Date: Sat, 6 May 2006 11:24:59 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/netinet udp_usrreq.c Message-ID: <200605061125.k46BP0sF016722@repoman.freebsd.org>
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rwatson 2006-05-06 11:24:59 UTC FreeBSD src repository Modified files: sys/netinet udp_usrreq.c Log: Modify UDP to use sosend_dgram() instead of sosend(). This allows for signicantly optimized UDP socket I/O when using a single UDP socket from many threads or processes that share it, by avoiding significant locking and other overhead in the general sosend() path that isn't necessary for simple datagram sockets. Specifically, this change results in a significant performance improvement for threaded name service in BIND9 under load. Suggested by: Jinmei_Tatsuya at isc dot org Revision Changes Path 1.188 +1 -0 src/sys/netinet/udp_usrreq.c
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