Comparing
claude/perf-improvements-D2ZFm
(b7b260c
) withmain
(ccfbc65
)+70%
- Improvement
- 10
- Untouched
- 151
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
161 total
helpers/readMappings: fixture (noop callback)
benchmark/cases/helpers-read-mappings/index.bench.mjs+70%
27.5 ms16.1 ms
helpers/readMappings: fixture (counting callback)
benchmark/cases/helpers-read-mappings/index.bench.mjs+60%
1,466.8 µs916.4 µs
source-map-source: streamChunks({columns:false})
benchmark/cases/source-map-source/index.bench.mjs+45%
9.5 ms6.6 ms
source-map-source: streamChunks({finalSource:true})
benchmark/cases/source-map-source/index.bench.mjs+38%
9.9 ms7.1 ms
cached-source: streamChunks() (warm)
benchmark/cases/cached-source/index.bench.mjs+23%
14.4 ms11.7 ms
source-map-source: streamChunks()
benchmark/cases/source-map-source/index.bench.mjs+23%
14.5 ms11.7 ms
prefix-source: streamChunks() with SourceMapSource child
benchmark/cases/prefix-source/index.bench.mjs+20%
16.3 ms13.6 ms
concat-source: streamChunks() with SourceMapSource child
benchmark/cases/concat-source/index.bench.mjs+20%
17.6 ms14.7 ms
source-map-source: streamChunks() (combined inner map)
benchmark/cases/source-map-source/index.bench.mjs+17%
11.7 ms9.9 ms
realistic-source-map-pipeline: streamChunks() (columns off)
benchmark/cases/realistic-source-map-pipeline/index.bench.mjs+11%
7 ms6.3 ms
realistic-source-map-pipeline: streamChunks() (columns on)
benchmark/cases/realistic-source-map-pipeline/index.bench.mjs+6%
11.5 ms10.8 ms
realistic-source-map-pipeline: cold sourceAndMap() (fresh pipeline)
benchmark/cases/realistic-source-map-pipeline/index.bench.mjs+6%
15.5 ms14.6 ms
realistic-source-map-pipeline: cold map() only
benchmark/cases/realistic-source-map-pipeline/index.bench.mjs+6%
15.5 ms14.6 ms
realistic-source-map-pipeline: serialize through getCachedData()
benchmark/cases/realistic-source-map-pipeline/index.bench.mjs+6%
17.3 ms16.4 ms
prefix-source: sourceAndMap()
benchmark/cases/prefix-source/index.bench.mjs+4%
10.7 ms10.3 ms
prefix-source: map()
benchmark/cases/prefix-source/index.bench.mjs+4%
10.7 ms10.3 ms
cached-source: streamChunks() (cold)
benchmark/cases/cached-source/index.bench.mjs+3%
10 ms9.7 ms
concat-source: sourceAndMap()
benchmark/cases/concat-source/index.bench.mjs+3%
21.9 ms21.2 ms
concat-source: map()
benchmark/cases/concat-source/index.bench.mjs+3%
22 ms21.3 ms
original-source: map()
benchmark/cases/original-source/index.bench.mjs+3%
19.2 ms18.6 ms
original-source: sourceAndMap()
benchmark/cases/original-source/index.bench.mjs+3%
19.3 ms18.7 ms
replace-source: map() (no replacements)
benchmark/cases/replace-source/index.bench.mjs+3%
19.1 ms18.6 ms
cached-source: sourceAndMap() (cold)
benchmark/cases/cached-source/index.bench.mjs+3%
19.3 ms18.7 ms
cached-source: getCachedData() then restore
benchmark/cases/cached-source/index.bench.mjs+3%
20.6 ms20.1 ms
compat-source: wraps OriginalSource
benchmark/cases/compat-source/index.bench.mjs+2%
35.2 ms34.4 ms
Commits
Click on a commit to change the comparison rangeBase
main
ccfbc65
-19.61%
fix: improve performance in many places
a241607
5 months ago
by claude+89.78%
revert: splitIntoPotentialTokens lookup tables
bc7d55e
5 months ago
by claude0%
chore: add changelog entry
b7b260c
5 months ago
by alexander-akait