Author: Aaron Gordon
Date: 12:19:39 02/05/05
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On February 05, 2005 at 14:22:38, Jan K. wrote: >Hi, is it really that celerons are so bad for computer chess or i'm just a bad >programmer? I have Athlon 1.8+ and Celeron 1.7 and when I try my Pseudo-creation >on both, Celeron is usually ~35% slower in the means of fps, even in perft only. It's not only the Celeron, it is slow on the Pentium 4 as well. The Celeron-1.7 uses the Pentium 4 core but with a smaller/slower cache configuration. The P4-1.7 will be identical in speed for your program when compared to the Celeron 1.7 as cache size/speed makes little to no difference for most chess programs. It is also said that the newer P4 core (Prescott) is up to 20% slower than the previous Pentium 4 core (Northwood), which your Celeron 1.7 is based off of. If you'd like, email me your program and your test method to speedycpu@comcast.net I'll try to run it on my two main systems. One is a Pentium 4 3.2GHz (Northwood) and the other is an Athlon XP 2.7GHz (not 2700+). Basically, try to stay away from any Celeron/Pentium 4/Xeon chips. The Athlon XP, Athlon 64/FX/Opteron and Pentium M chips are the ones you want for the best performance. Even my old Athlon XP chip with 256k L2 running 2.3-2.4GHz made a mockery of this Pentium 4 Northwood 512k L2 3.2GHz computer (in games, encoding, various apps). It is a good thing someone gave me that P4 for free, as I really would have hated to waste my money on a system that was as expensive as it is and underperforms so much.
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