perf(rolldown): fine-tuning the tokio scheduler by Brooooooklyn · Pull Request #6272 · rolldown/rolldown

Brooooooklyn · 2025-09-18T13:46:32Z

No description provided.

Brooooooklyn · 2025-09-18T13:46:50Z

How to use the Graphite Merge Queue

Add the label graphite: merge to this PR to add it to the merge queue.

You must have a Graphite account in order to use the merge queue. Sign up using this link.

_{An organization admin has enabled the Graphite Merge Queue in this repository.} _{Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.}

This stack of pull requests is managed by Graphite. Learn more about stacking.

github-actions · 2025-09-18T14:28:17Z

Benchmarks Rust

target: main(7be26be)
pr: 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads(4186ad4)

group                                                        pr                                     target
-----                                                        --                                     ------
bundle/bundle@multi-duplicated-top-level-symbol              1.00    160.2±5.91ms        ? ?/sec    1.05    167.7±7.44ms        ? ?/sec
bundle/bundle@multi-duplicated-top-level-symbol-sourcemap    1.00    177.0±5.10ms        ? ?/sec    1.02    179.7±6.24ms        ? ?/sec
bundle/bundle@rome_ts                                        1.02    258.5±6.98ms        ? ?/sec    1.00    254.0±9.67ms        ? ?/sec
bundle/bundle@rome_ts-sourcemap                              1.00    280.0±8.51ms        ? ?/sec    1.02    286.6±8.04ms        ? ?/sec
bundle/bundle@threejs                                        1.07     97.5±3.99ms        ? ?/sec    1.00     90.9±3.71ms        ? ?/sec
bundle/bundle@threejs-sourcemap                              1.09    110.3±2.95ms        ? ?/sec    1.00    101.2±2.35ms        ? ?/sec
bundle/bundle@threejs10x                                     1.00   986.3±14.51ms        ? ?/sec    1.04  1023.5±25.77ms        ? ?/sec
bundle/bundle@threejs10x-sourcemap                           1.00  1082.7±17.96ms        ? ?/sec    1.00  1083.6±22.10ms        ? ?/sec
scan/scan@rome_ts                                            1.00    215.4±5.43ms        ? ?/sec    1.02    219.7±7.01ms        ? ?/sec
scan/scan@threejs                                            1.01     78.4±1.17ms        ? ?/sec    1.00     77.7±1.72ms        ? ?/sec
scan/scan@threejs10x                                         1.00   858.5±28.40ms        ? ?/sec    1.00   860.2±18.22ms        ? ?/sec

netlify · 2025-09-18T17:34:50Z

✅ Deploy Preview for rolldown-rs canceled.

Name	Link
🔨 Latest commit	`4186ad4`
🔍 Latest deploy log	https://app.netlify.com/projects/rolldown-rs/deploys/68d1589bb6f75b000816325b

graphite-app · 2025-09-22T14:09:01Z

Merge activity

Sep 22, 2:09 PM UTC: Brooooooklyn added this pull request to the Graphite merge queue.
Sep 22, 2:19 PM UTC: Merged by the Graphite merge queue.

@Boshen

## [1.0.0-beta.40] - 2025-09-24 ⚡ Sourcemap Performance Boost - 20%-30% faster sourcemap generation - Consistent gains across all platforms ### 🚀 Features - rolldown: oxc v0.92.0 (#6322) by @Boshen - adding partial `MagicString` binding (#6289) by @IWANABETHATGUY - rolldown_plugin_vite_html: initialize (#6292) by @shulaoda ### 🐛 Bug Fixes - rolldown_plugin_react_refresh_wrapper: avoid using cwd to allow using as a callable plugin (#6318) by @sapphi-red - rolldown_plugin_transform: resolve tsconfig from absolute path (#6311) by @shulaoda ### 🚜 Refactor - Construct MagicString with `Cow<str>` instead of `&str` (#6288) by @IWANABETHATGUY - throw error if generating oxc runtime helper fails (#6291) by @shulaoda ### 📚 Documentation - add more description about sourcemapIgnoreList (#6314) by @IWANABETHATGUY ### ⚡ Performance - reduce `sourcemap_ignore_list` js function call (#6313) by @IWANABETHATGUY - string_wizard: use memchr to find patterns in `replace` (#6312) by @IWANABETHATGUY - simplify sourcemap token processing in collapse_sourcemaps (#6310) by @IWANABETHATGUY - rolldown: some minor perf optimization (#6306) by @Brooooooklyn - rolldown: fine-tuning the tokio scheduler (#6272) by @Brooooooklyn ### ⚙️ Miscellaneous Tasks - deps: lock file maintenance rust crates (#6302) by @renovate[bot] - deps: lock file maintenance npm packages (#6301) by @renovate[bot] - use `lto: thin` in profile mode for better profiling experience. (#6320) by @IWANABETHATGUY - adjust the tokio runtime config in bench (#6305) by @Brooooooklyn - deps: update dependency rolldown-plugin-dts to v0.16.8 (#6307) by @renovate[bot]

github-actions bot assigned Brooooooklyn Sep 18, 2025

Brooooooklyn mentioned this pull request Sep 18, 2025

perf(rolldown): take advantage of tokio blocking threads #6270

Merged

Brooooooklyn mentioned this pull request Sep 18, 2025

perf(rolldown): minor performance optimization #6271

Merged

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from 34d9093 to 4e99b58 Compare September 18, 2025 13:50

Brooooooklyn force-pushed the 09-18-perf_rolldown_minor_performance_optimization branch 2 times, most recently from 567e163 to dbc9162 Compare September 18, 2025 13:58

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch 2 times, most recently from bd60dd1 to c4f0a9e Compare September 18, 2025 13:58

Brooooooklyn force-pushed the 09-18-perf_rolldown_minor_performance_optimization branch from dbc9162 to 1b110f4 Compare September 18, 2025 13:58

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from c4f0a9e to 3dc8cd6 Compare September 18, 2025 14:03

Brooooooklyn force-pushed the 09-18-perf_rolldown_minor_performance_optimization branch from 1b110f4 to 7da7c8f Compare September 18, 2025 14:03

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from 3dc8cd6 to 2d3b9cf Compare September 18, 2025 14:29

Brooooooklyn force-pushed the 09-18-perf_rolldown_minor_performance_optimization branch 2 times, most recently from 3fd5486 to 1c71f7e Compare September 18, 2025 14:45

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from 2d3b9cf to 9956c7d Compare September 18, 2025 14:45

graphite-app bot changed the base branch from 09-18-perf_rolldown_minor_performance_optimization to graphite-base/6272 September 18, 2025 17:21

graphite-app bot force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from 9956c7d to 2a9fe5a Compare September 18, 2025 17:33

graphite-app bot force-pushed the graphite-base/6272 branch from 1c71f7e to 230eae6 Compare September 18, 2025 17:33

graphite-app bot changed the base branch from graphite-base/6272 to main September 18, 2025 17:34

graphite-app bot force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from 2a9fe5a to 927d46e Compare September 18, 2025 17:34

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch 3 times, most recently from ae5ec47 to d24c3d1 Compare September 22, 2025 03:26

Brooooooklyn changed the title ~~perf(rolldown): put more long blocking tasks in tokio blocking threads~~ perf(rolldown): fine-tuning the tokio scheduler Sep 22, 2025

Brooooooklyn force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch 3 times, most recently from a3c9b29 to 314efc8 Compare September 22, 2025 13:44

This was referenced Sep 22, 2025

chore: adjust the tokio runtime config in bench #6305

Merged

perf(rolldown): some minor perf optimization #6306

Merged

Brooooooklyn marked this pull request as ready for review September 22, 2025 13:56

IWANABETHATGUY approved these changes Sep 22, 2025

View reviewed changes

perf(rolldown): fine-tuning the tokio scheduler (#6272)

4186ad4

graphite-app bot force-pushed the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch from 314efc8 to 4186ad4 Compare September 22, 2025 14:09

graphite-app bot merged commit 4186ad4 into main Sep 22, 2025
29 checks passed

graphite-app bot deleted the 09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads branch September 22, 2025 14:19

github-actions bot mentioned this pull request Sep 24, 2025

release: v1.0.0-beta.40 #6324

Merged

sapphi-red mentioned this pull request Oct 2, 2025

[Bug]: due to the smaller max_blocking_threads value, the build hangs in watch mode #6393

Closed

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Comments

perf(rolldown): fine-tuning the tokio scheduler#6272

perf(rolldown): fine-tuning the tokio scheduler#6272
graphite-app[bot] merged 1 commit intomainfrom
09-18-perf_rolldown_put_more_long_blocking_tasks_in_tokio_blocking_threads

Brooooooklyn commented Sep 18, 2025

Uh oh!

Brooooooklyn commented Sep 18, 2025 •

edited

Loading

Uh oh!

github-actions bot commented Sep 18, 2025 •

edited

Loading

Uh oh!

netlify bot commented Sep 18, 2025 •

edited

Loading

Uh oh!

graphite-app bot commented Sep 22, 2025 •

edited

Loading

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

Comments

Conversation

Brooooooklyn commented Sep 18, 2025

Uh oh!

Brooooooklyn commented Sep 18, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

How to use the Graphite Merge Queue

Uh oh!

github-actions bot commented Sep 18, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Benchmarks Rust

Uh oh!

netlify bot commented Sep 18, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

✅ Deploy Preview for rolldown-rs canceled.

Uh oh!

graphite-app bot commented Sep 22, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Merge activity

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

Brooooooklyn commented Sep 18, 2025 •

edited

Loading

github-actions bot commented Sep 18, 2025 •

edited

Loading

netlify bot commented Sep 18, 2025 •

edited

Loading

graphite-app bot commented Sep 22, 2025 •

edited

Loading