Author: martin fierz
Date: 22:56:18 09/16/02
Go up one level in this thread
On September 17, 2002 at 01:30:27, Dave Gomboc wrote: >On September 16, 2002 at 14:25:06, Dave Gomboc wrote: > >>On September 16, 2002 at 03:45:03, martin fierz wrote: >> >>>oh - too bad! i'd have been interested - i'm sure chinook would have solved this >>>faster than my engine, but i'd have liked to know how much faster. i've found a >>>problem in my evaluation which hurts in this particular position - i'll have to >>>try and fix it. thx for trying anyway! >>> >>>aloha >>> martin >> >>I will ask again when it is done. The code is being upgraded to allow the use >>of the 10-piece tablebases. (Not all of them are generated yet, but it can use >>the partial set that has been computed.) >> >>Dave > >Oh, one more thing, Martin. I asked about the processing power of the SGI >machine that was used in 1994-95. Jonathan told me that he got about 100K >nodes/second, and we (back-of-the-envelope :-) figured that the ballpark >Intel-based PC equivalent to that hardware is about a Pentium (I) 150 MHz. So I >underestimated with single-double digit megahertz, but Pentium III 1 GHz is way >off the mark too. > >Dave hi dave thanks for the update. i thought it was jonathan's estimate about 1GHz - IIRC it was something he said to murray cash who passed it on to me. but i could be very mistaken about that - it's a long time ago... i only know that there were 8 150MHz processors in that SGI and so 1GHz seemed to make sense if you assume that these processors were about as powerful as a P3. but it seems that either they weren't anywhere near (i always thought the main improvements of today's processors were the higher MHz possible because of the smaller structures, and that they weren't that much better otherwise? eg P4 vs P3 was even a step backwards in performance/MHz, but just much more MHz) or the parallelization was very expensive. BTW, is the progress on the 10pc db a secret or can you tell me how soon it will be done? aloha martin
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.