Author: martin fierz
Date: 04:26:28 08/20/04
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On August 20, 2004 at 04:33:07, Tom Kerrigan wrote: >Now that AMD is selling two processors that are identical other than L2 cache >size (Sempron has 256k, Athlon 64 has 512k) we have proof of Crafty's working >set size: > >Sempron: 1,080,020 NPS >Athlon 64: 1,080,230 NPS > >http://www.anandtech.com/linux/showdoc.aspx?i=2170&p=3 > >This should prove once and for all that Crafty's working set is < 256k and >therefore that size of L2 cache has no effect on its performance (as long as >it's >= 256k) and that main memory speed likely plays a trivial role >performance-wise. > >I bring this up because of all of the long debates that have occurred in the >past about the value of L2 cache, the speed of memory, and the working set size >of chess programs. > >I have no doubt that Crafty uses a bunch of memory, but obviously not with >enough temporal locality for it to matter one iota. > >-Tom if i read this right, then the sempron 3100+ would be a very good choice for a (computer-chess-)power hungry user on a tight budget. correct or not? is there anything better out there price/performancewise right now? cheers martin (thinking about upgrading one of his older computers...)
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