On Tue, 2008-05-20 at 22:18 -0400, Talpey, Thomas wrote: > > > >Does it make a measurable difference? If so then it seems like a good idea. It does a noticeable difference when the required message rate is high. In those cases you spare the CPU from the need to write to memory, possibly saving cache misses. I saw differences for IPoIB in OFED where we use selective signalling for the UD QP.
> > I'll be happy to try it, but I bet it'll be hard to measure the difference > with a storage workload. It sounds like a bit of a micro-optimization > at the HCA interface, avoiding a few DMA cycles? > > I didn't see a URL so let me know if so. > http://lists.openfabrics.org/pipermail/general/2008-January/045071.html _______________________________________________ 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
