HIARCS Chess Forums Forum Index HIARCS Chess Forums
World Championship winning computer chess software program & downloads for chess database, analysis and play on PC, Mac and iPhone
 
 QuestionsQuestions   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Private MessagesPrivate Messages   Log inLog in 

Chess on the Raspberry Pi

 
Post new topic   Reply to topic    HIARCS Chess Forums Forum Index -> Programming Discussions
View previous topic :: View next topic  
Author
sje
Full Member


Joined: 28 Sep 2013
Posts: 639
Full Name: Steven Edwards
Location: Land of Snow, Mud, and Bugs, NH USA

PostPosted: Thu Jan 23, 2014 11:45 pm    Post subject: Chess on the Raspberry Pi Reply with quote

This is a topic thread for Raspberry PI chess work.



I have ported the development version of Symbolic to my Raspberry Pi board. I've overclocked the board from 700 MHZ to 800 MHz and many long tests have shown this speed-up to fully reliable.

Perft(6) with full node expansion (12 min 21 sec):
Code:
[] pcfull 6
PathFull(6): 119,060,324   Pt: 12:03.010   Wt: 12:20.673   160.746 KHz   6.22099 us
Total: one hundred nineteen million sixty thousand three hundred twenty-four

Perft(7) with transposition assistance and bulk counting (4 min 26 sec):
Code:
[] pctran 7
PathTran(7): 3,195,901,860   Pt: 4:19.140   Wt: 4:25.995   12.0149 MHz   83.2302 ns
Total: three billion one hundred ninety-five million nine hundred one thousand eight hundred sixty

Perft(8) with transposition assistance and bulk counting (59 min 52 sec):
Code:
[] pctran 8
PathTran(8): 84,998,978,956   Pt: 58:23.240   Wt: 59:51.668   23.6656 MHz   42.2554 ns
Total: eighty-four billion nine hundred ninety-eight million nine hundred seventy-eight thousand nine hundred fifty-six
Back to top
View user's profile Send private message
sje
Full Member


Joined: 28 Sep 2013
Posts: 639
Full Name: Steven Edwards
Location: Land of Snow, Mud, and Bugs, NH USA

PostPosted: Tue Jan 28, 2014 7:41 pm    Post subject: Reply with quote

Raspberry Pi (700 MHz) calculating perft(9) with transposition assistance and bulk counting (18 hr 23 min):
Code:
[] pctran 9
PathTran(9): 2,439,530,234,167   Pt: 1:05:24.990   Wt: 18:23:17.651   36.8522 MHz   27.1354 ns
Total: two trillion four hundred thirty-nine billion five hundred thirty million two hundred thirty-four thousand one hundred sixty-seven

Compare the above with a run on a 3.4 GHz Core i7 (4 min 17 sec):
Code:
[] pctran 9
PathTran(9): 2,439,530,234,167   Pt: 34:02.527   Wt: 4:17.174   9.48591 GHz   105.419 ps
Total: two trillion four hundred thirty-nine billion five hundred thirty million two hundred thirty-four thousand one hundred sixty-seven
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    HIARCS Chess Forums Forum Index -> Programming Discussions All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group
Protected by Anti-Spam ACP