perf: faster getPaths/basename/isSubPath + per-fs getPaths cache
#535Comparing
claude/search-perf-improvements-GXYWT
(f86e4ee
) withmain
(1c52e71
)-48%
- Improvement
- 2
- Regression
- 2
- Untouched
- 63
- New
- 2
Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments, which may affect the accuracy of the results. Learn more about regression causes.Benchmarks
69 total
cache-predicate: mixed cached/uncached requests (warm)
benchmark/cases/cache-predicate/index.bench.mjs-48%
2.2 ms4.2 ms
main-files: [main, entry, index] (warm)
benchmark/cases/main-files/index.bench.mjs-24%
925.6 µs1,223.8 µs
tsconfig-paths: 5 path prefixes (warm)
benchmark/cases/tsconfig-paths/index.bench.mjs+23%
3.3 ms2.7 ms
realistic-midsize: mixed batch (cold cache)
benchmark/cases/realistic-midsize/index.bench.mjs+15%
8.2 ms7.1 ms
is-sub-path: all-pairs parent × request (no trailing sep)
benchmark/cases/is-sub-path/index.bench.mjsN/A
N/A1.7 ms
is-sub-path: all-pairs parent (trailing sep) × request
benchmark/cases/is-sub-path/index.bench.mjsN/A
N/A1.8 ms
tsconfig-extends: 3-level extends chain (warm)
benchmark/cases/tsconfig-extends/index.bench.mjs+9%
2.6 ms2.4 ms
node-compare: enhanced-resolve sync x 1000 (fs cache)
benchmark/cases/node-compare/index.bench.mjs+4%
87.8 ms84.1 ms
deep-package-subpath: pkg/a/b/c requests (warm)
benchmark/cases/deep-package-subpath/index.bench.mjs+4%
2.1 ms2.1 ms
exports-patterns-many: 6 prefixes x 4 leaves (warm)
benchmark/cases/exports-patterns-many/index.bench.mjs+3%
5.2 ms5 ms
exports-field: conditions=require,node (warm)
benchmark/cases/exports-field/index.bench.mjs+3%
2.3 ms2.2 ms
unsafe-cache: ON, 3x repeat
benchmark/cases/unsafe-cache/index.bench.mjs+3%
973.1 µs943.4 µs
deep-hierarchy: bare specifier from 10-deep dir (warm)
benchmark/cases/deep-hierarchy/index.bench.mjs+3%
2.4 ms2.3 ms
node-compare: enhanced-resolve promise x 1000 (fs cache)
benchmark/cases/node-compare/index.bench.mjs+3%
160.7 ms156.3 ms
mixed-conditions: 4 condition sets against nested exports
benchmark/cases/mixed-conditions/index.bench.mjs+3%
1.1 ms1.1 ms
unsafe-cache-key-build: 48 distinct requests, 3x pass, cached
benchmark/cases/unsafe-cache-key-build/index.bench.mjs+3%
5.8 ms5.7 ms
exports-field: conditions=import,node (warm)
benchmark/cases/exports-field/index.bench.mjs+3%
2.8 ms2.7 ms
fallback: node-builtin polyfill aliases (warm)
benchmark/cases/fallback/index.bench.mjs+3%
1.4 ms1.3 ms
modules-flat-addrs: 8-deep dir × 4 modules, 4 bare resolves
benchmark/cases/modules-flat-addrs/index.bench.mjs+3%
2.7 ms2.6 ms
node-compare: enhanced-resolve async x 1000 (fs cache)
benchmark/cases/node-compare/index.bench.mjs+2%
162.7 ms158.7 ms
realistic-midsize: mixed batch (warm cache)
benchmark/cases/realistic-midsize/index.bench.mjs+2%
3.2 ms3.1 ms
failed-resolution: missing files + packages
benchmark/cases/failed-resolution/index.bench.mjs+2%
1.8 ms1.7 ms
query-fragment: ?query + #fragment mix (warm)
benchmark/cases/query-fragment/index.bench.mjs+2%
1.8 ms1.8 ms
main-field: browser/module/main combos (warm)
benchmark/cases/main-field/index.bench.mjs+2%
1.3 ms1.3 ms
sync-resolver: resolveSync mixed batch (warm)
benchmark/cases/sync-resolver/index.bench.mjs+1%
706.9 µs696.8 µs
Commits
Click on a commit to change the comparison rangeBase
main
1c52e71
-47.09%
perf: collapse doResolve intermediate context + keep prior hot-path wins
3ebcc7e
18 hours ago
by claude-0.87%
perf: revert Resolver.isDirectory charCode change
0ab316d
17 hours ago
by claude-0.47%
perf: revert createInnerContext + findMatch changes — CodSpeed regressions
c70be4d
17 hours ago
by claude+0.08%
perf: short-circuit parseIdentifier FILE_REG_EXP by first-char charCode
f86e4ee
17 hours ago
by claude