Integrated: 8347606: Optimize Java implementation of ML-DSA

[Ben Perez]

On Fri, 14 Feb 2025 16:43:32 GMT, Ben Perez <bperez at openjdk.org> wrote:

> It turns out that initializing a multidimensional array with `int[][] a = new int[rows][cols]` is slower than allocating each column in a loop. Since we do a lot of large multidimensional array allocations in ML-DSA, the optimized initialization improves performance by roughly 10%.

This pull request has now been integrated.

Changeset: 10dcdf1b
Author:    Ben Perez <bperez at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/10dcdf1b4738efc6b4deaf96f4d123aff4dab832
Stats:     54 lines in 1 file changed: 23 ins; 1 del; 30 mod

8347606: Optimize Java implementation of ML-DSA

Reviewed-by: weijun

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PR: https://git.openjdk.org/jdk/pull/23642