Quoting r. Grant Grundler <[EMAIL PROTECTED]>: > Subject: Re: user-mode verbs on Itanium > > On Sun, May 08, 2005 at 05:23:45PM +0300, Michael S. Tsirkin wrote: > > Your patch initialized tstamp[0] to get_clock which still isnt right > > since its take before post_send and not after that. > > Yes, but I think I want the first measurement *before* post_send > since it seems to measure something different that's part of the > code path too.
I'd prefer all deltas to measure the same thing. > I suspect it's measuring the first "TLB" miss of HCA. I dont think so. > I found it very interesting that the first send (or two) > was very expensive. > > grant > You still see this cache warm-up with the new code. -- 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
