05-23-perf_lexer_remove_string_allocation - Branch - oxc-project/oxc

perf(lexer): remove string allocation

#11255Merged

Comparing

05-23-perf_lexer_remove_string_allocation

(

254048d

) with

main

(

3281e99

)

-12%

Regressions: 1

Untouched: 37

Benchmarks

Failed

mangler[cal.com.tsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler

Regression

-12%

3 ms3.5 ms

Passed

mangler[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler

+1%

14.3 µs14.2 µs

formatter[binder.ts]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter

18.9 ms18.8 ms

codegen[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen

132.4 µs132 µs

parser[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/parser.rs::parser::bench_parser

84.2 µs84.1 µs

codegen[cal.com.tsx]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen

39 ms38.9 ms

semantic[react.development.js]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic

1.5 ms1.5 ms

transformer[react.development.js]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer

638 µs637.7 µs

semantic[binder.ts]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic

3.9 ms3.9 ms

transformer[binder.ts]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer

1.5 ms1.5 ms

isolated-declarations[vue-id.ts]

tasks/benchmark/benches/transformer.rs::transformer::bench_isolated_declarations

57.5 ms57.5 ms

linter[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/linter.rs::linter::bench_linter

2.8 ms2.8 ms

estree[checker.ts]

tasks/benchmark/benches/parser.rs::parser::bench_estree

103.4 ms103.4 ms

transformer[cal.com.tsx]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer

24.7 ms24.7 ms

lexer[cal.com.tsx]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer

6 ms6 ms

linter[react.development.js]

tasks/benchmark/benches/linter.rs::linter::bench_linter

54.6 ms54.6 ms

linter[binder.ts]

tasks/benchmark/benches/linter.rs::linter::bench_linter

149 ms149 ms

lexer[binder.ts]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer

961.2 µs961.2 µs

minifier[binder.ts]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier

3.5 ms3.5 ms

lexer[react.development.js]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer

397.4 µs397.4 µs

codegen[binder.ts]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen

4.8 ms4.8 ms

codegen[react.development.js]

tasks/benchmark/benches/codegen.rs::codegen::bench_codegen

2.2 ms2.2 ms

semantic[cal.com.tsx]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic

25.4 ms25.4 ms

parser[binder.ts]

tasks/benchmark/benches/parser.rs::parser::bench_parser

3.3 ms3.3 ms

minifier[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier

66.1 µs66.1 µs

linter[cal.com.tsx]

tasks/benchmark/benches/linter.rs::linter::bench_linter

1.3 s1.3 s

minifier[react.development.js]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier

1.8 ms1.8 ms

parser[react.development.js]

tasks/benchmark/benches/parser.rs::parser::bench_parser

1.3 ms1.3 ms

parser[cal.com.tsx]

tasks/benchmark/benches/parser.rs::parser::bench_parser

27.2 ms27.2 ms

formatter[cal.com.tsx]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter

142.7 ms142.8 ms

formatter[react.development.js]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter

9.1 ms9.2 ms

mangler[react.development.js]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler

282.2 µs282.7 µs

formatter[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/formatter.rs::formatter::bench_formatter

298.7 µs299.3 µs

lexer[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/lexer.rs::lexer::bench_lexer

21.8 µs21.8 µs

mangler[binder.ts]

tasks/benchmark/benches/minifier.rs::minifier::bench_mangler

797.2 µs799.4 µs

semantic[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/semantic.rs::semantic::bench_semantic

72.2 µs72.4 µs

transformer[RadixUIAdoptionSection.jsx]

tasks/benchmark/benches/transformer.rs::transformer::bench_transformer

-1%

129 µs130 µs

minifier[cal.com.tsx]

tasks/benchmark/benches/minifier.rs::minifier::bench_minifier

-3%

23.4 ms24.1 ms

Commits

Click on a commit to change the comparison range

Base

05-23-perf_transformer_react-refresh_faster_base64_encoding

3281e99

-12.08%

perf(lexer): remove string allocation (#11255) Small optimization. Remove unnecessary `ArenaString` allocation when decoding octal escape sequences. Also calculate the unescaped value at same time as reading the bytes from source, instead of decoding a 2nd time with `u32::from_str_radix`.

254048d

8 months ago

by overlookmotel

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