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Date: Fri, 17 Aug 2007 11:36:03 +0530 From: Krishna Kumar2 <krkumar2@...ibm.com> To: David Miller <davem@...emloft.net> Cc: gaagaan@...il.com, general@...ts.openfabrics.org, hadi@...erus.ca, herbert@...dor.apana.org.au, jagana@...ibm.com, jeff@...zik.org, johnpol@....mipt.ru, kaber@...sh.net, kumarkr@...ux.ibm.com, mcarlson@...adcom.com, mchan@...adcom.com, netdev@...r.kernel.org, peter.p.waskiewicz.jr@...el.com, rdreier@...co.com, rick.jones2@...com, Robert.Olsson@...a.slu.se, shemminger@...ux-foundation.org, sri@...ibm.com, tgraf@...g.ch, xma@...ibm.com Subject: Re: [PATCH 0/9 Rev3] Implement batching skb API and support in IPoIB Hi Dave, > I ran 3 iterations of 45 sec tests (total 1 hour 16 min, but I will > run a longer one tonight). The results are (results in KB/s, and %): I ran a 8.5 hours run with no batching + another 8.5 hours run with batching (Buffer sizes: "32 128 512 4096 16384", Threads: "1 8 32", Each test run time: 3 minutes, Iterations to average: 5). TCP seems to get a small improvement. Thanks, - KK ------------------------------------------------------------------------------- TCP ----------- Size:32 Procs:1 3415 3321 -2.75 Size:128 Procs:1 13094 13388 2.24 Size:512 Procs:1 49037 50683 3.35 Size:4096 Procs:1 114646 114619 -.02 Size:16384 Procs:1 114626 114644 .01 Size:32 Procs:8 22675 22633 -.18 Size:128 Procs:8 77994 77297 -.89 Size:512 Procs:8 114716 114711 0 Size:4096 Procs:8 114637 114636 0 Size:16384 Procs:8 95814 114638 19.64 Size:32 Procs:32 23240 23349 .46 Size:128 Procs:32 82284 82247 -.04 Size:512 Procs:32 114885 114769 -.10 Size:4096 Procs:32 95735 114634 19.74 Size:16384 Procs:32 114736 114641 -.08 Average: 1151534 1190210 3.36% ------------------------------------------------------------------------------- No Delay: --------- Size:32 Procs:1 3002 2873 -4.29 Size:128 Procs:1 11853 11801 -.43 Size:512 Procs:1 45565 45837 .59 Size:4096 Procs:1 114511 114485 -.02 Size:16384 Procs:1 114521 114555 .02 Size:32 Procs:8 8026 8029 .03 Size:128 Procs:8 31589 31573 -.05 Size:512 Procs:8 111506 105766 -5.14 Size:4096 Procs:8 114455 114454 0 Size:16384 Procs:8 95833 114491 19.46 Size:32 Procs:32 8005 8027 .27 Size:128 Procs:32 31475 31505 .09 Size:512 Procs:32 114558 113687 -.76 Size:4096 Procs:32 114784 114447 -.29 Size:16384 Procs:32 114719 114496 -.19 Average: 1046026 1034402 -1.11% ------------------------------------------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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