Jim, what kernel and HCA are these numbers for? Scott
> -----Original Message----- > From: Jim Mott [mailto:[EMAIL PROTECTED] > Sent: Friday, January 25, 2008 11:09 AM > To: Scott Weitzenkamp (sweitzen); Weikuan Yu > Cc: [email protected] > Subject: RE: [ofa-general] RE: [ewg] Not seeing any SDP > performance changes inOFED 1.3 beta, and I get Oops when > enabling sdp_zcopy_thresh > > Right you are (as usual). > > Hunting around these systems shows that I have been using > netperf-2.4.3 > for testing. No configuration options; just ./configure; make; make > install. > > To try and understand version differences, I installed 2.4.1 (your > version?), 2.4.3, and 2.4.4. Built them with default options and ran > the tests using each. > > Using netperf-2.4.1 and reran "netperf -v2 -4 -H > 193.168.10.143 -l 30 -t > TCP_STREAM -c -C -- -m size" with target AMD and driver as > 8-processor > Intel: > > 64K 128K 1M > SDP 7749.66 6925.68 6281.17 > BZCOPY 8492.85 9867.06 11105.50 > > I tried running these tests a few times and saw a lot of > variance in the > reported results. Reloading 2.4.3 and running the same tests: > > 64K 128K 1M > SDP 7553.77 6747.58 5986.42 > BZCOPY 8839.46 9572.49 10654.52 > > and finally, I tried 2.4.4 and running the same tests: > > 64K 128K 1M > SDP 7935.97 6325.69 7682.65 > BZCOPY 8905.94 9935.45 10615.03 > > At this point, I am confused. The difference between SDP with and > without Bzcopy is obvious in all three sets of numbers. I can not > explain why you see something different. > > If you could try a vanilla netperf build, it would be > interesting to see > if you get any different results. > > Thanks, > JIm > > Jim Mott > Mellanox Technologies Ltd. > mail: [EMAIL PROTECTED] > Phone: 512-294-5481 > > > -----Original Message----- > From: Scott Weitzenkamp (sweitzen) [mailto:[EMAIL PROTECTED] > Sent: Friday, January 25, 2008 10:36 AM > To: Jim Mott; Jim Mott; Weikuan Yu > Cc: [email protected] > Subject: RE: [ofa-general] RE: [ewg] Not seeing any SDP performance > changes inOFED 1.3 beta, and I get Oops when enabling sdp_zcopy_thresh > > > So I see your results (sort of). I have been using the > > netperf that ships with the OS (Rhat4u4 and Rhat5 mostly) or > > is built with > > default options. Maybe that is the difference. > > Jim, AFAIK Red Hat does not ship netperf with RHEL. > > Scott > _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
