Quoting r. Michael S. Tsirkin <[EMAIL PROTECTED]>: > > > > Did you see the difference in IPoIB numbers that I posted > > > > earlier where I pegged the test processes to the same CPU > > > > taking interrupts or a different CPU? > > > > > > No - link? > > > > Sorry - I don't have the URL - just the original mail. > > I posted this on "Date: Thu, 13 Jan 2005 10:43:34 -0800" > > and you should be able to find this in the archives. > > > > Here is the table again: > > netperf/irq same, netserver/irq same: 1591 Mbps > > netperf/irq diff, netserver/irq same: 1565 Mbps > > netperf/irq same, netserver/irq diff: 1507 Mbps > > netperf/irq diff, netserver/irq diff: 1510 Mbps > > > > (1591-1510)/1510 is about 5%. > > If you use taskset on your platforms, run a similar table to the > > above, we could compare and see if ia64 is more sensitive to this > > than other arches. > > > > hth, > > grant > >
OK, here is my table: > Recv Send Send Utilization Service Demand > Socket Socket Message Elapsed Send Recv Send Recv > Size Size Size Time Throughput local remote local remote > bytes bytes bytes secs. MBytes /s % S % S us/KB us/KB Same: 87380 16384 100000 10.00 301.38 44.20 92.95 2.865 6.024 87380 16384 100000 10.00 290.86 47.80 89.85 3.210 6.033 87380 16384 100000 10.00 295.07 43.46 90.45 2.876 5.987 Different: 87380 16384 100000 10.00 303.82 42.56 44.70 2.736 2.874 87380 16384 100000 10.00 305.32 42.51 45.65 2.719 2.920 87380 16384 100000 10.00 304.76 42.46 47.30 2.721 3.032 (304-295)/300 is about 3% Hmm. -- MST - Michael S. Tsirkin _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
