perf(es/parser): micro-optimize parser hot paths
#11859Comparing
hardfist:codex/ecma-parser-micro-optimize
(ae6ab6d
) withmain
(2ab1b8a
)+3%
- Improvement
- 11
- Untouched
- 208
- Ignored
- 1
- Skipped
- 31
No successful run was found on main ( 4c44d5d) during the generation of this report, so 2ab1b8a was used instead as the comparison base. There might be some changes unrelated to this pull request in this report.
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/parser
crates/swc/benches/typescript.rs::benches::parser_group+4%
36.3 ms35 ms
typescript/fast-strip
crates/swc_ts_fast_strip/benches/assets.rs::benches::fast_ts+3%
403 µs389.5 µs
es/parser/typescript
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
317.8 ms308.2 ms
es/parser/jquery
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
11.6 ms11.3 ms
es/parser/jquery mobile
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
17.9 ms17.4 ms
es/parser/angular
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
14.4 ms14 ms
es/parser/underscore
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
2 ms1.9 ms
es/parser/three
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
56 ms54.6 ms
es/parser/mootools
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+3%
9 ms8.8 ms
es/parser/yui
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+2%
8.9 ms8.7 ms
es/parser/backbone
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+2%
2.3 ms2.2 ms
es/large/all/es2018
crates/swc/benches/typescript.rs::benches::full_group+2%
112.8 ms110.6 ms
es/large/all/es2019
crates/swc/benches/typescript.rs::benches::full_group+2%
112.7 ms110.9 ms
es/parser/cal-com
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+2%
45.8 ms45.2 ms
es/large/all/es2020
crates/swc/benches/typescript.rs::benches::full_group+1%
110.1 ms108.5 ms
es/large/all/es2017
crates/swc/benches/typescript.rs::benches::full_group+1%
113.6 ms112 ms
es/lints/libs/three
crates/swc_ecma_lints/benches/all.rs::files::bench_files::es/lints/libs+1%
50.6 ms49.9 ms
es/oxc/benches/assets/parser.ts/sourceMap=false/reactDev=true
crates/swc/benches/oxc.rs::benches::full_group+1%
48.8 ms48.2 ms
es/minifier/libs/terser
crates/swc_ecma_minifier/benches/full.rs::bench_all::bench_libs::es/minifier/libs+1%
327.9 ms324 ms
es/oxc/benches/assets/parser.ts/sourceMap=false/reactDev=false
crates/swc/benches/oxc.rs::benches::full_group+1%
48.8 ms48.2 ms
es/large/all/es3
crates/swc/benches/typescript.rs::benches::full_group+1%
180.7 ms178.7 ms
es/parser/colors
crates/swc_ecma_parser/benches/parser.rs::benches::bench_files+1%
73.2 µs72.4 µs
es/preset-env/usage/property
crates/swc_ecma_preset_env/benches/polyfills.rs::benches::bench_cases+1%
95.6 µs94.6 µs
es/oxc/benches/assets/renderer.ts/sourceMap=false/reactDev=true
crates/swc/benches/oxc.rs::benches::full_group+1%
8.4 ms8.3 ms
es/oxc/benches/assets/renderer.ts/sourceMap=false/reactDev=false
crates/swc/benches/oxc.rs::benches::full_group+1%
8.4 ms8.3 ms
Commits
Click on a commit to change the comparison rangeBase
main
2ab1b8a
+0.01%
chore: ignore optimization artifacts
25b2b1f
8 hours ago
by hardfist+2.95%
perf(es/parser): optimize parser hot paths
ef0a842
5 hours ago
by hardfist+0.23%
perf(es/parser): avoid moving boxed expr checks
6212835
2 hours ago
by hardfist-3.3%
perf(es/parser): simplify unary prefix token check
d10b5e4
2 hours ago
by hardfist+2.88%
perf(es/parser): fast path primary identifiers
5016fa2
2 hours ago
by hardfist-0.02%
perf(es/parser): skip plain calls in no-call subscript parse
e2a78b4
2 hours ago
by hardfist+0.07%
perf(es/parser): narrow no-call subscript start check
ae6ab6d
2 hours ago
by hardfist