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Subject: Re: question about buying new hardware

Author: Slater Wold

Date: 06:09:14 05/11/04

Go up one level in this thread


On May 11, 2004 at 04:05:49, Uri Blass wrote:

>On May 11, 2004 at 03:32:25, Slater Wold wrote:
>
>>On May 11, 2004 at 02:06:46, Uri Blass wrote:
>>
>>>I plan to buy new hardware for WCCC and my question is which hardware is best
>>>for movei.
>>>
>>>If people can run movei in the opening position and tell me nodes per second
>>>then it may be productive for me in deciding about buying new hardware.
>>>
>>>I want to know nodes per second that I can get in the opening position
>>>
>>>I am interested in the result that I can get in different hardwares.
>>>
>>>I do not plan to implement parallel search but having 2 processors have the
>>>advantage that I can test with pondering and get results that I can trust so I
>>>did not decide if to buy a machine with one processor or 2 processors and if the
>>>difference in speed between one processor and 2 processor is small enough then I
>>>may decide to go for 2 processors.
>>>
>>>Uri
>>
>>AMD FX53 (2.4Ghz):
>>
>>Movei00_8_178  WB2 17 MB:
>> 1   00:00  0.35   b1c3
>> 2   00:00  0.09   b1c3 b8c6
>> 2   00:00  0.10   d2d4
>> 2   00:00  0.16   d2d4 b8c6
>> 2   00:00  0.17   e2e4
>> 2   00:00  0.21   e2e4 b8c6
>> 3   00:00  0.40   e2e4 e7e5 f1c4
>> 4   00:00  0.06   e2e4 e7e5 d1h5 b8c6
>> 5   00:00  0.34   e2e4 d7d5 b1c3 g8f6 e4d5 f6d5 f1b5 c7c6 c3d5 d8d5
>> 6   00:00  0.10   e2e4 e7e5 b1c3 f8c5 d1g4 g7g5
>> 7   00:00  0.12   e2e4 d7d5 e4e5 b8c6 d2d4 c8f5 b1c3
>> 7   00:00  0.13   d2d4
>> 7   00:00  0.30   d2d4 e7e6 c1f4 b8c6 g1f3 f8b4 c2c3 b4e7
>> 8   00:01  0.09   d2d4 g8f6 b1c3 d7d5 e2e3 c8g4 f1e2 g4f5
>> 9   00:01  0.11   d2d4 g8f6 e2e3 e7e6 g1f3 b8c6 f1b5 f8b4 c1d2 b4d6
>> 9   00:01  0.12   g1f3
>> 9   00:01  0.11   d2d4 g8f6 e2e3 e7e6 g1f3 b8c6 f1b5 f8b4 c1d2 b4d6
>>10   00:02  0.10   d2d4 g8f6 b1c3 e7e6 g1f3 f8b4 c1g5 h7h6 g5f4 b8c6
>>10   00:03  0.11   b1c3
>>10   00:04  0.18   b1c3 b8c6 d2d4 e7e6 g1f3 f8b4 e2e4 d7d5 c1g5 g8e7
>>11   00:06  0.15   b1c3 d7d5 d2d4 g8f6 g1f3 e7e6 c1f4 f8b4 e2e3 b4c3 b2c3 b8c6
>>11   00:07  0.16   d2d4
>>11   00:12  0.19   d2d4 g8f6 g1f3 e7e6 e2e3 b8c6 f1b5 a7a6 b5c6 d7c6 b1c3
>>12   00:24  0.11   d2d4 g8f6 g1f3 e7e6 e2e3 d7d5 b1c3 f8b4 f3e5 e8g8 a2a3 b4a5
>>
>>676,440 N/sec
>>
>>I would venture to say optimized and profiled with Whidbey, it'd be over 700k.
>>
>>Send me the source, and I'll tell you what it runs with Whidbey 32-bit & 64-bit.
>> ;)
>
>Thanks for the information.
>It is more than 3 times faster than the best hardware that I have today and it
>is also more than 50% faster than the hardware that was used in the last CCT
>tournament.
>
>I am sure that it is possible to get speed improvement from better compiler.
>I know what I did not do and I did not do profile based optimization(I have only
>microsoft visual C++6 and I do not have newer compiler and it is impossible to
>do profile based optimization or I do not know how to do it with the compiler
>that I have).

1M+ 64-bit easy.

>I will consider if to send the source.
>I will not make it public in the near future in any case but I may decide to
>send it to somebody to get some speed improvement before the tournament.

Your source would be safe with me.  I can sign a NDA if you'd like.  ;)

>I plan to release a new version in the next week.
>
>no promise for big improvement but I plan to give the user options to change
>personalities by changing weights in the program and I also hope to implement a
>book that knows about tranposition but no promise about it.
>
>Another reason to release a new version is that I corrected a bug that can cause
>movei to lose games on time in rare cases.
>
>Uri



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