RFR: 8360046: Scalability issue when submitting virtual threads with almost empty tasks [v10]
Doug Lea
dl at openjdk.org
Sat Sep 20 17:32:31 UTC 2025
> This set of updates reduces contention-based performance loss under heavy over-subscription, while also improving perfomance more generally.
Doug Lea has updated the pull request incrementally with one additional commit since the last revision:
Add @Contended WorkQueue region. Adapt accordingly.
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Changes:
- all: https://git.openjdk.org/jdk/pull/26479/files
- new: https://git.openjdk.org/jdk/pull/26479/files/b6b1356e..af46e1c7
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=26479&range=09
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=26479&range=08-09
Stats: 193 lines in 1 file changed: 55 ins; 30 del; 108 mod
Patch: https://git.openjdk.org/jdk/pull/26479.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/26479/head:pull/26479
PR: https://git.openjdk.org/jdk/pull/26479
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