hardfist:codex/ecma-codegen-10pct-speedup - Branch - swc-project/swc

perf: speed up swc_ecma_codegen JsWriter hot path

#11870

Comparing

hardfist:codex/ecma-codegen-10pct-speedup

(

9ac84bc

) with

main

(

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

31 total

The benchmarks below were skipped, so their baseline results are used instead. If they were deleted in your codebase, archive them to remove them from the performance reports.
Learn more about archiving benchmarks

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/bugs-1

crates/swc/benches/bugs.rs::benches::bench_bugs

Skipped

426.3 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/d3

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

546.3 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/antd

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

2.6 s*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/echarts

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

2.1 s*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/jquery

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

135.9 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es2015

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

271.6 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es2016

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

272.2 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/typescript

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

5 s*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/vue

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

199.3 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/base/fixer

crates/swc/benches/typescript.rs::benches::base_tr_group

Skipped

109.5 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es2020

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

272 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es2017

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

271.7 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/moment

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

90.4 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/terser

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

521.3 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es2019

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

271.9 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/all/es2017

crates/swc/benches/typescript.rs::benches::full_group

Skipped

122.4 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/victory

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

1.2 s*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es5

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

271.6 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/all/es2016

crates/swc/benches/typescript.rs::benches::full_group

Skipped

122.8 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es2018

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

271.9 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/codegen/es3

crates/swc/benches/typescript.rs::benches::codegen_group

Skipped

271.5 µs*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/all/es2015

crates/swc/benches/typescript.rs::benches::full_group

Skipped

123.1 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/all/es2018

crates/swc/benches/typescript.rs::benches::full_group

Skipped

121.5 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/all/es3

crates/swc/benches/typescript.rs::benches::full_group

Skipped

185.7 ms*

Uses the CPU Simulation instrument
to collect CPU performance metrics.

es/full/minify/libraries/three

crates/swc/benches/minify.rs::benches::files_group::es/full/minify/libraries

Skipped

899.1 ms*

Commits

Click on a commit to change the comparison range

Base

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

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