Author: Uri Blass
Date: 17:14:16 10/10/03
Go up one level in this thread
On October 10, 2003 at 18:52:40, Dann Corbit wrote: >On October 10, 2003 at 18:30:18, K. Burcham wrote: > >> >> >>I also believe mhz makes a big difference in game results and analysis. >> >>I remember a reply to one of my posts regarding SSDF hardware upgrades. I >>thought it was important for SSDF to upgrade for more accurate test results. At >>the time I think SSDF was using 450 mhz AMD. >> >>Have you had a change of heart about the importance of mhz. Does size make a >>difference to you? I will always post with MHZ and program. I think Dan's idea >>of MHZ in profile is good. >> >>here is the post I am refering to: >> >> >> >>Christophe Theron on May 30, 2001 at 22:48:09 >> >> >>I'm happy to learn that the computer I work on everyday is antique. >> >>If there is a difference in elo increase between programs, it is likely to be >>under the error margin you can expect from 200 games, so you won't be able to >>detect it by comparing the results on 450MHz computers with the results on >>1500MHz. >> >>If you really believe that the SSDF is way off by testing on 450MHz computers, >>you are living with illusions. >> >>But they know that there are people like you, so they're going to update their >>hardware soon. >> >>That won't change a thing, except that next year you are going to complain about >>those antique 1500MHz computers. >> >>Meanwhile, a year without barking at the SSDF hardware level is something we are >>all going to enjoy. > >Here is what I think is going on: > >Christophe is a chess program developer. Most people here are chess program >end-users or enthusiasts. > >For the broad majority of people, they want to know the answer to a question >like: "What is the best move to make here?" >Christophe also wants to know: "What sort of experimental setup were you using?" > >The reason is one of performance. A 75 MHz PII is absurdly slower than some >monster machine like Slater's. And so if someone says: >"My program solved it in 8 seconds!" >It makes a big difference to him to know what the hardware and software was >exactly. Otherwise, there is no way for him to make a sensible comparison. > >If he is using a 733 MHz machine and you are using a 3.8 GHz machine, we should >not expect both machines to get the answer at the same time. If he solves it in >12 seconds and you solve it in 8 seconds, which is better? We don't know unless >we have clues about the hardware. > >So, let's all make C.T. a happy fellow and write down our hardware in our >profile. You can do it only if you always use the same hardware for analysis but people may have more than one computer that they use. Uri
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