On Fri, 8 Feb 2008 14:52:12 +0100 "Bart Van Assche" <bart.vanassche at gmail.com> wrote: > On Feb 8, 2008 3:05 AM, FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp> wrote: > > Yeah, this is a must-have trick for low latency. IET has the same > > trick but somehow I forgot to add this to tgt. > > I have retested tgt-20071227 with the TCP_NODELAY patch on an 1GB/s IB > network with a RAM disk target. For realistic block transfer sizes (<= > 64 KB) latency is unchanged and throughput improved slightly (5% for > reads and 9% for writes). Sounds nice improvement. Thanks for testing, |