Search found 178 matches

by ernst
Tue Jun 15, 2021 3:34 pm
Forum: Computer Chess Club: General Topics
Topic: Fluctuations in Stockfish evaluation
Replies: 16
Views: 3201

Re: Fluctuations in Stockfish evaluation

I wonder what is the origin of these unpleasant fluctuations and if there is a solution. What would be the point of searching longer/deeper if fluctuations did not exist? If you don't want fluctuations, search to depth 1. This one made me chuckle. Shock and Awe must be your middle name. :lol:
by ernst
Thu May 20, 2021 3:54 am
Forum: Computer Chess Club: General Topics
Topic: Stockfish with new NNUE architecture and bigger net released
Replies: 54
Views: 23292

Re: Stockfish with new NNUE architecture and bigger net released

Is anybody seeing a difference in processor behavior with this new net? For some reason when I go from 16 to 32 threads the processor (5950x) now won't do much boosting at all. At 16 threads it's at 4.1ghz; at 32, it's at like 3.6. This was not the behavior with the version from just a couple of da...
by ernst
Fri Sep 11, 2020 1:51 pm
Forum: Computer Chess Club: General Topics
Topic: Crystal 3.0
Replies: 34
Views: 12649

Re: Crystal 3.0

Thanks Joseph, the source compiled without a hitch.
by ernst
Tue Sep 01, 2020 8:10 pm
Forum: Computer Chess Club: General Topics
Topic: SF NNUE and famous position
Replies: 6
Views: 2612

Re: SF NNUE and famous position

First run after reboot: Engine: Stockfish NNUE (20480 MB) by T. Romstad, M. Costalba, J. Kiiski, G. Hash table allocation: Windows large pages used. Found 510 tablebases NNUE evaluation using nn-82215d0fd0df.nnue enabled 25/51 0:00 +6.55 1.Ba3 Qxa3 2.Nh5+ gxh5 3.Qg5+ Kh8 4.Qxf6+ Kg8 5.Qf7+ Kh8 6.g3 ...
by ernst
Mon Jun 01, 2020 5:51 am
Forum: Computer Chess Club: General Topics
Topic: Forbidden
Replies: 55
Views: 16016

Re: Forbidden

Access from the Netherlands is restored as well.
by ernst
Tue May 26, 2020 1:45 pm
Forum: Computer Chess Club: General Topics
Topic: Forbidden
Replies: 55
Views: 16016

Re: Forbidden

Hi all, I'm still blocked from France. If this is a provider issue, i'd be glad to offer one of my OVH server to run the talkchess phpbb instance if needed. Regards, Blocked from the Netherlands too. Tried several ISPs to no avail so suspect region blocking. Acessing the forum with an VPN to the US...
by ernst
Sat May 23, 2020 7:17 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: MSYS2 pacman warning
Replies: 2
Views: 1127

Re: MSYS2 pacman warning

Same or similar problem here. I got it running through a new installation, but when I try to compile commands like Make and Strip are not found anymore.
by ernst
Mon May 18, 2020 12:28 pm
Forum: Computer Chess Club: General Topics
Topic: Strange behavior when analyzing
Replies: 3
Views: 758

Re: Strange behavior when analyzing

32 GB, AMD 3900x
by ernst
Mon May 18, 2020 11:59 am
Forum: Computer Chess Club: General Topics
Topic: Strange behavior when analyzing
Replies: 3
Views: 758

Re: Strange behavior when analyzing

The issue only happpens when Large Pages are being used.One can check tis with i.e. RAMmap.
by ernst
Mon May 18, 2020 10:21 am
Forum: Computer Chess Club: General Topics
Topic: Strange behavior when analyzing
Replies: 3
Views: 758

Strange behavior when analyzing

Hi all, perhaps someone can reproduce the following behavior With latest Stockfish Development and Large Pages in Windows. While analyzing the position below, I noticed that, after about 15 minutes, the nps drops signifcantly. At that same moment, CPU power consumption drops to half, but utilisation...