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Subject: Re: More parallel search data (results from dual G5)

Author: Frank Phillips

Date: 07:31:10 05/16/04

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On May 16, 2004 at 05:36:00, Frank Phillips wrote:

>On May 16, 2004 at 01:32:21, Robert Hyatt wrote:
>
>>On May 14, 2004 at 18:40:13, Frank E. Oldham wrote:
>>
>>>here's the speedup test results from dual G5 (2 GHz)
>>>crafty-19.10f
>>>
>>>best   speedup = 3.32
>>>worst speedup = 0.89
>>>
>>>mt=2a	mt=2b	mt=2c	mt=2d
>>>		  speedups
>>>====================
>>>1.88	1.52	1.87	1.54
>>>2.04	1.91	1.96	1.96
>>>1.77	1.79	1.77	1.76
>>>1.96	1.60	1.48	1.78
>>>2.92	2.92	2.77	2.92
>>>2.20	1.84	1.92	1.78
>>>1.87	1.87	1.87	1.87
>>>1.56	1.62	1.73	1.64
>>>1.76	1.62	1.79	1.69
>>>1.83	1.77	1.92	2.04
>>>2.03	2.32	1.90	2.17
>>>1.67	1.52	1.92	1.85
>>>1.12	1.08	1.45	1.99
>>>3.26	3.39	3.27	2.29
>>>1.29	1.20	1.30	1.31
>>>1.33	1.57	1.42	1.45
>>>1.51	1.55	1.99	2.08
>>>1.71	1.91	1.36	2.10
>>>1.54	2.67	2.21	3.32
>>>2.28	2.28	2.69	2.86
>>>1.45	2.17	1.55	2.00
>>>1.40	2.01	0.89	1.56
>>>1.53	1.69	1.65	1.52
>>>2.28	1.43	1.43	2.41
>>>====================
>>>1.84	1.89	1.84	2.00	mean speed-up
>>>0.50	0.53	0.51	0.49	stdev of mean speed-up
>>>
>>>results seem to match expected values; perhaps slightly higher than the Xeon
>>>tests
>>>because the memory interface is faster
>>>
>>>Frank
>>
>>Please don't post faked data here.  We know it is faked because Vincent has said
>>that _everybody_ that tests crafty on duals and quads can't get anywhere my
>>predicted 1.7x and 3.1x speedups...
>
>I played some games against Brettermeier on FICS
>
>1: Crafty v19.13 (8 cpus)
> 2: Sun Fire V880, 8x Ultrasparc III 900 MHz, 16GB RAM
>
>Might be worth contacting him, if you want data on an 8 cpu machine (?)
>
>I was not paying much attention during the games, but he seemed to be getting
>around 3.5 M nps at times.  Not shabby at all.
>
>Frank

A random selection of statistics:

cpu=4748%  1.88M
cpu=4834%  1.93M
cpu=5094%  3.24M
brettermeier(C)(2466)[73] whispers: ply=12; eval=Mat08; nps=2.86M; time=18.56;
\   cpu=4530%; egtb=0

Not sure how to interpret the 50 hundred %

Frank





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