Author: scott farrell
Date: 16:40:25 01/12/04
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On January 12, 2004 at 09:21:06, martin fierz wrote: >i'm on the lookout for an AMD64 dropin for one of my older computers, mainboard, >RAM and CPU. it's not too expensive it seems (about 900 swiss francs which is >around 700$). > >currently i have the following choice: > >- 3000+: 2GHz, 512KB cache >- 3200+: 2GHz, 1MB cache >- 3400+: 2.2GHz, 1MB cache > >of course they get more expensive as the xxxx+ number goes up. does anybody have >an idea what is more important for a typical chess program: having an additional >512K L2 cache, or having those extra 0.2GHz? my instinct is to go for the >cheapest version, but since the 3200+ is only about 80$ more than the 3000+, i'd >like to know whether it might be worth the extra money (the 80$ more are about >12% more in total price, so if the system delivers 12% more performance it would >be even...) > >cheers > martin depends on your engine etc, but from what I have seen the size of the cache has a dramatic effect, whilst raw Mhz has little effect, I would go with the first chip with the extra cache, and make sure your program doesnt 'dirty' the cache with too many random memory requests, make more of them serial. Scott
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