Add benchmarking to PRs

[JakeLane]

Motivation

Provide relevant context and motivation behind the change, if any

Changes

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Checklist

• Existing or new tests cover this change
• There is a changeset for this change, or one is not required
• Added documentation for any new features to the docs/ folder

[changeset-bot]

⚠️ No Changeset found

Latest commit: 2831d95

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions]

📊 Type Coverage Report

Coverage Comparison

Metric	Baseline	Current	Change
Coverage Percentage	91.95%	92.00%	📈 +0.05%
Correctly Typed	197,867	199,997	+2,130
Total Expressions	215,170	217,368	+2,198
Untyped Expressions	17,303	17,371	+68

Files with Most Type Issues (Top 15)

File	Issues	Affected Lines
packages/core/integration-tests/test/javascript.ts	983	648
packages/core/integration-tests/test/cache.ts	885	626
packages/core/integration-tests/test/scope-hoisting.ts	623	490
packages/utils/node-resolver-core/test/resolver.ts	476	177
packages/core/integration-tests/test/html.ts	468	294
packages/core/integration-tests/test/sourcemaps.ts	356	176
packages/core/test-utils/src/utils.ts	330	205
packages/core/integration-tests/test/incremental-bundling.ts	298	206
packages/core/core/src/dumpGraphToGraphViz.ts	251	108
packages/core/integration-tests/test/output-formats.ts	227	161
packages/transformers/webextension/src/WebExtensionTransformer.ts	210	80
packages/core/integration-tests/test/react-refresh.ts	197	71
packages/core/integration-tests/test/css-modules.ts	191	107
packages/core/core/src/requests/TargetRequest.ts	190	133
packages/core/integration-tests/test/babel.ts	187	115

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This report was generated by the Type Coverage GitHub Action

[github-actions]

📊 Benchmark Results

✅ No significant performance changes detected.

📊 Benchmark Results

Overall Performance

Test	Duration	JS Memory Peak	Native Memory Peak	vs Baseline	Status
Three.js Real Repository	17.93s	1.42GB	1.41GB	N/A	⚪ New

🔍 Detailed Phase Analysis

Three.js Real Repository

Phase	Duration (avg)	Duration (p95)	Memory Peak (avg)	Memory Peak (p95)
resolving	4.57s	4.64s	1.04GB	1.07GB
transforming	4.59s	4.67s	1.04GB	1.07GB
bundling	4.45s	4.52s	1.04GB	1.08GB
bundled	4.20s	4.22s	1.11GB	1.14GB
packaging	2.97s	3.01s	1.15GB	1.18GB
optimizing	2.87s	2.91s	1.42GB	1.47GB

💾 Unified Memory Analysis

Three.js Real Repository Memory Statistics

Memory Type	Metric	Min	Mean	Median	P95	P99	Max	Std Dev
JavaScript	RSS	978.54MB	1.21GB	1.37GB	1.47GB	1.47GB	1.47GB	213.65MB
	Heap Used	49.05MB	50.95MB	50.68MB	55.86MB	55.86MB	55.86MB	2.29MB
	Heap Total	89.68MB	93.35MB	93.93MB	96.93MB	96.93MB	96.93MB	2.53MB
	External	61.86MB	79.51MB	97.05MB	97.31MB	97.31MB	97.31MB	17.63MB
Native (Rust)	Physical Memory	924.23MB	1.07GB	1.06GB	1.18GB	1.34GB	1.41GB	74.42MB
	Virtual Memory	28.98GB	29.63GB	29.63GB	29.73GB	29.87GB	29.93GB	106.91MB

Sample Counts: JS: 6, Native: 320

🖥️ Environment

• Node.js: v22.17.0
• Platform: linux (x64)
• CPU: AMD EPYC 7763 64-Core Processor
• Total Memory: 15.62GB
• Git SHA: 2831d95
• Branch: benchmark-reports-wip
• Timestamp: 2025-11-05T00:44:49.542Z