Computer Chess Club Archives


Search

Terms

Messages

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

Author: Robert Hyatt

Date: 22:32:21 05/15/04

Go up one level in this thread


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...





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.