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Stockfish port to C# Complete
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Mark Pearce



Joined: 12 Jan 2012
Posts: 61
Location: London, England
PostPost subject: Re: Stockfish port to C# Complete    Posted: Sat Mar 24, 2012 11:43 am Reply to topic Reply with quote
diep wrote:
Realistically an optimized beancounter doing what you wrote at 4.6Ghz is gonna get nearly 10 mln nps or so.

Apologies for the delay in my reply - too much work on at the moment.

To test your theory, I ran Houdini 2.0c on 3 positions with a 1 MB hash table, single core, and a fixed depth of 15. The use of a fixed depth setting prevents QS slowing the Houdini search, given that Amaia doesn't use QS yet. Then I used the same positions and settings for Amaia. I used Arena 3.0 as the GUI.

Houdini almost certainly has a considerably more sophisticated evaluation function, thus slowing down its search. In return, Amaia has no TT yet, which slows down its search. And also Amaia is relatively unoptimised - I've only spent a grand total of 80 hours working on it from scratch.

The result of this experiment is that Houdini searched between 3.8M and 5.6M nps. Amaia searched between 3.5M and 4.2M nps. Nowhere do I see your "factor of 4", so I don't know where that comes from.
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Theory is when you know something, but it doesn't work. Practice is when something works, but you don't know why. Chess programmers combine theory and practice: Nothing works and they don't know why.
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Subject Author Date/Time
Stockfish port to C# Complete David Whitten Thu Mar 15, 2012 9:13 pm
      Re: Stockfish port to C# Complete Jan Brouwer Thu Mar 15, 2012 9:29 pm
            Re: Stockfish port to C# Complete David Whitten Thu Mar 15, 2012 9:45 pm
                  Re: Stockfish port to C# Complete Jan Brouwer Thu Mar 15, 2012 10:51 pm
                        Re: Stockfish port to C# Complete David Whitten Thu Mar 15, 2012 11:04 pm
                              Re: Stockfish port to C# Complete Mel Cooper Mon Mar 19, 2012 12:11 pm
                        Re: Stockfish port to C# Complete David Whitten Thu Mar 15, 2012 11:08 pm
                        Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 18, 2012 2:57 pm
                              Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 18, 2012 3:05 pm
                                    Re: Stockfish port to C# Complete David Whitten Sun Mar 18, 2012 3:24 pm
                                          Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 18, 2012 3:27 pm
                                                Re: Stockfish port to C# Complete David Whitten Sun Mar 18, 2012 3:44 pm
                                                      Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 18, 2012 3:47 pm
                                                            Re: Stockfish port to C# Complete David Whitten Sun Mar 18, 2012 3:59 pm
                                                                  Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 18, 2012 4:11 pm
                                                                        Re: Stockfish port to C# Complete Marco Costalba Sun Mar 18, 2012 4:49 pm
                                                                              Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 18, 2012 5:00 pm
                                                                                    Re: Stockfish port to C# Complete Marco Costalba Sun Mar 18, 2012 5:22 pm
                                                                              Re: Stockfish port to C# Complete Ronald de Man Sun Mar 18, 2012 5:53 pm
                                                                                    Re: Stockfish port to C# Complete David Whitten Sun Mar 18, 2012 7:01 pm
                                                                                          Re: Stockfish port to C# Complete Matthew R. Brades Sun Mar 18, 2012 7:06 pm
                                                                                          Re: Stockfish port to C# Complete Ronald de Man Sun Mar 18, 2012 7:10 pm
                                                                                          Re: Stockfish port to C# Complete Marco Costalba Sun Mar 18, 2012 10:31 pm
                                                                                          Re: Stockfish port to C# Complete David Whitten Mon Mar 19, 2012 3:55 am
                                                                                          Re: Stockfish port to C# Complete Marco Costalba Mon Mar 19, 2012 7:42 am
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Mon Mar 19, 2012 8:00 am
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Mon Mar 19, 2012 8:03 am
                                                                                          Re: Stockfish port to C# Complete Ronald de Man Mon Mar 19, 2012 7:41 pm
                                    Re: Stockfish port to C# Complete Mark Pearce Mon Mar 19, 2012 4:27 pm
                                          Re: Stockfish port to C# Complete Vincent Diepeveen Tue Mar 20, 2012 1:12 am
                                                Re: Stockfish port to C# Complete Mark Pearce Sat Mar 24, 2012 11:43 am
                                                      Re: Stockfish port to C# Complete Gary Sat Mar 24, 2012 1:15 pm
                                                            Re: Stockfish port to C# Complete Mark Pearce Sat Mar 24, 2012 3:28 pm
                                                                  Re: Stockfish port to C# Complete Mark Pearce Sat Mar 24, 2012 5:13 pm
                                                                        Re: Stockfish port to C# Complete Balint Pfliegel Sun Mar 25, 2012 7:15 am
                                                                              Re: Stockfish port to C# Complete Mark Pearce Sun Mar 25, 2012 10:40 am
                                                                        Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 25, 2012 9:50 am
                                                                              Re: Stockfish port to C# Complete Marco Costalba Sun Mar 25, 2012 10:14 am
                                                                                    Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 25, 2012 3:23 pm
                                                                                          Re: Stockfish port to C# Complete Marco Costalba Sun Mar 25, 2012 5:16 pm
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Mon Mar 26, 2012 9:34 pm
                                                                                          Re: Stockfish port to C# Complete Jim Ablett Tue Mar 27, 2012 10:23 pm
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Wed Mar 28, 2012 9:03 am
                                                                                          Re: Stockfish port to C# Complete Jim Ablett Wed Mar 28, 2012 11:13 am
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Wed Mar 28, 2012 12:39 pm
                                                                                          Re: Stockfish port to C# Complete Jim Ablett Wed Mar 28, 2012 12:48 pm
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Wed Mar 28, 2012 12:54 pm
                                                                                          Re: Stockfish port to C# Complete Jim Ablett Wed Mar 28, 2012 1:06 pm
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Wed Mar 28, 2012 1:08 pm
                                                                                          Re: Stockfish port to C# Complete Robert Hyatt Wed Mar 28, 2012 5:01 pm
                                                                                          Re: Stockfish port to C# Complete Jim Ablett Wed Mar 28, 2012 5:19 pm
                                                                                          GCC 4.7.0 versus intel c++ Vincent Diepeveen Fri Mar 30, 2012 12:15 am
                                                                                          Re: GCC 4.7.0 versus intel c++ Jim Ablett Fri Mar 30, 2012 9:18 am
                                                                                          Re: GCC 4.7.0 versus intel c++ Vincent Diepeveen Fri Mar 30, 2012 1:15 pm
                                                                                          Re: Stockfish port to C# Complete Ricardo Barreira Wed Mar 28, 2012 2:46 pm
                                                                              Re: Stockfish port to C# Complete Mark Pearce Sun Mar 25, 2012 11:03 am
                                                                                    Re: Stockfish port to C# Complete Balint Pfliegel Sun Mar 25, 2012 12:31 pm
                                                                                          Re: Stockfish port to C# Complete Vincent Diepeveen Sun Mar 25, 2012 3:39 pm
                                                                                          Re: Stockfish port to C# Complete Balint Pfliegel Sun Mar 25, 2012 4:50 pm
                                                                                          Re: Stockfish port to C# Complete Balint Pfliegel Sun Mar 25, 2012 5:05 pm
                                                                                          Re: Stockfish port to C# Complete David Whitten Sun Mar 25, 2012 8:31 pm
                                                                                          Re: Stockfish port to C# Complete Ted Wong Mon Mar 26, 2012 12:50 am
                                                                                          Re: Stockfish port to C# Complete David Whitten Mon Mar 26, 2012 10:38 am
                                                                                          Re: Stockfish port to C# Complete Balint Pfliegel Mon Mar 26, 2012 6:02 am
                                                                                          Re: Stockfish port to C# Complete David Whitten Mon Mar 26, 2012 10:42 am
                                                                                    Re: Stockfish port to C# Complete Vincent Diepeveen Mon Mar 26, 2012 9:59 pm
                                                                                          Re: Stockfish port to C# Complete Mark Pearce Tue Mar 27, 2012 7:43 pm
      Re: Stockfish port to C# Complete David Whitten Sun Mar 18, 2012 3:23 am
            Re: Stockfish port to C# Complete Balint Pfliegel Wed Mar 21, 2012 10:48 pm
                  Re: Stockfish port to C# Complete David Whitten Thu Mar 22, 2012 4:19 am
                        Re: Stockfish port to C# Complete Balint Pfliegel Thu Mar 22, 2012 6:51 am
                              Re: Stockfish port to C# Complete David Whitten Thu Mar 22, 2012 3:19 pm
                                    Re: Stockfish port to C# Complete Balint Pfliegel Fri Mar 23, 2012 5:47 am
      Re: Stockfish port to C# Complete Jim Ablett Wed Mar 28, 2012 4:14 pm
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