Congrats the Komodo Team

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noobpwnftw
Posts: 356
Joined: Sun Nov 08, 2015 10:10 pm

Re: Congrats the Komodo Team

Post by noobpwnftw » Sat Aug 17, 2019 1:17 pm

zullil wrote:
Sat Aug 17, 2019 10:07 am
mjlef wrote:
Sat Aug 17, 2019 1:25 am
zullil wrote:
Fri Aug 16, 2019 10:09 am
mjlef wrote:
Fri Aug 16, 2019 4:24 am
I think I need to do some more programming to take advantage of an 8 NUMA node machine. All those cores trying to access memory requires more speical memory management, so we will work on it. Komodo was getting about 70-90 million nps for much of the positions, but faster in endgames. With some work it can probably do better, but each processor doubling gives less and less elo and at some point, more is less.
Out of curiosity, what are the "node distances" on that machine? Under Linux, that table is provided by running

Code: Select all

numactl --hardware
here they are:
node distances:
node 0 1 2 3 4 5 6 7
0: 10 20 20 20 20 20 20 20
1: 20 10 20 20 20 20 20 20
2: 20 20 10 20 20 20 20 20
3: 20 20 20 10 20 20 20 20
4: 20 20 20 20 10 20 20 20
5: 20 20 20 20 20 10 20 20
6: 20 20 20 20 20 20 10 20
7: 20 20 20 20 20 20 20 10
Thanks. So all other nodes are "equidistant" from any one fixed node. So even if a given search thread wanders off its preferred node, the penalty is never too severe.
It's a benefit of the new UPI interconnect, however the actual latency seems to be higher on average than the earlier QPI version, at least for TT-style access patterns.

uaf
Posts: 98
Joined: Sat Jul 31, 2010 6:48 pm
Full name: Ubaldo Andrea Farina
Contact:

Re: Congrats the Komodo Team

Post by uaf » Sat Aug 17, 2019 2:06 pm

Congratulations Mark and Larry for the well deserved win.

mehmet karaman
Posts: 142
Joined: Tue Jan 28, 2014 7:37 am
Location: TURKEY

Re: Congrats the Komodo Team

Post by mehmet karaman » Sun Aug 18, 2019 9:25 am

Komodo has been the champion for the fourth time consecutively. Except Komodo neither program has won more than 2 consecutive tournaments.

Stockfish has not participated in this tournament. Komodo is not responsible for this.
Bobby Fischer (2780 elo) hadn't participate at 1975 World Champion Match. But we accept Anatoly Karpov (2705 elo) the 12th World Chess Champion.

Stockfish is the strongest engine, but Komodo is the World Champion.

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