On Wed, 15 Nov 2023 01:44:56 GMT, Jatin Bhateja <jbhat...@openjdk.org> wrote:
>> Thanks, there is an store fence upon completion of the main loop for the >> large size code: >> >>  > > Do you see any concerns while handling multithreaded case where writer is > busy copying 256 bytes block in loop and reader try to access a location > still not flushed out of write combining buffer. The results a concurrent reader sees could be different if the copy is using nt writes, but if the read of the destination is not synced with the copy operation, I think the reader would not see consistent state in either case. Is it worse with nt writes? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/16575#discussion_r1394500454