> 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%.
Ben Perez has updated the pull request incrementally with one additional commit since the last revision: remove trailing whitespace ------------- Changes: - all: https://git.openjdk.org/jdk/pull/23642/files - new: https://git.openjdk.org/jdk/pull/23642/files/7ed6dbc4..886cc263 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=23642&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23642&range=01-02 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/23642.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/23642/head:pull/23642 PR: https://git.openjdk.org/jdk/pull/23642