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perf(alias): avoid per-resolve split("*") in AliasUtils scan

#529Merged
Comparing
claude/add-performance-benchmarks-d00HP
(
285bcb4
) with
main
(
6637632
)
CodSpeed Performance Gauge
+55%
Improvement
5
Untouched
50
New
1

Benchmarks

56 total
stack-churn: 4x60 alias chains, 20 resolves
benchmark/cases/stack-churn/index.bench.mjs
CodSpeed Performance Gauge
+55%
161.2 ms103.9 ms
pathological-deep-stack: alias chain of 50 (warm)
benchmark/cases/pathological-deep-stack/index.bench.mjs
CodSpeed Performance Gauge
+28%
24.5 ms19.1 ms
multiple-modules: shared + vendor + node_modules (warm)
benchmark/cases/multiple-modules/index.bench.mjs
CodSpeed Performance Gauge
+25%
1.7 ms1.4 ms
large-alias-list: 50+8 aliases, match near end
benchmark/cases/large-alias-list/index.bench.mjs
CodSpeed Performance Gauge
+24%
2.7 ms2.2 ms
deep-hierarchy: bare specifier from 10-deep dir (warm)
benchmark/cases/deep-hierarchy/index.bench.mjs
CodSpeed Performance Gauge
+21%
2.9 ms2.4 ms
alias-wildcard-scan: 100+1 wildcard + 1 exact
benchmark/cases/alias-wildcard-scan/index.bench.mjs
CodSpeed Performance Gauge
N/A
N/A3.9 ms
alias-realistic: @/path + @components aliases (warm)
benchmark/cases/alias-realistic/index.bench.mjs
CodSpeed Performance Gauge
+4%
5 ms4.8 ms
exports-field: conditions=require,node (warm)
benchmark/cases/exports-field/index.bench.mjs
CodSpeed Performance Gauge
+4%
2.4 ms2.3 ms
extension-alias: .js -> .ts (warm)
benchmark/cases/extension-alias/index.bench.mjs
CodSpeed Performance Gauge
+3%
1.4 ms1.3 ms
alias-field: browser field (warm)
benchmark/cases/alias-field/index.bench.mjs
CodSpeed Performance Gauge
+3%
1.5 ms1.5 ms
main-files: [main, entry, index] (warm)
benchmark/cases/main-files/index.bench.mjs
CodSpeed Performance Gauge
+2%
923 µs900.6 µs
deep-package-subpath: pkg/a/b/c requests (warm)
benchmark/cases/deep-package-subpath/index.bench.mjs
CodSpeed Performance Gauge
+2%
2.2 ms2.1 ms
array-alias: @ -> [preferred, fallback] (warm)
benchmark/cases/array-alias/index.bench.mjs
CodSpeed Performance Gauge
+2%
765.9 µs749.7 µs
tsconfig-paths: 5 path prefixes (warm)
benchmark/cases/tsconfig-paths/index.bench.mjs
CodSpeed Performance Gauge
+1%
3 ms3 ms
tsconfig-extends: 3-level extends chain (warm)
benchmark/cases/tsconfig-extends/index.bench.mjs
CodSpeed Performance Gauge
+1%
2.6 ms2.6 ms
prefer-relative: bare-as-relative (warm)
benchmark/cases/prefer-relative/index.bench.mjs
CodSpeed Performance Gauge
+1%
913.6 µs906 µs
node-compare: node import.meta.resolve x 1000
benchmark/cases/node-compare/index.bench.mjs
CodSpeed Performance Gauge
+1%
4.2 ms4.1 ms
enforce-extension: explicit .js requests (warm)
benchmark/cases/enforce-extension/index.bench.mjs
CodSpeed Performance Gauge
+1%
974.8 µs967.7 µs
node-compare: enhanced-resolve async x 1000 (fs + unsafeCache)
benchmark/cases/node-compare/index.bench.mjs
CodSpeed Performance Gauge
+1%
28.9 ms28.7 ms
fallback: node-builtin polyfill aliases (warm)
benchmark/cases/fallback/index.bench.mjs
CodSpeed Performance Gauge
+1%
1.4 ms1.4 ms
unsafe-cache: ON, 3x repeat
benchmark/cases/unsafe-cache/index.bench.mjs
CodSpeed Performance Gauge
+1%
987.1 µs981.3 µs
realistic-midsize: mixed batch (warm cache)
benchmark/cases/realistic-midsize/index.bench.mjs
CodSpeed Performance Gauge
+1%
3.2 ms3.2 ms
symlinks: follow symlinks=true (warm)
benchmark/cases/symlinks/index.bench.mjs
CodSpeed Performance Gauge
+1%
1.8 ms1.7 ms
node-compare: enhanced-resolve promise x 1000 (no cache)
benchmark/cases/node-compare/index.bench.mjs
CodSpeed Performance Gauge
0%
382.2 ms380.7 ms
restrictions: path prefix + regex (warm)
benchmark/cases/restrictions/index.bench.mjs
CodSpeed Performance Gauge
0%
1.1 ms1.1 ms

Commits

Click on a commit to change the comparison range
Base
main
6637632
+54.61%
perf(alias): avoid per-resolve split("*") in AliasUtils scan
e6d257d
2 days ago
by claude
+0.51%
Create neat-toys-serve.md
285bcb4
23 hours ago
by alexander-akait
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