> 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 with a new target base due to a merge or a rebase. The pull request now contains four commits: - Merge branch 'master' into JDK-8347606 - Changed copyright, removed unnecessary comment - Added optimized boolean matrix allocs - Created optimized matrixAllocate method for 2d arrays ------------- Changes: https://git.openjdk.org/jdk/pull/23642/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23642&range=01 Stats: 54 lines in 1 file changed: 23 ins; 1 del; 30 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
