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carlos-alm merged 2 commits into from
Apr 6, 2026
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docs: update build performance benchmarks (3.9.1) #880

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baeb937
docs: update build performance benchmarks (3.9.1)
github-actions[bot] Apr 6, 2026
db7a202
Merge branch 'main' into benchmark/build-v3.9.1-20260406-070159
carlos-alm Apr 6, 2026
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26 changes: 12 additions & 14 deletions README.md
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Expand Up @@ -588,21 +588,19 @@ Codegraph also extracts symbols from common callback patterns: Commander `.comma

Self-measured on every release via CI ([build benchmarks](generated/benchmarks/BUILD-BENCHMARKS.md) | [embedding benchmarks](generated/benchmarks/EMBEDDING-BENCHMARKS.md) | [query benchmarks](generated/benchmarks/QUERY-BENCHMARKS.md) | [incremental benchmarks](generated/benchmarks/INCREMENTAL-BENCHMARKS.md) | [resolution precision/recall](tests/benchmarks/resolution/)):

*Last updated: v3.9.0 (2026-04-04)*
*Last updated: v3.9.1 (2026-04-06)*

| Metric | Latest |
|---|---|
| Build speed (native) | **12.8 ms/file** |
| Build speed (WASM) | **13.1 ms/file** |
| Query time (native) | **30ms** |
| Query time (WASM) | **31ms** |
| No-op rebuild (native) | **8ms** |
| 1-file rebuild (native) | **562ms** |
| Query: fn-deps | **2.1ms** |
| Query: path | **2.2ms** |
| ~50,000 files (est.) | **~640.0s build** |
| Resolution precision | **100.0%** |
| Resolution recall | **64.5%** |
| Metric | Native | WASM |
|---|---|---|
| Build speed | **10.2 ms/file** | **13.7 ms/file** |
| Query time | **23ms** | **36ms** |
| No-op rebuild | **17ms** | **15ms** |
| 1-file rebuild | **767ms** | **639ms** |
| Query: fn-deps | **2.2ms** | **2.2ms** |
| Query: path | **2.2ms** | **2.2ms** |
| ~50,000 files (est.) | **~510.0s build** | **~685.0s build** |
| Resolution precision | **100.0%** | — |
| Resolution recall | **71.1%** | — |

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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205 changes: 179 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) |
|---------|--------|------|------:|----------------:|-----------:|-----------:|-----------:|----------------:|
| 3.9.1 | native | 2026-04-06 | 570 | 10.2 ↓20% | 23.4 ↓23% | 28.1 ↑3% | 56.9 ↑5% | 48433 ↑8% |
| 3.9.1 | wasm | 2026-04-06 | 570 | 13.7 ↑5% | 35.6 ↑16% | 28.1 ↑3% | 56.9 ↑5% | 45717 ↑2% |
| 3.9.0 | native | 2026-04-04 | 567 | 12.8 ↓4% | 30.4 ↑5% | 27.3 ~ | 54 ↑14% | 44666 ↑2% |
| 3.9.0 | wasm | 2026-04-04 | 567 | 13.1 ↓4% | 30.6 ↓4% | 27.3 ~ | 54 ~ | 44623 ↑5% |
| 3.8.1 | native | 2026-04-03 | 565 | 13.3 ↑533% | 28.9 ↑113% | 27 ↑4% | 47.5 ↑5% | 43693 ↑42% |
Expand Down Expand Up @@ -57,54 +59,56 @@ Metrics are normalized per file for cross-version comparability.

| Metric | Value |
|--------|-------|
| Build time | 7.3s |
| Query time | 30ms |
| Nodes | 15,483 |
| Edges | 30,609 |
| DB size | 24.2 MB |
| Files | 567 |
| Build time | 5.8s |
| Query time | 23ms |
| Nodes | 16,031 |
| Edges | 32,445 |
| DB size | 26.3 MB |
| Files | 570 |

#### WASM

| Metric | Value |
|--------|-------|
| Build time | 7.5s |
| Query time | 31ms |
| Nodes | 15,483 |
| Edges | 30,610 |
| DB size | 24.1 MB |
| Files | 567 |
| Build time | 7.8s |
| Query time | 36ms |
| Nodes | 16,031 |
| Edges | 32,445 |
| DB size | 24.9 MB |
| Files | 570 |

### Build Phase Breakdown (latest)

| Phase | Native (build) | WASM (build) | Native (1-file) | WASM (1-file) |
|-------|---------------:|-------------:|----------------:|--------------:|
| Parse | 572.6 ms | 3079.6 ms | 50.2 ms | 258.2 ms |
| Insert nodes | 327.4 ms | 336.9 ms | 25.8 ms | 19.3 ms |
| Resolve imports | 3.6 ms | 19.6 ms | 0.9 ms | 1.8 ms |
| Build edges | 168.6 ms | 211 ms | 26.2 ms | 26.9 ms |
| Structure | 54.1 ms | 54.9 ms | 151.7 ms | 28.3 ms |
| Roles | 67.2 ms | 73.2 ms | 65.6 ms | 53.7 ms |
| AST nodes | 246.1 ms | 240 ms | 20.4 ms | 0.6 ms |
| Complexity | 399.7 ms | 420.1 ms | 4.8 ms | 0.7 ms |
| CFG | 541.8 ms | 496.1 ms | 27.7 ms | 0.4 ms |
| Dataflow | 296 ms | 195.9 ms | 15.3 ms | 0.5 ms |
| Parse | 3382.4 ms | 3103.6 ms | 338.9 ms | 272.6 ms |
| Insert nodes | 406.8 ms | 346.4 ms | 49 ms | 20.8 ms |
| Resolve imports | 14.1 ms | 15.8 ms | 2.2 ms | 1.9 ms |
| Build edges | 234.5 ms | 218.1 ms | 49.8 ms | 31.5 ms |
| Structure | 49.6 ms | 62.3 ms | 28.7 ms | 31.6 ms |
| Roles | 86.8 ms | 84.9 ms | 80.7 ms | 83.1 ms |
| AST nodes | 283.3 ms | 730.3 ms | 11.9 ms | 1.4 ms |
| Complexity | 61.7 ms | 1077.6 ms | 0.3 ms | 0.7 ms |
| CFG | 309.7 ms | 1076.7 ms | 0.7 ms | 0.4 ms |
| Dataflow | 904 ms | 834.7 ms | 0.3 ms | 0.6 ms |

### Estimated performance at 50,000 files

Extrapolated linearly from per-file metrics above.

| Metric | Native (Rust) | WASM |
|--------|---:|---:|
| Build time | 640.0s | 655.0s |
| DB size | 2129.8 MB | 2127.8 MB |
| Nodes | 1,365,000 | 1,365,000 |
| Edges | 2,700,000 | 2,700,000 |
| Build time | 510.0s | 685.0s |
| DB size | 2309.5 MB | 2180.0 MB |
| Nodes | 1,405,000 | 1,405,000 |
| Edges | 2,845,000 | 2,845,000 |

### Incremental Rebuilds

| Version | Engine | No-op (ms) | 1-file (ms) |
|---------|--------|----------:|-----------:|
| 3.9.1 | native | 17 ↑113% | 767 ↑36% |
| 3.9.1 | wasm | 15 ~ | 639 ↑14% |
| 3.9.0 | native | 8 ~ | 562 ↑1238% |
| 3.9.0 | wasm | 15 ↓6% | 559 ↓7% |
| 3.8.1 | native | 8 ~ | 42 ↑27% |
Expand Down Expand Up @@ -149,6 +153,8 @@ Extrapolated linearly from per-file metrics above.

| Version | Engine | fn-deps (ms) | fn-impact (ms) | path (ms) | roles (ms) |
|---------|--------|------------:|--------------:|----------:|----------:|
| 3.9.1 | native | 2.2 ↑5% | 2.3 ↑5% | 2.2 ~ | 25.5 ~ |
| 3.9.1 | wasm | 2.2 ↑5% | 2.2 ~ | 2.2 ↑5% | 26.3 ~ |
| 3.9.0 | native | 2.1 ↓5% | 2.2 ~ | 2.2 ~ | 25.9 ↓13% |
| 3.9.0 | wasm | 2.1 ↓5% | 2.2 ~ | 2.1 ↓5% | 26.6 ↓6% |
| 3.8.1 | native | 2.2 ↓12% | 2.2 ~ | 2.2 ↑5% | 29.7 ~ |
Expand Down Expand Up @@ -246,6 +252,153 @@ pre-parse that previously added ~388ms on native builds.

<!-- BENCHMARK_DATA
[
{
"version": "3.9.1",
"date": "2026-04-06",
"files": 570,
"wasm": {
"buildTimeMs": 7793,
"queryTimeMs": 35.6,
"nodes": 16031,
"edges": 32445,
"dbSizeBytes": 26058752,
"perFile": {
"buildTimeMs": 13.7,
"nodes": 28.1,
"edges": 56.9,
"dbSizeBytes": 45717
},
"noopRebuildMs": 15,
"oneFileRebuildMs": 639,
"oneFilePhases": {
"setupMs": 1.1,
"parseMs": 272.6,
"insertMs": 20.8,
"resolveMs": 1.9,
"edgesMs": 31.5,
"structureMs": 31.6,
"rolesMs": 83.1,
"astMs": 1.4,
"complexityMs": 0.7,
"cfgMs": 0.4,
"dataflowMs": 0.6,
"finalizeMs": 5.2
},
"queries": {
"fnDepsMs": 2.2,
"fnImpactMs": 2.2,
"pathMs": 2.2,
"rolesMs": 26.3
},
"phases": {
"setupMs": 86.6,
"parseMs": 3103.6,
"insertMs": 346.4,
"resolveMs": 15.8,
"edgesMs": 218.1,
"structureMs": 62.3,
"rolesMs": 84.9,
"astMs": 730.3,
"complexityMs": 1077.6,
"cfgMs": 1076.7,
"dataflowMs": 834.7,
"finalizeMs": 52.2
}
},
"native": {
"buildTimeMs": 5819,
"queryTimeMs": 23.4,
"nodes": 16031,
"edges": 32445,
"dbSizeBytes": 27607040,
"perFile": {
"buildTimeMs": 10.2,
"nodes": 28.1,
"edges": 56.9,
"dbSizeBytes": 48433
},
"noopRebuildMs": 17,
"oneFileRebuildMs": 767,
"oneFilePhases": {
"setupMs": 3.2,
"parseMs": 338.9,
"insertMs": 49,
"resolveMs": 2.2,
"edgesMs": 49.8,
"structureMs": 28.7,
"rolesMs": 80.7,
"astMs": 11.9,
"complexityMs": 0.3,
"cfgMs": 0.7,
"dataflowMs": 0.3,
"finalizeMs": 0.9
},
"queries": {
"fnDepsMs": 2.2,
"fnImpactMs": 2.3,
"pathMs": 2.2,
"rolesMs": 25.5
},
"phases": {
"setupMs": 25.6,
"parseMs": 3382.4,
"insertMs": 406.8,
"resolveMs": 14.1,
"edgesMs": 234.5,
"structureMs": 49.6,
"rolesMs": 86.8,
"astMs": 283.3,
"complexityMs": 61.7,
"cfgMs": 309.7,
"dataflowMs": 904,
"finalizeMs": 5.6
}
},
"resolution": {
"javascript": {
"precision": 1,
"recall": 0.667,
"truePositives": 12,
"falsePositives": 0,
"falseNegatives": 6,
"totalResolved": 12,
"totalExpected": 18,
"byMode": {
"static": {
"expected": 12,
"resolved": 9,
"recall": 0.75
},
"receiver-typed": {
"expected": 6,
"resolved": 3,
"recall": 0.5
}
}
},
"typescript": {
"precision": 1,
"recall": 0.75,
"truePositives": 15,
"falsePositives": 0,
"falseNegatives": 5,
"totalResolved": 15,
"totalExpected": 20,
"byMode": {
"static": {
"expected": 9,
"resolved": 9,
"recall": 1
},
"receiver-typed": {
"expected": 11,
"resolved": 6,
"recall": 0.5454545454545454
}
}
}
}
},
{
"version": "3.9.0",
"date": "2026-04-04",
Expand Down
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