06-04-refactor_parser_rewrite_arrow_function_parsing_to_be_lookahead-free - Branch - oxc-project/oxc

oxc-project

oxc

Instrumentation

Wall Time

Blog Docs Changelog

refactor(parser): rewrite arrow function parsing to remove rewind in hot paths

#11483Closed

Comparing

06-04-refactor_parser_rewrite_arrow_function_parsing_to_be_lookahead-free

(

08d8634

) with

main

(

bfa05f2

)

-11%

Improvements: 0

Regressions: 3

Untouched: 35

New: 0

Dropped: 0

Ignored: 0

Benchmarks

Failed

mangler[cal.com.tsx]Regression

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler::mangler[cal.com.tsx]

-11%

2.7 ms

3.1 ms

parser[binder.ts]Regression

tasks/benchmark/benches/parser.rs::parser::bench_parser::parser[binder.ts]

-5%

3.4 ms

3.6 ms

parser[react.development.js]Regression

tasks/benchmark/benches/parser.rs::parser::bench_parser::parser[react.development.js]

-6%

1.4 ms

Passed

transformer[cal.com.tsx]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer::transformer[cal.com.tsx]

+1%

24.7 ms

24.5 ms

transformer[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer::transformer[RadixUIAdoptionSection.jsx]

+1%

129.9 µs

129.1 µs

minifier[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier::minifier[RadixUIAdoptionSection.jsx]

65.8 µs

65.5 µs

transformer[binder.ts]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer::transformer[binder.ts]

1.5 ms

mangler[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler::mangler[RadixUIAdoptionSection.jsx]

14.3 µs

codegen[cal.com.tsx]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen::codegen[cal.com.tsx]

38.9 ms

38.8 ms

mangler[react.development.js]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler::mangler[react.development.js]

284.1 µs

283.7 µs

transformer[react.development.js]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer::transformer[react.development.js]

637.2 µs

636.6 µs

formatter[react.development.js]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter::formatter[react.development.js]

9.5 ms

minifier[react.development.js]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier::minifier[react.development.js]

1.8 ms

isolated-declarations[vue-id.ts]

tasks/benchmark/benches/transformer.rs::transformer::bench_isolated_declarations::isolated-declarations[vue-id.ts]

57.5 ms

57.4 ms

mangler[binder.ts]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler::mangler[binder.ts]

806.4 µs

806.2 µs

codegen[binder.ts]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen::codegen[binder.ts]

4.8 ms

formatter[cal.com.tsx]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter::formatter[cal.com.tsx]

150.4 ms

linter[cal.com.tsx]

tasks/benchmark/benches/linter.rs::linter::bench_linter::linter[cal.com.tsx]

1.3 s

linter[binder.ts]

tasks/benchmark/benches/linter.rs::linter::bench_linter::linter[binder.ts]

149.2 ms

lexer[cal.com.tsx]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer::lexer[cal.com.tsx]

5.8 ms

minifier[binder.ts]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier::minifier[binder.ts]

3.5 ms

estree[checker.ts]

tasks/benchmark/benches/parser.rs::parser::bench_estree::estree[checker.ts]

102.7 ms

linter[react.development.js]

tasks/benchmark/benches/linter.rs::linter::bench_linter::linter[react.development.js]

54.7 ms

formatter[binder.ts]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter::formatter[binder.ts]

19.3 ms

lexer[binder.ts]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer::lexer[binder.ts]

929.4 µs

929.5 µs

lexer[react.development.js]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer::lexer[react.development.js]

383.6 µs

383.7 µs

semantic[react.development.js]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic::semantic[react.development.js]

1.5 ms

linter[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/linter.rs::linter::bench_linter::linter[RadixUIAdoptionSection.jsx]

2.8 ms

codegen[react.development.js]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen::codegen[react.development.js]

2.2 ms

codegen[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen::codegen[RadixUIAdoptionSection.jsx]

132 µs

132.1 µs

minifier[cal.com.tsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier::minifier[cal.com.tsx]

23.2 ms

semantic[cal.com.tsx]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic::semantic[cal.com.tsx]

25.4 ms

lexer[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer::lexer[RadixUIAdoptionSection.jsx]

20.8 µs

20.9 µs

semantic[binder.ts]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic::semantic[binder.ts]

3.9 ms

formatter[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter::formatter[RadixUIAdoptionSection.jsx]

299.9 µs

300.7 µs

semantic[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic::semantic[RadixUIAdoptionSection.jsx]

-1%

71.7 µs

72.6 µs

parser[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/parser.rs::parser::bench_parser::parser[RadixUIAdoptionSection.jsx]

-1%

85.8 µs

86.8 µs

parser[cal.com.tsx]

tasks/benchmark/benches/parser.rs::parser::bench_parser::parser[cal.com.tsx]

-3%

27.5 ms

28.3 ms

Commits

Click on a commit to change the comparison range

Base

main

bfa05f2

-11%

refactor(parser): rewrite arrow function parsing to be lookahead-free

08d8634

2 months ago

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