hardfist:codex/ecma-parser-micro-optimize - Branch - swc-project/swc

perf(es/parser): micro-optimize parser hot paths

#11859

Comparing

hardfist:codex/ecma-parser-micro-optimize

(

ae6ab6d

) with

main

(

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

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

2ab1b8a

+0.01%

chore: ignore optimization artifacts

25b2b1f

2 months ago

by hardfist

+2.95%

perf(es/parser): optimize parser hot paths

ef0a842

2 months ago

by hardfist

+0.23%

perf(es/parser): avoid moving boxed expr checks

6212835

2 months ago

by hardfist

-3.3%

perf(es/parser): simplify unary prefix token check

d10b5e4

2 months ago

by hardfist

+2.88%

perf(es/parser): fast path primary identifiers

5016fa2

2 months ago

by hardfist

-0.02%

perf(es/parser): skip plain calls in no-call subscript parse

e2a78b4

2 months ago

by hardfist

+0.07%

perf(es/parser): narrow no-call subscript start check

ae6ab6d

2 months ago

by hardfist

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