perf: speed up swc_ecma_codegen JsWriter hot path
#11870Comparing
hardfist:codex/ecma-codegen-10pct-speedup
(9ac84bc
) withmain
(aa5b539
)+10%
- Improvement
- 19
- Untouched
- 200
- Ignored
- 1
- Skipped
- 31
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
251 total
es/large/codegen/es2017
crates/swc/benches/typescript.rs::benches::codegen_group+18%
34 ms28.8 ms
es/large/codegen/es2019
crates/swc/benches/typescript.rs::benches::codegen_group+18%
33.9 ms28.9 ms
es/large/codegen/es2018
crates/swc/benches/typescript.rs::benches::codegen_group+18%
34 ms28.9 ms
es/large/codegen/es3
crates/swc/benches/typescript.rs::benches::codegen_group+18%
33.9 ms28.8 ms
es/large/codegen/es2020
crates/swc/benches/typescript.rs::benches::codegen_group+18%
34 ms28.9 ms
es/large/codegen/es5
crates/swc/benches/typescript.rs::benches::codegen_group+18%
33.9 ms28.9 ms
es/large/codegen/es2016
crates/swc/benches/typescript.rs::benches::codegen_group+18%
33.9 ms28.9 ms
es/large/codegen/es2015
crates/swc/benches/typescript.rs::benches::codegen_group+18%
33.9 ms28.9 ms
es/codegen/large
crates/swc_ecma_codegen/benches/bench.rs::benches::bench_cases+15%
641.5 µs556.1 µs
es/codegen/with-parser/large
crates/swc_ecma_codegen/benches/with_parse.rs::benches::bench_cases+9%
1,062.7 µs976.7 µs
es/codegen/colors
crates/swc_ecma_codegen/benches/bench.rs::benches::bench_cases+6%
71.9 µs68 µs
es/codegen/with-parser/colors
crates/swc_ecma_codegen/benches/with_parse.rs::benches::bench_cases+3%
149.9 µs145.4 µs
es/oxc/benches/assets/table.tsx/sourceMap=true/reactDev=true
crates/swc/benches/oxc.rs::benches::full_group+3%
8.1 ms7.9 ms
es/oxc/benches/assets/parser.ts/sourceMap=true/reactDev=true
crates/swc/benches/oxc.rs::benches::full_group+2%
83.5 ms81.5 ms
es/oxc/benches/assets/table.tsx/sourceMap=true/reactDev=false
crates/swc/benches/oxc.rs::benches::full_group+2%
7.3 ms7.2 ms
es/oxc/benches/assets/parser.ts/sourceMap=true/reactDev=false
crates/swc/benches/oxc.rs::benches::full_group+2%
83.5 ms81.5 ms
es/oxc/benches/assets/renderer.ts/sourceMap=true/reactDev=true
crates/swc/benches/oxc.rs::benches::full_group+2%
13.6 ms13.3 ms
es/oxc/benches/assets/renderer.ts/sourceMap=true/reactDev=false
crates/swc/benches/oxc.rs::benches::full_group+2%
13.6 ms13.3 ms
es/oxc/benches/assets/UserSettings.tsx/sourceMap=true/reactDev=false
crates/swc/benches/oxc.rs::benches::full_group+2%
1.2 ms1.2 ms
es/oxc/benches/assets/UserSettings.tsx/sourceMap=true/reactDev=true
crates/swc/benches/oxc.rs::benches::full_group+2%
1.3 ms1.3 ms
es/large/minify/libraries/terser
crates/swc/benches/minify.rs::benches::files_group::es/large/minify/libraries+2%
460.5 ms452.3 ms
es/lints/libs/three
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs+2%
50.9 ms50 ms
es/large/minify/libraries/three
crates/swc/benches/minify.rs::benches::files_group::es/large/minify/libraries+2%
820.9 ms808.2 ms
es/large/minify/libraries/typescript
crates/swc/benches/minify.rs::benches::files_group::es/large/minify/libraries+2%
4.6 s4.5 s
es/large/minify/libraries/echarts
crates/swc/benches/minify.rs::benches::files_group::es/large/minify/libraries+1%
2 s1.9 s
Commits
Click on a commit to change the comparison rangeBase
main
aa5b539
+10.18%
perf(ecma_codegen): streamline write hot path branching
5145cc0
2 months ago
by hardfist-10.18%
Merge remote-tracking branch 'origin/main' into codex/ecma-codegen-10pct-speedup
b425240
2 months ago
by hardfist+9.83%
fix(ecma_codegen): remove stale srcmap hash dedupe path
9ac84bc
2 months ago
by hardfist