Integrated: 8346142: [perf] scalability issue for the specjvm2008::xml.validation workload

[Vladimir Ivanov]

On Fri, 13 Dec 2024 00:00:26 GMT, Vladimir Ivanov <vaivanov at openjdk.org> wrote:

> The double check needs less time vs enter to 'synchronize' block when it not needed. This patch for the xml.validation workload for runs with 112 threads reports ~2.5% improvement on the server with Xeon 8480:
> orig: 1T - 433.64 ops/m, 112T - 17344.25 ops/m
> patched: 1T - 437.01 ops/m, 112T - 17771.94 ops/m
> 
> The tier1 and jaxp tests are OK with this patch.

This pull request has now been integrated.

Changeset: 10d08dbc
Author:    Vladimir Ivanov <vaivanov at openjdk.org>
Committer: Derek White <drwhite at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/10d08dbc81aa14499410f0a7a64d0b3243b660f1
Stats:     23 lines in 1 file changed: 6 ins; 0 del; 17 mod

8346142: [perf] scalability issue for the specjvm2008::xml.validation workload

Reviewed-by: joehw

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PR: https://git.openjdk.org/jdk/pull/22723