27% | 44469 ↓32% |
| 3.1.4 | wasm | 2026-03-16 | 398 | 9.6 ↓34% | 4.6 ↓16% | 13.4 ↓26% | 28.9 ↓27% | 42823 ↓32% |
| 3.1.3 | native | 2026-03-12 | 236 | 5.1 ~ | 3.9 ↓7% | 18 ~ | 39.4 ↑2% | 65553 ~ |
Expand Down Expand Up @@ -43,54 +45,56 @@ Metrics are normalized per file for cross-version comparability.

| Metric | Value |
|--------|-------|
| Build time | 1.4s |
| Query time | 3ms |
| Nodes | 5,325 |
| Edges | 11,466 |
| DB size | 16.9 MB |
| Files | 398 |
| Build time | 2.7s |
| Query time | 7ms |
| Nodes | 7,777 |
| Edges | 16,115 |
| DB size | 20.5 MB |
| Files | 442 |

#### WASM

| Metric | Value |
|--------|-------|
| Build time | 3.8s |
| Query time | 5ms |
| Nodes | 5,320 |
| Edges | 11,496 |
| DB size | 16.3 MB |
| Files | 398 |
| Build time | 5.0s |
| Query time | 7ms |
| Nodes | 7,752 |
| Edges | 16,103 |
| DB size | 19.9 MB |
| Files | 442 |

### Build Phase Breakdown (latest)

| Phase | Native (build) | WASM (build) | Native (1-file) | WASM (1-file) |
|-------|---------------:|-------------:|----------------:|--------------:|
| Parse | 467.8 ms | 1482.5 ms | 51.2 ms | 146.1 ms |
| Insert nodes | 142.5 ms | 147.5 ms | 12 ms | 13 ms |
| Resolve imports | 7.8 ms | 9.2 ms | 1.7 ms | 1.2 ms |
| Build edges | 88.1 ms | 151.6 ms | 13 ms | 17.4 ms |
| Structure | 12.5 ms | 16.6 ms | 13.1 ms | 13.2 ms |
| Roles | 29 ms | 32.3 ms | 27.2 ms | 35.4 ms |
| AST nodes | 361.3 ms | 347.4 ms | 0.4 ms | 0.2 ms |
| Complexity | 15.6 ms | 76.5 ms | 0.1 ms | 0.1 ms |
| CFG | 126.2 ms | 124.5 ms | 0.1 ms | 0.1 ms |
| Dataflow | 99.6 ms | 98.4 ms | 0.2 ms | 0.2 ms |
| Parse | 600.6 ms | 2123.4 ms | 56.6 ms | 200.5 ms |
| Insert nodes | 205.9 ms | 201.2 ms | 8.2 ms | 8.4 ms |
| Resolve imports | 11.9 ms | 12.8 ms | 1.6 ms | 1.6 ms |
| Build edges | 108.1 ms | 167 ms | 20.8 ms | 15.4 ms |
| Structure | 22 ms | 21.1 ms | 26.1 ms | 24.4 ms |
| Roles | 51.9 ms | 51.8 ms | 54.1 ms | 54.5 ms |
| AST nodes | 392.7 ms | 397.2 ms | 0.2 ms | 0.2 ms |
| Complexity | 170.6 ms | 215.5 ms | 0.1 ms | 0.1 ms |
| CFG | 161 ms | 154.8 ms | 0.1 ms | 0.1 ms |
| Dataflow | 125 ms | 128.8 ms | 0.1 ms | 0.2 ms |

### Estimated performance at 50,000 files

Extrapolated linearly from per-file metrics above.

| Metric | Native (Rust) | WASM |
|--------|---:|---:|
| Build time | 175.0s | 480.0s |
| DB size | 2120.4 MB | 2042.0 MB |
| Nodes | 670,000 | 670,000 |
| Edges | 1,440,000 | 1,445,000 |
| Build time | 305.0s | 560.0s |
| DB size | 2322.5 MB | 2256.3 MB |
| Nodes | 880,000 | 875,000 |
| Edges | 1,825,000 | 1,820,000 |

### Incremental Rebuilds

| Version | Engine | No-op (ms) | 1-file (ms) |
|---------|--------|----------:|-----------:|
| 3.3.1 | native | 12 ↑33% | 353 ↑33% |
| 3.3.1 | wasm | 12 ↑20% | 506 ↑35% |
| 3.1.4 | native | 9 ↑50% | 265 ↓6% |
| 3.1.4 | wasm | 10 ↑67% | 375 ↓24% |
| 3.1.3 | native | 6 ~ | 282 ↓5% |
Expand Down Expand Up @@ -121,6 +125,8 @@ Extrapolated linearly from per-file metrics above.

| Version | Engine | fn-deps (ms) | fn-impact (ms) | path (ms) | roles (ms) |
|---------|--------|------------:|--------------:|----------:|----------:|
| 3.3.1 | native | 1.4 ↑56% | 1.4 ↑56% | 1.3 ↑44% | 15.1 ↑50% |
| 3.3.1 | wasm | 1.3 ↑44% | 1.4 ↑40% | 1.3 ↑44% | 14.8 ↑53% |
| 3.1.4 | native | 0.9 ~ | 0.9 ↑12% | 0.9 ↑12% | 10.1 ↑36% |
| 3.1.4 | wasm | 0.9 ↑12% | 1 ↑11% | 0.9 ↑12% | 9.7 ↑26% |
| 3.1.3 | native | 0.9 ↑12% | 0.8 ~ | 0.8 ~ | 7.4 ↓14% |
Expand Down Expand Up @@ -188,6 +194,109 @@ pre-parse that previously added ~388ms on native builds.

<!-- BENCHMARK_DATA
[
{
"version": "3.3.1",
"date": "2026-03-20",
"files": 442,
"wasm": {
"buildTimeMs": 4972,
"queryTimeMs": 7.2,
"nodes": 7752,
"edges": 16103,
"dbSizeBytes": 20914176,
"perFile": {
"buildTimeMs": 11.2,
"nodes": 17.5,
"edges": 36.4,
"dbSizeBytes": 47317
},
"noopRebuildMs": 12,
"oneFileRebuildMs": 506,
"oneFilePhases": {
"setupMs": 2.1,
"parseMs": 200.5,
"insertMs": 8.4,
"resolveMs": 1.6,
"edgesMs": 15.4,
"structureMs": 24.4,
"rolesMs": 54.5,
"astMs": 0.2,
"complexityMs": 0.1,
"cfgMs": 0.1,
"dataflowMs": 0.2,
"finalizeMs": 13.6
},
"queries": {
"fnDepsMs": 1.3,
"fnImpactMs": 1.4,
"pathMs": 1.3,
"rolesMs": 14.8
},
"phases": {
"setupMs": 22.9,
"parseMs": 2123.4,
"insertMs": 201.2,
"resolveMs": 12.8,
"edgesMs": 167,
"structureMs": 21.1,
"rolesMs": 51.8,
"astMs": 397.2,
"complexityMs": 215.5,
"cfgMs": 154.8,
"dataflowMs": 128.8,
"finalizeMs": 48.1
}
},
"native": {
"buildTimeMs": 2716,
"queryTimeMs": 7.1,
"nodes": 7777,
"edges": 16115,
"dbSizeBytes": 21528576,
"perFile": {
"buildTimeMs": 6.1,
"nodes": 17.6,
"edges": 36.5,
"dbSizeBytes": 48707
},
"noopRebuildMs": 12,
"oneFileRebuildMs": 353,
"oneFilePhases": {
"setupMs": 1.9,
"parseMs": 56.6,
"insertMs": 8.2,
"resolveMs": 1.6,
"edgesMs": 20.8,
"structureMs": 26.1,
"rolesMs": 54.1,
"astMs": 0.2,
"complexityMs": 0.1,
"cfgMs": 0.1,
"dataflowMs": 0.1,
"finalizeMs": 9.2
},
"queries": {
"fnDepsMs": 1.4,
"fnImpactMs": 1.4,
"pathMs": 1.3,
"rolesMs": 15.1
},
"phases": {
"setupMs": 20.7,
"parseMs": 600.6,
"insertMs": 205.9,
"resolveMs": 11.9,
"edgesMs": 108.1,
"structureMs": 22,
"rolesMs": 51.9,
"astMs": 392.7,
"complexityMs": 170.6,
"cfgMs": 161,
"dataflowMs": 125,
"finalizeMs": 46.9
}
}
},
{
"version": "3.1.4",
"date": "2026-03-16",
Expand Down
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