From: Andi Kleen <[EMAIL PROTECTED]> Date: Wed, 10 Oct 2007 12:23:31 +0200
> On Wed, Oct 10, 2007 at 02:25:50AM -0700, David Miller wrote: > > The chip I was working with at the time (UltraSPARC-IIi) compressed > > all the linear stores into 64-byte full cacheline transactions via > > the store buffer. > > That's a pretty old CPU. Conclusions on more modern ones might be different. Cache matters, just scale the numbers. > I suppose it would be an interesting experiment at least. Absolutely. I've always gotten very poor results when increasing the TX queue a lot, for example with NIU the point of diminishing returns seems to be in the range of 256-512 TX descriptor entries and this was with 1.6Ghz cpus. _______________________________________________ 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
