https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254333
--- Comment #35 from commit-h...@freebsd.org --- A commit in branch stable/12 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=e9ca38abc79b5ee0cc0052fb4e213b3dd5720716 commit e9ca38abc79b5ee0cc0052fb4e213b3dd5720716 Author: Richard Scheffenegger <rsch...@freebsd.org> AuthorDate: 2021-04-01 08:00:32 +0000 Commit: Richard Scheffenegger <rsch...@freebsd.org> CommitDate: 2021-04-16 20:52:37 +0000 tcp: For hostcache performance, use atomics instead of counters As accessing the tcp hostcache happens frequently on some classes of servers, it was recommended to use atomic_add/subtract rather than (per-CPU distributed) counters, which have to be summed up at high cost to cache efficiency. PR: 254333 MFC after: 2 weeks Sponsored by: NetApp, Inc. Reviewed By: #transport, tuexen, jtl Differential Revision: https://reviews.freebsd.org/D29522 (cherry picked from commit 529a2a0f2765f6c57c50a5af6be242c03bf714e3) sys/netinet/tcp_hostcache.c | 24 +++++++++++------------- sys/netinet/tcp_hostcache.h | 2 +- 2 files changed, 12 insertions(+), 14 deletions(-) -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
