On Wed, 4 Sep 2024 09:09:32 GMT, Per Minborg <pminb...@openjdk.org> wrote:
> This PR proposes to improve the performance of `MemorySegment::mismatch` by > using Java code rather than transitioning to native code. src/java.base/share/classes/jdk/internal/foreign/SegmentBulkOperations.java line 49: > 47: > 48: // MISMATCH_NATIVE_THRESHOLD must be a power of two and should be > greater than 2^3 > 49: private static final long MISMATCH_NATIVE_THRESHOLD = 1 << 20; Should we allow toggling this threshold via properties to allow using vectorizedMismatchLargeForBytes for small lengths, such as for testing or debugging? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/20848#discussion_r1743938437
