stream: speed up reads and iteration over default WHATWG streams#64320
Open
mcollina wants to merge 1 commit into
Open
stream: speed up reads and iteration over default WHATWG streams#64320mcollina wants to merge 1 commit into
mcollina wants to merge 1 commit into
Conversation
Collaborator
|
Review requested:
|
jasnell
approved these changes
Jul 7, 2026
Collaborator
mcollina
force-pushed
the
webstream-iterator-perf-round6
branch
from
31fb1fe to
e16a18d
Compare
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #64320 +/- ##
=======================================
Coverage 90.25% 90.25%
=======================================
Files 741 741
Lines 241207 241249 +42
Branches 45424 45444 +20
=======================================
+ Hits 217696 217734 +38
- Misses 15087 15089 +2
- Partials 8424 8426 +2
🚀 New features to boost your workflow:
|
ShogunPanda
approved these changes
Jul 8, 2026
github-actions
Bot
removed
the
request-ci
Collaborator
Skip the size algorithm call and its result validation when the size algorithm is the default one, and stop re-running the full ShouldCallPull predicate at per-chunk call sites where its inputs are already established. readable-async-iterator type=normal: +16.6% (***) readable-read-buffered: +13.9% to +27.5% (**/***) pipe-to: +3.7% to +6.0% (15/16 configs significant) Signed-off-by: Matteo Collina <hello@matteocollina.com>
mcollina
force-pushed
the
webstream-iterator-perf-round6
branch
from
e16a18d to
0ff7249
Compare
aduh95
approved these changes
Jul 9, 2026
aduh95
added
author ready
github-actions
Bot
removed
the
request-ci
Collaborator
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
7 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Skip the size algorithm call when it is the default one, and stop re-running the full ShouldCallPull predicate at per-chunk call sites where its inputs are already established.