From: "Ronciak, John" <[EMAIL PROTECTED]> Date: Thu, 1 Dec 2005 15:10:19 -0800
> Do you have a specific example? We have tried this on Intel (x86 and > IA-64), AMD (x86 and x86_64) and PPC processors. Most show gains with > none showing any detriment to performance with the test cases. The > gains seen on the ones that show gains are significant in almost all > cases. > > If you have a specific case where you think that there are measurable > problems with it we would be happy to hear it so we can take a look at > it. I think until a counter case is shown, the prefetches should remain on unconditionally. Proof of detriment is the burdon of the accusor, especially since the Intel folks aparently did a lot of testing :-) - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
