On Tue, Jan 12, 2016 at 12:42 PM, Gleb Smirnoff <gleb...@freebsd.org> wrote: > On Tue, Jan 12, 2016 at 01:50:56AM +0000, Sepherosa Ziehau wrote: > S> Author: sephe > S> Date: Tue Jan 12 01:50:56 2016 > S> New Revision: 293721 > S> URL: https://svnweb.freebsd.org/changeset/base/293721 > S> > S> Log: > S> hyperv/hn: Avoid mbuf cluster allocation, if the packet is small. > S> > S> This one mainly avoids mbuf cluster allocation for TCP ACKs during > S> TCP sending tests. And it gives me ~200Mbps improvement (4.7Gbps > S> -> 4.9Gbps), when running iperf3 TCP sending test w/ 16 connections. > S> > S> While I'm here, nuke the unnecessary zeroing out pkthdr.csum_flags. > S> > S> Reviewed by: adrain > S> Approved by: adrian (mentor) > S> Sponsored by: Microsoft OSTC > S> Differential Revision: https://reviews.freebsd.org/D4853 > > Consider using m_get2() instead of implementing it yourself :)
Good suggestion, noted :) Thanks, sephe -- Tomorrow Will Never Die _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
