On Mon, 11 Aug 2025 16:31:17 GMT, Per Minborg <pminb...@openjdk.org> wrote:
>> This PR proposes to use overlapping memory areas in >> `SegmentBulkOperations::copy`, similar to what is proposed for >> `SegmentBulkOperations::fill` in https://github.com/openjdk/jdk/pull/25383. >> >> This PR passes `tier1`, `tier2`, and `tier3`testing on multiple platforms. > > Per Minborg has updated the pull request incrementally with one additional > commit since the last revision: > > Fix comment I've decided to back paddle on the branchless overlap method. On some architectures, there was a performance penalty for doing this on top of the added complexity. All things considered, the advantages did not exceed the drawbacks. Nevertheless, this is still a significant performance contribution. ------------- PR Comment: https://git.openjdk.org/jdk/pull/26672#issuecomment-3183122162
