Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Parallel Zappa: 22 seconds for Nd4

Author: Anthony Cozzie

Date: 05:25:05 07/22/04

Go up one level in this thread


On July 21, 2004 at 23:15:06, Matthew Hull wrote:

>On July 21, 2004 at 21:11:22, Anthony Cozzie wrote:
>
>>[D] 2R2b1r/3nkp2/B2pp1p1/1N4Pn/P3P3/4BP2/1r5q/3QK1R1 w - -
>>
>>Zappa: 2x1.8
>>
>>1. Rg1-g4 f7-f5 2. Be3-g1 Qh2-e5 3. Bg1-d4 Nh5-g7 4. Rg4-g1 Qe5-h2 5. e4xf5
>>Qh2-h4 6. Ke1-f1
>> = (1.08)	Depth: 9/28	00:00:05.92	6766kN (1142 KN/s, 461 splits)
>>1. Rg1-g4--
>> - (0.83)	Depth: 10/28	00:00:06.57	7658kN (1165 KN/s, 468 splits)
>>1. Rg1-g4--
>> - (0.83)	Depth: 10/30	00:00:11.47	14384kN (1253 KN/s, 730 splits)
>>1. Rg1-g4 f7-f5 2. Be3-g1 Qh2-e5 3. Bg1-d4 Nh5-g3 4. Bd4xb2 Rh8-h1 5. Ke1-f2
>>Ng3xe4 6. f3xe4 Qe5xb2 7. Qd1-c2 Qb2xc2 8. Rc8xc2 f5xg4
>> = (-1.19)	Depth: 10/30	00:00:14.75	18707kN (1268 KN/s, 751 splits)
>>1. Nb5-d4 Qh2-h4 2. Ke1-f1 Qh4-h3 3. Kf1-e1 Qh3-h4
>> = (0.00)	Depth: 10/30	00:00:22.33	28728kN (1286 KN/s, 808 splits)
>>
>>Zappa: 1x1.8
>>
>>1. Rg1-g4 f7-f5 2. Be3-g1 Qh2-e5 3. Bg1-d4 Nh5-g7 4. Rg4-g1 Qe5-h2 5. e4xf5
>>Qh2-h4 6. Ke1-f1
>> = (1.08)	Depth: 9/26	00:00:09.01	5713kN (633 KN/s, 0 splits)
>>1. Rg1-g4--
>> - (0.83)	Depth: 10/26	00:00:10.13	6524kN (644 KN/s, 0 splits)
>>1. Rg1-g4--
>> - (0.83)	Depth: 10/32	00:00:21.09	14088kN (668 KN/s, 0 splits)
>>1. Rg1-g4 f7-f5 2. Be3-g1 Qh2-e5 3. Bg1-d4 Nh5-g3 4. Bd4xb2 Rh8-h1 5. Ke1-f2
>>Ng3xe4 6. f3xe4 Qe5xb2 7. Qd1-c2 Qb2xc2 8. Rc8xc2 f5xg4
>> = (-1.19)	Depth: 10/32	00:00:25.81	17343kN (672 KN/s, 0 splits)
>>1. Nb5-d4 Qh2-h4 2. Ke1-f1 Qh4-h3 3. Kf1-e1 Qh3-h4
>> = (0.00)	Depth: 10/32	00:00:48.41	32288kN (667 KN/s, 0 splits)
>>
>>The >2 speedup exposes my poor eval and move ordering :(  Of course, I'm pretty
>>happy it is all working, but I am sure there are some bugs left . . .
>>
>>anthony
>
>
>Did you end up using threads for your parrallel search?

Threads . . . they just make more sense then processes.

anthony



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.