Integrated: 8337493: [JVMCI] Number of libgraal threads might be too low

[Raphael Mosaner]

On Tue, 1 Oct 2024 08:33:49 GMT, Raphael Mosaner <duke at openjdk.org> wrote:

> The `-XX:JVMCINativeLibraryThreadFraction` flag defines the ratio between JVMCI threads and C1 threads.
> With a default value of 0.33 the number of JVMCI threads is significantly smaller than the number of C2 threads would be.
> 
> This can lead to unexpected warmup behavior with `-XX:+UseJVMCICompiler`. This PR changes the default value of `-XX:JVMCINativeLibraryThreadFraction` to yield the same number of JVMCI threads as C2 threads.

This pull request has now been integrated.

Changeset: 7cc7c080
Author:    Raphael Mosaner <raphael.m.mosaner at oracle.com>
Committer: Doug Simon <dnsimon at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/7cc7c080b5dbab61914512bf63227944697c0cbe
Stats:     4 lines in 1 file changed: 2 ins; 0 del; 2 mod

8337493: [JVMCI] Number of libgraal threads might be too low

Reviewed-by: dnsimon

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PR: https://git.openjdk.org/jdk/pull/21279