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by Albert Silver
Sun Dec 09, 2018 6:07 pm
Forum: Computer Chess Club: General Topics
Topic: Alphazero news
Replies: 381
Views: 30010

Re: Alphazero news

Brute-forcing of those 28 million parameters of a evaluation function in a black-box style is neither efficient nor intelligent. Brute forcing? I think you are confusing it with your Stockfish box running on 384 threads. For generic algorithm, yes, a lazy man's solution to everything, but in chess ...
by Albert Silver
Sun Dec 09, 2018 4:51 pm
Forum: Computer Chess Club: General Topics
Topic: Alphazero news
Replies: 381
Views: 30010

Re: Alphazero news

Yet, that is what AlphaZero has done, and we are even able to bring this to the home user's PC thanks to Deep Mind's generosity with their knowledge, as well as the fantatsic Leela Chess community efforts. In other words that is not limited to some absurdly exotic hardware no one could ever hope to...
by Albert Silver
Sun Dec 09, 2018 4:34 pm
Forum: Computer Chess Club: General Topics
Topic: Alphazero news
Replies: 381
Views: 30010

Re: Alphazero news

1) Match vs. old version of SF. 2) AZ vs. SF + 17,= 75,- 8. It's score with TCEC openings. And still SF8 in (2), right? That's plus 32 elo. If the opponent was actually SF9 (does anyone know?) that would be about what I'd expect from SF10 under roughly TCEC conditions. So perhaps they are about equ...
by Albert Silver
Sat Dec 08, 2018 3:59 am
Forum: Computer Chess Club: General Topics
Topic: Alphazero news
Replies: 381
Views: 30010

Re: Alphazero news

Hello Matthew, nice to see you back after so long !! Does this mean Giraffe will get some updates in the future ? :D Thanks! Afraid not! AlphaZero is taking up all my time these days, and it's a very exciting project with lots of uncharted territory ahead :). AlphaZero is basically what I ever want...
by Albert Silver
Fri Dec 07, 2018 5:54 am
Forum: Computer Chess Club: General Topics
Topic: Alphazero news
Replies: 381
Views: 30010

Re: Alphazero news

Yes their data and match setup with the much faster hardware used by A0. Suggest it is time to get off the Google A0 hype train. A +52 ELO advantage shown in their results playing Stockfish under Googles testing conditions is nothing. Because their training is just initial trial run for NN.With the...
by Albert Silver
Fri Dec 07, 2018 1:59 am
Forum: Computer Chess Club: General Topics
Topic: My non-OC RTX 2070 is very fast with Lc0
Replies: 85
Views: 8750

Re: My non-OC RTX 2070 is very fast with Lc0

OK, something seems off. Why are the 2080 depth 17 nodes so many more than the depth 19 with the 2070? Maybe I am missing something. Thanks. Probably different nets used. But the speed should be fairly uniform with the latter test30 nets, so nps are probably fair to compare. I used 11250, which I h...
by Albert Silver
Fri Dec 07, 2018 1:45 am
Forum: Computer Chess Club: General Topics
Topic: Alphazero news
Replies: 381
Views: 30010

Re: Alphazero news

I have a few questions: TCEC SuFi used 120' + 15" TC, Division P used 90' + 10" TC, since DM went for mimicking TCEC conditions this time like using a 44-core machine and with the same openings, why mess with time controls(again)? Also, a year ago the NPS of A0 was 80K, now it is only around 60K, t...
by Albert Silver
Thu Dec 06, 2018 1:25 pm
Forum: Computer Chess Club: General Topics
Topic: My non-OC RTX 2070 is very fast with Lc0
Replies: 85
Views: 8750

Re: My non-OC RTX 2070 is very fast with Lc0

OK, something seems off. Why are the 2080 depth 17 nodes so many more than the depth 19 with the 2070? Maybe I am missing something. Thanks. Probably different nets used. But the speed should be fairly uniform with the latter test30 nets, so nps are probably fair to compare. I used 11250, which I h...
by Albert Silver
Wed Dec 05, 2018 11:56 pm
Forum: Computer Chess Club: General Topics
Topic: My non-OC RTX 2070 is very fast with Lc0
Replies: 85
Views: 8750

Re: My non-OC RTX 2070 is very fast with Lc0

Just got and installed it. With one of the latest nets, Lc0 v19 rc5 engine: UCI commands: setoption name Backend value cudnn-fp16 setoption name MinibatchSize value 512 setoption name NNCacheSize value 2000000 go info depth 19 seldepth 52 time 41681 nodes 984582 score cp 27 hashfull 274 nps 23621 i...
by Albert Silver
Tue Dec 04, 2018 3:12 am
Forum: Computer Chess Club: General Topics
Topic: 1 TB SSD now $140
Replies: 5
Views: 748

Re: 1 TB SSD now $140

Less. I bought a Samsung Evo 860 1TB for $128 during Black Friday, but there are alternatives under $140 even today at respectable sellers such as NewEgg: https://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100011693%20600414920&IsNodeId=1&Description=1tb%20ssd&bop=And&Order=PRICE&PageSize=36