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Subject: Re: But, Re: Questions re P4 3.03 with HT ??

Author: Jeremiah Penery

Date: 08:34:45 12/10/02

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On December 10, 2002 at 10:57:40, Robert Hyatt wrote:

>On December 10, 2002 at 09:08:10, Vincent Diepeveen wrote:
>
>>Matt i don't know it for crafty or other crap products. Crafty as we
>>see in test needs less nodes when running MT=2,
>
>I realize this is hard for you to do, but is it _possible_ that you can stick
>to _real_ data when you post?  The above is _absolute_ crap.  Crafty does
>_not_ "need less nodes when MT=2".  In some positions, yes, but in
>more positions it needs _more_.  And for the average case it needs _more_.
>
>I don't know why you continue to post something that any person here can
>refute simply by running the code.  I've done it for you many times.  The
>above is false.  Please find something _else_ to wave your hands about.

It came from the original data in this thread:

Crafty v18.15
White(1): bench
Running benchmark. . .
......
Total nodes: 97487547
Raw nodes per second: 1160566
Total elapsed time: 84
SMP time-to-ply measurement: 7.619048
White(1):
-------------------------------------
Crafty v18.15 (2 cpus)
White(1): bench
Running benchmark. . .
......
Total nodes: 94658095
Raw nodes per second: 1314695
Total elapsed time: 72
SMP time-to-ply measurement: 8.888889


>What is "a buggy crafty?"  And what is the 13-16%?  I posted _real_ data.  You
>post fantasy without even having access to a box?  And that is fact???

You can see also that the NPS speedup in that above data is 13%.



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