Author: Kim Roper Jensen
Date: 08:10:13 01/17/01
Go up one level in this thread
On January 15, 2001 at 21:00:42, Robert Hyatt wrote: >On January 15, 2001 at 18:13:00, Bas Hamstra wrote: > >>On January 15, 2001 at 11:25:53, Robert Hyatt wrote: >> >>>On January 15, 2001 at 10:45:21, Kim Roper Jensen wrote: >>> >>>>Hi >>>> >>>>I just wondered, If u have a slow processor how would u program it to play chess >>>>?? >>>> >>>>I mean will u try to create a big eval and hope it selects "good & natural" >>>>moves and have small depths, or do u try make a small eval and hope u can >>>>calculate to a reasonable depth ???? >>>> >>>>Or is there no difference in program design, when u program a fast or slow >>>>processor ?? >>>> >>>>With regards and thamks in advance >>>>Kim >>> >>> >>>There is definitely a "balance" point between evaluation and search. If you >>>slow the machine down enough so that the big eval causes the search to be >>>unable to reach a reasonable depth, then you have a positionally smart but >>>tactically stupid program. The inverse can happen as easily. Striking a >>>good balance between smarts and tactics is a big issue... >> >>Question is: is that balance different for slow cpu's? And question 2 is: are >>you going to play fast cpu's? That extremely hard to compete anyway. For a game >>between 2 very slow processors I would think the balance would more go to less >>smart, more tactical, faster, than for fast processors. Stuff it with extensions >>and make a Genius. For fast processors that doesn't work. >> >>Bas. > > >I believe that the cpu speed makes a difference. I believe that it is >possible (and probable) that if you play program A vs B, where A is designed >and tested to run on a 200mhz processor, and B is designed on a 1ghz processor, >that if both use 200 mhz processors, A will win, and if both use 1ghz >processors, B will win. This is excaxtly what i mean, how will the implementation/design of the engine differ from each other ???? > >I had a similar problem in testing/developing Cray Blitz on a vax, but running >it on a Cray. It was a real problem.
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