[openib-general] Re: user-mode verbs on Itanium

[Grant Grundler]

On Tue, May 10, 2005 at 06:40:30PM +0300, Michael S. Tsirkin wrote:
> > 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.

Ok. Can we report the startup times as part of the summary?

> > I suspect it's measuring the first "TLB" miss of HCA.
> 
> I dont think so.

ok. Any other theories on why it takes ~12x longer (4.7 vs 63usec)?

> You still see this cache warm-up with the new code.

I'll try running it again with code in SVN and see what
I get.
BTW, which cache are you referring to here?

thanks,
grant