[openib-general] Re: Re: TSO and IPoIB performance degradation
Matt Leininger
mlleinin at hpcn.ca.sandia.gov
Mon Mar 20 12:31:26 PST 2006
On Mon, 2006-03-20 at 11:02 +0200, Michael S. Tsirkin wrote:
> Quoting r. Matt Leininger <mlleinin at hpcn.ca.sandia.gov>:
> > Kernel OpenIB msi_x netperf (MB/s)
> > 2.6.16-rc5 in-kernel 1 367
> > 2.6.15 in-kernel 1 382
> > 2.6.14-rc4 patch 1 in-kernel 1 434
> > 2.6.14-rc4 in-kernel 1 385
> > 2.6.14-rc3 in-kernel 1 374
> > 2.6.13.2 svn3627 1 386
> > 2.6.13.2 patch 1 svn3627 1 446
> > 2.6.13.2 in-kernel 1 394
> > 2.6.13-rc3 patch 12 in-kernel 1 442
> > 2.6.13-rc3 patch 1 in-kernel 1 450
> > 2.6.13-rc3 in-kernel 1 395
> > 2.6.12.5-lustre in-kernel 1 399
> > 2.6.12.5 patch 1 in-kernel 1 464
> > 2.6.12.5 in-kernel 1 402
> > 2.6.12 in-kernel 1 406
> > 2.6.12-rc6 patch 1 in-kernel 1 470
> > 2.6.12-rc6 in-kernel 1 407
> > 2.6.12-rc5 in-kernel 1 405
> > 2.6.12-rc5 patch 1 in-kernel 1 474
> > 2.6.12-rc4 in-kernel 1 470
> > 2.6.12-rc3 in-kernel 1 466
> > 2.6.12-rc2 in-kernel 1 469
> > 2.6.12-rc1 in-kernel 1 466
> > 2.6.11 in-kernel 1 464
> > 2.6.11 svn3687 1 464
> > 2.6.9-11.ELsmp svn3513 1 425 (Woody's results, 3.6Ghz
> > EM64T)
> >
>
> BTW, Matt, it might be interesting to compare
> 2.6.13-rc3 patch 1 against -rc1 and -rc2 with patch 1, to try and track
> down the last bit of performance degradation in IPoIB.
>
> Could you look into this?
Sure, but I'm not sure it will tell us that much more.
- Matt
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