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Subject: Re: Singular Extension Crafties

Author: Vincent Diepeveen

Date: 06:42:32 09/12/01

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On September 12, 2001 at 04:03:00, Bernhard Bauer wrote:

>On September 11, 2001 at 10:32:54, Robert Hyatt wrote:
>
>>On September 11, 2001 at 03:39:52, Bernhard Bauer wrote:
>>
>>>On September 10, 2001 at 15:53:36, Robert Hyatt wrote:
>>>
>>>>On September 10, 2001 at 15:46:38, Robert Hyatt wrote:
>>>>
>>>>>On September 10, 2001 at 13:46:10, Dann Corbit wrote:
>>>>>
>>>>>>On September 10, 2001 at 13:35:19, Robert Hyatt wrote:
>>>>>>[snip]
>>>>>>>BTW crafty generally gets 299/300 on a 750mhz machine.  If you are using an
>>>>>>>800 and getting 295/300 something seems amiss...
>>>>>>
>>>>>>I only allow 5 seconds per position.  If your version can do that on 750 MHz, it
>>>>>>will rule the world.
>>>>>>;-)
>>>>>
>>>>>
>>>>>OK... didn't see the 5 seconds.  I do know of at least one program that
>>>>>used to get 'em all at 5 seconds.  :)
>>>>
>>>>
>>>>I just checked my log files.  A 600mhz 21264 gets 298/300 in 5 seconds, and
>>>>gets 299 in 10 seconds, and gets them all in 60 seconds.  Single-cpu.  Tim Mann
>>>>ran the test last year some time.
>>>>
>>>>nice box.  :)
>>>>
>>>>Actually that 21264 will get 298 in 3 seconds/move
>>>
>>>Here are some benchmarks from SPEC including the time for the crafty part.
>>>Sortet by Crafty-time, Int-peak and Ftp-peak.
>>>The Alpha 21264C has a small advantage.
>>>							SORT
>>>SPEC	benchmark suite	MHz	Fp base	Fp peak	Int base	Int peak	Crafty time	Time /
>>>Ghz
>>>Compaq	Alpha 21264C	1001	585	756	561	621	124	124,12
>>>AMD	Athlon	1400	426	458	495	554	126	176,4
>>>AMD	Athlon MP	1200	433	481	495	522	144	172,8
>>>Compaq	Alpha 21264A	833	571	644	511	533	156	129,95
>>>Dell	Pentium 4	1800	615	631	599	619	170	306
>>>Dell	Pentium 3	1000	329	340	454	462	191	191
>>>
>>>						SORT
>>>SPEC	benchmark suite	MHz	Fp base	Fp peak	Int base	Int peak	Crafty time	Time /
>>>Ghz
>>>Compaq	Alpha 21264C	1001	585	756	561	621	124	124,12
>>>Dell	Pentium 4	1800	615	631	599	619	170	306
>>>AMD	Athlon	1400	426	458	495	554	126	176,4
>>>Compaq	Alpha 21264A	833	571	644	511	533	156	129,95
>>>AMD	Athlon MP	1200	433	481	495	522	144	172,8
>>>Dell	Pentium 3	1000	329	340	454	462	191	191
>>>
>>>
>>>
>>>				SORT
>>>SPEC	benchmark suite	MHz	Fp base	Fp peak	Int base	Int peak	Crafty time	Time /
>>>Ghz
>>>Compaq	Alpha 21264C	1001	585	756	561	621	124	124,12
>>>Compaq	Alpha 21264A	833	571	644	511	533	156	129,95
>>>Dell	Pentium 4	1800	615	631	599	619	170	306
>>>AMD	Athlon MP	1200	433	481	495	522	144	172,8
>>>AMD	Athlon	1400	426	458	495	554	126	176,4
>>>Dell	Pentium 3	1000	329	340	454	462	191	191
>>>
>>>BTW testing with WAC will not lead to any progress!
>>>
>>>Kind regards
>>>Bernhard
>>
>>
>>I disagree to your last comment on two grounds:
>>
>>1.  new programs will _definitely_ improve as their WAC scores improve.  Getting
>>the right extensions to solve these quickly is the fastest way to eliminating
>>the ugly tactical blunders likely in newer programs.
>>
>
>I wasn't refering to new programs. For new programs anything may be good.
>I was thinking about crafty and how to make it even better.
>Crafty has reached a high standard and solves 290+ positions. Improvements for
>playing better may not be visible by running test with very short time.
>
>>2.  running WAC after significant changes will _also_ help a lot.  If you
>>start missing some that you were getting instantly, you have broken something
>>important.
>
>I guess you know wac very well from many years and if you mean that it helps a
>lot to see that nothing serios is broken, I agree.
>
>BTW crafty was always very good in solving the famous Ortueta-Sanz position.
>The latest versions do not so well. This shows that you have changed something,
>but is anythin´g broken?
>Here is the position.
>[D]8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1/ b
>Kind regards
>Bernhard

May i remind that diep solves all tactical wacs, except 1 or 2 endgames
which are not important, it doesn't solve.

If you can't solve all tactical WAC positions then a program
has a major problem as it's a testset about basic tactics.




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