Author: Miguel A. Ballicora
Date: 08:46:30 12/30/03
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On December 29, 2003 at 20:37:45, scott farrell wrote: >On December 29, 2003 at 17:06:32, Miguel A. Ballicora wrote: > >>I am considering the possibility to build a computer for chess, for my own >>program (http://www.msu.edu/~ballicor/gav). >>My program is bitboard based but still uses structures of 32 bits; however, >>going to 64 bits ints should be easy. So, it is very tempting to me to buy a 64 >>bit AMD. What motherboard should I consider? what CPU? FX or not? Opteron? any >>other hint? >> >>The more options you give me the better because I have to consider the price. >>I would like to have something fast but I would not pay double to get 10% >>increase in performance, for instance. >> >>Dual would be nice, because I plan to develop an SMP engine in the future, but >>it might wait if it is too expensive. >> >>How about hard drives? any suggestion? >> >>Are any compilers that produce binaries that take advantage of the 64 bits? >>GCC? Intel? >> >>If the hardware is compatible with Linux much better because I plan to use that >>OS for other scientific programs. >> >>Thanks a lot. >> >>Miguel > >maybe some people would be nice enough to benchmark your code on their machine >for you, so you can have some idea before spending $$$. Or you benchmark say the >current crafty on your current machine, and compare that to other's benchmarks. Crafty or any other bitboard program would be very good. Anyone that wants to benchmark my program would be very welcome, but its value its limited because I feel I can optimize it once I have the machine on my hands. For instance, my program is bitboard but uses 2 x 32 bit integers on purpose. So, right now it won't take advantage of the 64 bits more than any other 32 bit program. Miguel > >I run a athlon 2500xp overclocked to 3200Xp with 400Mhz RAM. It is fast, damn >fast. > >RAM speed _does_ make a difference, the 333mhz - 400Mhz RAM gave me about 10-15% >speedup. Bandwidth doesnt matter as much as latency. A few people would contend >all chess programs are memory latency bound - I agree. > >Scott
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