Re: [Computer-go] CGOS source on github

2021-01-23 Thread Darren Cook
> ladders, not just liberties. In that case, yes! If you outright tell the > neural net as an input whether each ladder works or not (doing a short > tactical search to determine this), or something equivalent to it, then the > net will definitely make use of that information, ... Each convolution

Re: [Computer-go] Accelerating Self-Play Learning in Go

2019-03-08 Thread Darren Cook
> Blog post: > https://blog.janestreet.com/accelerating-self-play-learning-in-go/ > Paper: https://arxiv.org/abs/1902.10565 I read the paper, and really enjoyed it: lots of different ideas being tried. I was especially satisfied to see figure 12 and the big difference giving some go features made

Re: [Computer-go] Paper “Complexity of Go” by Robson

2018-06-22 Thread Darren Cook
> I also think that what makes real go that hard is ko, but you've shown that > it's > equivalent to ladder, which frankly baffles me. I'd love to understand that. Just different definitions of "hard"? Ko is still way harder (more confusing, harder to discover a winning move when one exists) tha

Re: [Computer-go] On proper naming

2018-03-08 Thread Darren Cook
> but then it does not make sense to call that algorithm "rollout". > > In general: when introducing a new name, care should > be taken that the name describes properly what is going on. Speaking of which, why did people start calling them rollouts instead of playouts? Darren P.S. And don't get

Re: [Computer-go] Crazy Stone is back

2018-02-28 Thread Darren Cook
> Weights_31_3200 is 20 layers of 192, 3200 board evaluations per move > (no random playout). But it still has difficulties with very long > strings. My next network will be 40 layers of 256, like Master. "long strings" here means solidly connected stones? The 192 vs. 256 is the number of 3x3 co

Re: [Computer-go] Mastering Chess and Shogi by Self-Play with a General Reinforcement Learning Algorithm

2017-12-06 Thread Darren Cook
>> One of the changes they made (bottom of p.3) was to continuously >> update the neural net, rather than require a new network to beat >> it 55% of the time to be used. (That struck me as strange at the >> time, when reading the AlphaGoZero paper - why not just >50%?) Gian wrote: > I read that a

Re: [Computer-go] Mastering Chess and Shogi by Self-Play with a General Reinforcement Learning Algorithm

2017-12-06 Thread Darren Cook
> Mastering Chess and Shogi by Self-Play with a General Reinforcement > Learning Algorithm > https://arxiv.org/pdf/1712.01815.pdf One of the changes they made (bottom of p.3) was to continuously update the neural net, rather than require a new network to beat it 55% of the time to be used. (That s

Re: [Computer-go] Learning related stuff

2017-11-29 Thread Darren Cook
high-end PC 20 years apart. https://en.wikipedia.org/wiki/History_of_supercomputing#Historical_TOP500_table -- Darren Cook, Software Researcher/Developer My New Book: Practical Machine Learning with H2O: http://shop.oreilly.com/product/0636920053170.do _

Re: [Computer-go] Learning related stuff

2017-11-21 Thread Darren Cook
> Would it typically help or disrupt to start > instead with values that are non-random? > What I have in mind concretely: Can I correctly rephrase your question as: if you take a well-trained komi 7.5 network, then give it komi 5.5 training data, will it adapt quickly, or would it be faster/bette

Re: [Computer-go] what is reachable with normal HW

2017-11-15 Thread Darren Cook
> Zero was reportedly very strong with 4 TPU. If we say 1 TPU = 1 GTX 1080 > Ti... 4 TPU is 180 TFLOPS, or 45 TFLOPS each [1] GTX 1080Ti is 11.3 TFLOPs [2], or 9 TFLOPS for the normal 1080. So 4 TPUs are more like 15-20 times faster than a high-end gaming notebook. (I'm being pedantic; I expect

Re: [Computer-go] Nochi: Slightly successful AlphaGo Zero replication

2017-11-10 Thread Darren Cook
> You make me really curious, what is a Keras model ? When I was a lad, you had to bike 3 miles (uphill in both directions) to the library to satisfy curiosity. Nowadays you just type "keras" into Google ;-) https://keras.io/ Darren ___ Computer-go mai

Re: [Computer-go] November KGS bot tournament

2017-10-27 Thread Darren Cook
> Since AlphaGo, almost all academic organizations have > stopped development but, ... In Japan, or globally? Either way, what domain(s)/problem(s) have they switched into studying? Darren ___ Computer-go mailing list Computer-go@computer-go.org http:/

Re: [Computer-go] AlphaGo Zero SGF - Free Use or Copyright?

2017-10-25 Thread Darren Cook
> What do you want evaluate the software for ? corner cases which never > have happen in a real game ? If the purpose of this mailing list is a community to work out how to make a 19x19 go program that can beat any human, then AlphaGo has finished the job, and we can shut it down. But this list h

Re: [Computer-go] AlphaGo Zero SGF - Free Use or Copyright?

2017-10-24 Thread Darren Cook
Could we PLEASE take this off-list? If you don't like someone, or what they post, filter them. If you think someone should be banned, present your case to the list owner(s). Darren ___ Computer-go mailing list Computer-go@computer-go.org http://computer

Re: [Computer-go] Reducing network size? (Was: AlphaGo Zero)

2017-10-23 Thread Darren Cook
> The source of AlphaGo Zero is really of zero interest (pun intended). The source code is the first-hand account of how it works, whereas an academic paper is a second-hand account. So, definitely not zero use. > So yes, the database of 29M self-play games would be immensely more > valuable. (Pr

Re: [Computer-go] Deep Blue the end, AlphaGo the beginning?

2017-08-19 Thread Darren Cook
how badly Deep Blue had played until he analyzed the games with modern chess computers. That is an amazing thing to hear from the mouth of Kasparov! The book he is plugging is here - I just skimmed the reviews, and it actually sounds rather good: https://www.amazon.co.uk/Deep-Thinking-Machine-In

[Computer-go] Deep Blue the end, AlphaGo the beginning?

2017-08-17 Thread Darren Cook
sing... but the real science was known by the 1997 rematch... but AlphaGo is an entirely different thing. Deep Blue's chess algorithms were good for playing chess very well. The machine-learning methods AlphaGo uses are applicable to practically anything." Agree or disagree? Darren

Re: [Computer-go] Alphago and solving Go

2017-08-07 Thread Darren Cook
> https://en.wikipedia.org/wiki/Brute-force_search explains it as > "systematically enumerating all possible candidates for the > solution". > > There is nothing systematic about the pseudo random variation > selection in MCTS; More semantics, but as it is pseudo-random, isn't that systematic?

Re: [Computer-go] Mailing list working?

2017-06-08 Thread Darren Cook
Stone.) Darren -- Darren Cook, Software Researcher/Developer My New Book: Practical Machine Learning with H2O: http://shop.oreilly.com/product/0636920053170.do ___ Computer-go mailing list Computer-go@computer-go.org http://computer-go.org/m

Re: [Computer-go] Zen lost to Mi Yu Ting

2017-03-22 Thread Darren Cook
not just to make a strong Chinese-rules go program, why not embrace the messiness! (Japanese rules are not *that* hard. IIRC, Many Faces, and all other programs, including my own, scored in them, before MCTS took hold and being able to shave milliseconds off scoring became the main decider

Re: [Computer-go] Zen lost to Mi Yu Ting

2017-03-22 Thread Darren Cook
, bikes and wild animals). Or how about this angle: humans are still better than the programs at Japanese rules. Therefore this is an interesting area of study. Darren -- Darren Cook, Software Researcher/Developer My New Book: Practical Machine Learning with H2O: http://shop.oreilly.com/product/

Re: [Computer-go] UEC cup 1st day result

2017-03-18 Thread Darren Cook
> Can you say something more on "Fine Art"? > From which country is it? Who is Tencent? Tencent is a very big Chinese Internet company; it is described here as the largest gaming company in the world: https://en.wikipedia.org/wiki/Tencent Darren ___

Re: [Computer-go] Question: Time Table World Championships

2017-03-09 Thread Darren Cook
> English official page has the info. > http://www.worldgochampionship.net/english/ Thanks. Is it three hours, with sudden death? It says there is byo-yomi from 5 minutes left, but didn't mention seconds per move, so it is just a 300, 299, 288, 287, ... kind of countdown? Darren

Re: [Computer-go] dealing with multiple local optima

2017-02-27 Thread Darren Cook
have a ko, play a ko threat. If you see have two 1-eye groups near each other, join them together. :-) Okay, those could be considered higher-level concepts, but I still thought it was impressive to learn to play arcade games with no hints at all. Darren > > On Sat, Feb 25, 2017 at

Re: [Computer-go] dealing with multiple local optima

2017-02-24 Thread Darren Cook
, or was done in parallel with it): https://deepmind.com/research/dqn/ It just learns from trial and error, no expert game records: http://www.theverge.com/2016/6/9/11893002/google-ai-deepmind-atari-montezumas-revenge Darren -- Darren Cook, Software Researcher/Developer My New Book: Practical

Re: [Computer-go] it's alphago

2017-01-11 Thread Darren Cook
ex whole board ko fights, obscure under-the-stones tesuji, etc. I wondered if anyone here had studied those 50 games and found anything interesting or impressive, along those lines? I.e. if I was going to look at just one game, which one should it be? Thanks, Darren -- Darren Cook, Software Re

Re: [Computer-go] Go Tournament with hinteresting rules

2016-12-15 Thread Darren Cook
problem of how to pass a probability distribution up the tree, and then what to do with it at the top. (The presence of the life/death battles means the distribution tends to have multiple peaks, not be nice and gaussian.) Darren -- Darren Cook, Software Researcher/Developer My New Book: Practic

Re: [Computer-go] AlphaGo selfplay 3 games

2016-09-15 Thread Darren Cook
> DeepMind published AlphaGo's selfplay 3 games with comment. I've just been playing through the AlphaGo-Lee first game. When it shows a variation, is this what AlphaGo was expecting, i.e. its prime variation? Or is the follow-up "just" the opinion of the pro commentators? (E.g. game 1, move 13,

Re: [Computer-go] Video of Aja Huang's presentation

2016-07-06 Thread Darren Cook
> Any chance someone has put this on Youtube for those of us who primarily > consume > videos on phones or tablets (where a 2.0GB is very large to store locally)? > And > if so, replying with a link here would be deeply appreciated. +1. It is actually 3GB, for a 40 minute video! I had to start

Re: [Computer-go] DarkForest is open-source now.

2016-06-10 Thread Darren Cook
>> At 5d KGS, is this the world's strongest MIT/BSD licensed program? ... >> actually, is there any other MIT/BSD go program out there? (I thought >> Pachi was, but it is GPLv2) > > Huh, that's interesting, because Darkforest seems to have copy-pasted > the pachi playout policy: > > https://githu

Re: [Computer-go] DarkForest is open-source now.

2016-06-10 Thread Darren Cook
> DarkForest Go engine is now public on the Github (pre-trained CNN models are > also public). Hopefully it will help the community. > > https://github.com/facebookresearch/darkforestGo Ooh, BSD license (i.e. very liberal, no GPL virus). Well done! :-) At 5d KGS, is this the world's strongest M

Re: [Computer-go] Google used TPUs for AlphaGo

2016-05-21 Thread Darren Cook
> http://itpro.nikkeibp.co.jp/atcl/column/15/061500148/051900060/ > (in Japanese). The performance/watt is about 13 times better, > a photo in the article shows. Has anyone found out exactly what the "Other" in the photo is? The Google blog was also rather vague on this. (If you didn't click t

Re: [Computer-go] Google used TPUs for AlphaGo

2016-05-19 Thread Darren Cook
> It's be interesting to know what the speedup factor against, say, > Tesla K40 is. Or against the P100 chip [1], which claims the same "order of magnitude" speed-up on neural nets by doing the same thing (half-precision floating point). Darren [1]: http://nvidianews.nvidia.com/news/nvidia-deliv

Re: [Computer-go] scoring

2016-03-26 Thread Darren Cook
> I've implemented the Tromp Taylor algorithm. As a comparison I use > gnugo. > Now something odd is happening. If I setup a board of size 11 > (boardsize 11), then put a stone (play b a1) and then ask it to run the > scoring (final_score), then it takes minutes before it finishes. That > alone is

Re: [Computer-go] UEC cup 2nd day

2016-03-24 Thread Darren Cook
Thanks for the very interesting replies, David, and Remi. No-one is using TensorFlow, then? Any reason not to? (I'm just curious because there looks to be a good Udacity DNN course (https://www.udacity.com/course/deep-learning--ud730), which I was considering, but it is using TensorFlow.) Remi w

Re: [Computer-go] UEC cup 2nd day

2016-03-23 Thread Darren Cook
David Fotland wrote: > There are 12 programs here that have deep neural nets. 2 were not > qualified for the second day, and six of them made the final 8. Many > Faces has very basic DNN support, but it’s turned off because it > isn’t making the program stronger yet. Only Dolburam and Many Faces

Re: [Computer-go] Congratulations to AlphaGo (Statistical significance of results)

2016-03-22 Thread Darren Cook
> ... > Pro players who are not familiar with MCTS bot behavior will not see this. I stand by this: >> If you want to argue that "their opinion" was wrong because they don't >> understand the game at the level AlphaGo was playing at, then you can't >> use their opinion in a positive way either.

Re: [Computer-go] Congratulations to AlphaGo (Statistical significance of results)

2016-03-22 Thread Darren Cook
> ... we witnessed hundreds of moves vetted by 9dan players, especially > Michael Redmond's, where each move was vetted. This is a promising approach. But, there were also numerous moves where the 9-dan pros said, that in *their* opinion, the moves were weak/wrong. E.g. wasting ko threats for no

Re: [Computer-go] Go Bot for the Browser?

2016-03-19 Thread Darren Cook
> If I remember correctly, it is not browser implementation, but rather a > frontend. The actual computation runs on server, browser only communicates > the > moves and shows the results. No, a quick test shows once it loads it has not made any server calls. It has a 14MB file which looks like

Re: [Computer-go] Go Bot for the Browser?

2016-03-19 Thread Darren Cook
uot;sx": 1, "sy": 1, "w": [0.519023, -1.379795, -0.495255, -0.051380, > -0.466160, -1.380873, -0.630742 > , -0.174662, -0.743714, -1.288785, -0.607110, -0.536119, -0.819585, > -0.248130, -0.629681, -0.004683, > -0.408890, -1.701742, -0.011255, -0.833270, -0.665327

Re: [Computer-go] AlphaGo & DCNN: Handling long-range dependency

2016-03-14 Thread Darren Cook
> You can also look at the score differentials. If the game is perfect, > then the game ends up on 7 points every time. If players made one > small error (2 points), then the distribution would be much narrower > than it is. I was with you up to this point, but players (computer and strong humans)

Re: [Computer-go] Game 4: a rare insight

2016-03-13 Thread Darren Cook
> You are right, but from fig 2 of the paper can see, that mc and value > network should give similar results: > > 70% value network should be comparable to 60-65% MC winrate from this > paper, usually expected around move 140 in a "human expert game" (what > ever this means in this figure :) Tha

[Computer-go] Game 4: a rare insight

2016-03-13 Thread Darren Cook
From Demis Hassabis: When I say 'thought' and 'realisation' I just mean the output of #AlphaGo value net. It was around 70% at move 79 and then dived on move 87 https://twitter.com/demishassabis/status/708934687926804482 Assuming that is an MCTS estimate of winning probability, that 70% s

Re: [Computer-go] Congratulations to AlphaGo

2016-03-12 Thread Darren Cook
Well done, Aja and all the DeepMind team (including all the "backroom boys" who've given the reliability on the hardware side). BTW, I've gained great pleasure seeing you sitting there with the union jack, representing queen and country; you'll probably receive a knighthood. :-) > Thanks all. Alp

Re: [Computer-go] AlphaGo & DCNN: Handling long-range dependency

2016-03-11 Thread Darren Cook
>> global, more long-term planning. A rumour so far suggests to have used the >> time for more learning, but I'd be surprised if this should have sufficed. > > My personal hypothesis so far is that it might - the REINFORCE might > scale amazingly well and just continuous application of it... Agre

Re: [Computer-go] Finding Alphago's Weaknesses

2016-03-10 Thread Darren Cook
> In fact in game 2, white 172 was described [1] as the losing move, > because it would have started a ko. ... "would have started a ko" --> "should have instead started a ko" ___ Computer-go mailing list Computer-go@computer-go.org http://computer-go.o

Re: [Computer-go] Finding Alphago's Weaknesses

2016-03-10 Thread Darren Cook
> I was surprised the Lee Sedol didn't take the game a bit further to probe > AlphaGo and see how it responded to [...complex kos, complex ko fights, > complex sekis, complex semeais, ..., multiple connection problems, complex > life and death problems] as ammunition for his next game. In fact in

Re: [Computer-go] AlphaGo won first game!

2016-03-09 Thread Darren Cook
Wow - didn't expect that. Congratulations to the AlphaGo team! Ingo wrote: > Similar with CrazyStone. After move 26 CS gave 56 % for AlphaGo > and never went below this value. Soon later it were 60+ %, and > never went lower, too. Did it show jumps at some of the key moves the human experts thoug

[Computer-go] Kasparov on AlphaGo

2016-03-07 Thread Darren Cook
Current edition of New Scientist has an article (p.26) by Gary Kasparov on the AlphaGo vs. Lee Sedol match. (Just a page, no deep analysis; though the facing page is also interesting: about Facebook applying AI to map-making.) Darren P.S. I think you can view online with a free subscription: htt

[Computer-go] Deep Learning learning resources?

2016-03-02 Thread Darren Cook
I'm sure quite a few people here have suddenly taken a look at neural nets the past few months. With hindsight where have you learnt most? Which is the most useful book you've read? Is there a Udacity (or similar) course that you recommend? Or perhaps a blog or youtube series that was so good you w

Re: [Computer-go] longest 3x3 game

2016-02-20 Thread Darren Cook
>> The longest I've been able to find, by more or less random sampling, >> is only 521 moves, > > Found a 582 move 3x3 game... Again by random sampling? Are there certain moves(*) that bring games to an end earlier, or certain moves(*) that make games go on longer? Would weighting them appropria

Re: [Computer-go] Mastering the Game of Go with Deep Neural Networks and Tree Search

2016-02-01 Thread Darren Cook
> someone cracked Go right before that started. Then I'd have plenty of > time to pick a new research topic." It looks like AlphaGo has > provided. It seems [1] the smart money might be on Lee Sedol: 1. Ke Jie (world champ) – limited strength…but still amazing… Less than 5% chance against Lee Se

Re: [Computer-go] Replicating AlphaGo results

2016-01-28 Thread Darren Cook
> I'd propose these as the major technical points to consider when > bringing a Go program (or a new one) to an Alpha-Go analog: > ... > * Are RL Policy Networks essential? ... Figure 4b was really interesting (see also Extended Tables 7 and 9): any 2 of their 3 components, on a single machin

Re: [Computer-go] Game Over

2016-01-28 Thread Darren Cook
white moves as particularly good, e.g. 108, which is also an empty triangle: obviously AlphaGo isn't being held back by any "good shape" heuristics ;-) I hope he comments the other four games! Darren -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps w

Re: [Computer-go] Game Over

2016-01-28 Thread Darren Cook
> If you want to view them in the browser, I've also put them on my blog: > http://www.furidamu.org/blog/2016/01/26/mastering-the-game-of-go-with-deep-neural-networks-and-tree-search/ > (scroll down) Thanks. Has anyone (strong) made commented versions yet? I played through the first game, but it j

Re: [Computer-go] Game Over

2016-01-27 Thread Darren Cook
> Google beats Fan Hui, 2 dan pro, 5-0 (19x19, no handicap)! > ... > I read the paper... Is it available online anywhere, or only in Nature? I just watched the video, which was very professionally done, but didn't come with the SGFs, information on time limits, number of CPUs, etc. Aja, David - s

Re: [Computer-go] Strong engine that maximizes score

2015-11-17 Thread Darren Cook
> Attempting to maximize the score is not compatible with being a > strong engine. If you want a dan level engine it is maximizing > win-probability. If you narrow it down such that komi 25.5, 27.5, and 29.5 give a black win with 63% to 67% probability, but komi 31.5 jumps to black only winning 4

Re: [Computer-go] Strong engine that maximizes score

2015-11-17 Thread Darren Cook
> I am trying to create a database of games to do some machine-learning > experiments. My requirements are: > * that all games be played by the same strong engine on both sides, > * that all games be played to the bitter end (so everything on the board > is alive at the end), and > * that both s

Re: [Computer-go] Standard Computer Go Datasets - Proposal

2015-11-13 Thread Darren Cook
> standard public fixed dataset of Go games, mainly to ease comparison of > different methods, to make results more reproducible and maybe free the > authors of the burden of composing a dataset. Maybe the first question should be is if people want a database of *positions* or *games*. I imagine

Re: [Computer-go] Frisbee Go Simulation

2015-11-12 Thread Darren Cook
> If one or two of these cells are outside the board the > move will count as a pass. If the landing cell is occupied by another > stone the move is also counted as a pass. Illegal moves are also counted > as pass moves. Alternatively, the probability could be adjusted for the number of legal mov

Re: [Computer-go] Komi 6.5/7.5

2015-11-05 Thread Darren Cook
> Of course, that's anecdata...anyone is welcome to prove or disprove this > old claim by analyzing the stats on KGS, or Tygem or wherever else. Don't forget the distortion due to people knowing the komi, and playing to win, rather than playing to maximize their score. Darren

Re: [Computer-go] Fast pick from a probability list

2015-10-07 Thread Darren Cook
> I have a probability table of all possible moves. What is the > fastest way to pick with probability, possibly with reducing the > quality of probability?! > > I could not find any discussion on this on computer-go, but probably > I missed it :( I may have misunderstood the question, but there

Re: [Computer-go] KGS access problem

2015-09-10 Thread Darren Cook
> I have problems to access the KGS server. My Firefox 40.0.3 > (under Windows 8.1) is even not allowing me to visit the website > www.gokgs.com. > Argument: "Diffie-Hellman key is too weak" Here is how to have Firefox not be so fussy: http://letusexplain.blogspot.co.uk/2015/08/solved-server-has

Re: [Computer-go] re comments on Life and Death

2015-09-04 Thread Darren Cook
> Robert, David Fotland has... > I find your critique a little painful. I don't think Robert was critiquing - he was asking for David's definition of group strength and connection strength. > the "stupid" monte carlo works so much better. Does it? I thought "stupid" monte carlo (i.e. light play

Re: [Computer-go] Mental Imagery in Go - playlist

2015-08-05 Thread Darren Cook
> I think you are right, though. In my opinion, calling MCTS "brute > force" isn't really fair, the brute force portion really doesn't > work and you need to add a lot of smarts both to the simulations and > to the way you pick situations to simulate to make things work. In chess, basic min-max,

Re: [Computer-go] Mental Imagery in Go - playlist

2015-08-05 Thread Darren Cook
> However, i have to admit that in 1979 i was a false prophet when i claimed > "the brute-force approach is a no-hoper for Go, even if computers become a > hundred times more powerful than they are now" ... I think you are okay: at the point where computers were 100 times quicker than in 1979, mon

Re: [Computer-go] CGT endgame solver

2015-07-13 Thread Darren Cook
> performance at endgames is worse than middle, because IMHO MC > simulations don't evaluate the values (due to execution speed) of > yose-moves and play such moves in random orders. Assuming there are 7, > 3, 1 pts moves left at a end position, for example. (Sorry for two messages). I just th

Re: [Computer-go] CGT endgame solver

2015-07-13 Thread Darren Cook
> yose-moves and play such moves in random orders. Assuming there are 7, > 3, 1 pts moves left at a end position, for example. Correct order is > obviously 7, 3 and 1 (sente gets +5 pts) but all combinations are played > at the same probability in MC simulations now. The average of the > sco

Re: [Computer-go] CGT endgame solver

2015-07-13 Thread Darren Cook
> I imagine it would be fairly easy to swap from MCTS to a CGT solver once it > could be applied.. Or is this not interesting for some reason? It only becomes usable once the game is fairly much decided. (Though, you can construct artificial positions where it gives you a correct move is non-obvio

Re: [Computer-go] Using GPUs?

2015-06-26 Thread Darren Cook
> It is not exactly Go, but i have a monte-carlo tree searcher on the GPU for > the game of Hex 8x8 > Here is a github link https://github.com/dshawul/GpuHex The engine looks to be just the middle 450 lines of code; quite compact! So running playouts on a GPU worked out well? Would doing the

Re: [Computer-go] Using GPUs?

2015-06-26 Thread Darren Cook
Steven wrote: > http://arxiv.org/abs/1412.6564 (nvidia gtx titan black) > http://arxiv.org/abs/1412.3409 (nvidia gtx 780) Thanks - I had read those papers but hadn't realized the neural nets were run on GPUs. Nikos wrote: >> https://timdettmers.wordpress.com/2015/03/09/deep-learning-hardware-guid

[Computer-go] Using GPUs?

2015-06-25 Thread Darren Cook
I wondered if any of the current go programs are using GPUs. If yes, what is good to look for in a GPU? Links to essential reading on this topic would be welcome. (*) If not, is there some hardware breakthrough being waited for, or some algorithmic one? Darren *: After many years of being happy

[Computer-go] OT (maybe): Arimaa bot notably stronger

2015-04-22 Thread Darren Cook
;action=display;num=1429402345;start=1#1 To my untrained eye it looks like they are all game-specific, rather than something we could steal from to use in other games and other domains :-) Darren -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by

Re: [Computer-go] CGOS future

2015-04-03 Thread Darren Cook
> I disagree with that. Why does it suck? (Getting a bit OT for computer-go, so I replied off-list; if anyone was following the conversation, and wants to be CC-ed let me know.) Darren ___ Computer-go mailing list Computer-go@computer-go.org http://com

Re: [Computer-go] CGOS future

2015-04-03 Thread Darren Cook
> BTW I am a Linux guy true and true since 1994. But I am DAMN tempted > to write it in C#. I use mono on linux [1], and c# is an OK language for this kind of thing. RestSharp is an interesting library for web service *clients*, but of course you are writing a server. Lots of C++ programmers on

Re: [Computer-go] April KGS bot tournament, 13x13

2015-04-01 Thread Darren Cook
> I will be willing to welcome players of all strengths, if that is what the > strong players want... Winning against a much weak player does not prove anything, nor teach you much. (In contrast to losing against a stronger player.) I wonder if handicaps could be used? E.g. the elite players coul

Re: [Computer-go] fast + good RNG

2015-03-29 Thread Darren Cook
g the generator each time you need a new random number? Darren -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by O'Reilly: (ask me for a discount code!) http://shop.oreilly.com/product/0636920030928.do Also on Amazon an

Re: [Computer-go] Fwd: Teaching Deep Convolutional Neural Networks to Play Go

2015-03-16 Thread Darren Cook
> To be honest, what I really want is for it to self-learn,... I wonder if even the world's most powerful AI (i.e. the human brain) could self-learn go to, say, strong dan level? I.e. Give a boy genius a go board, the rules, and two years, but don't give him any books, hints, or the chance to play

[Computer-go] Fwd: Announcement Call for Papers ACG 2015 -- deadline 1 March 2015

2015-01-27 Thread Darren Cook
(I didn't see it, but my apologies if someone already posted this.) Forwarded Message Subject: Announcement Call for Papers ACG 2015 -- deadline 1 March 2015 Date: Tue, 23 Dec 2014 16:40:17 +0100 Dear all, With great pleasure we announce the 14th International Conference Advan

Re: [Computer-go] Move Evaluation in Go Using Deep Convolutional NeuralNetworks

2015-01-11 Thread Darren Cook
> Is "KGS rank" set 9 dan when it plays against Fuego? Aja replied: > Yes. I'm wondering if I've misunderstood, but does this mean it is the same as just training your CNN on the 9-dan games, and ignoring all the 8-dan and weaker games? (Surely the benefit of seeing more positions outweighs the r

Re: [Computer-go] Teaching Deep Convolutional Neural Networks to Play Go

2015-01-09 Thread Darren Cook
On 2014-12-19 15:25, Hiroshi Yamashita wrote: > Ko fight is weak. Ko threat is simpley good pattern move. I suppose you could train on a subset of data: only positions where there was a ko-illegal move on the board. Then you could learn ko threats. And then use this alternative NN when meeting a k

Re: [Computer-go] Move Evaluation in Go Using Deep Convolutional NeuralNetworks

2015-01-09 Thread Darren Cook
ement from just using a subset of the training data was one of the most surprising results. Darren -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by O'Reilly: (ask me for a discount code!) http://shop.ore

Re: [Computer-go] Evaluation function through Deep Convolutional Neural Networks

2015-01-09 Thread Darren Cook
So NNs good for move candidate generation, MCTS good for scoring? Darren -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by O'Reilly: (ask me for a discount code!) http://shop.oreilly.com/product/0636920030928.do Also on Amazon and

Re: [Computer-go] Teaching Deep Convolutional Neural Networks to Play Go

2014-12-15 Thread Darren Cook
http://arxiv.org/pdf/1412.3409v1.pdf >> >> Thier move prediction got 91% winrate against GNU Go and 14% >> against Fuego in 19x19. -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by O'Reilly: (ask me for a discount code!)

Re: [computer-go] Rank on servers at 9x9

2010-02-13 Thread Darren Cook
(4.6k) 5000 playouts 10minutes + 30sec byoyomi (x5) > > These are last year's data, > > AyaMC4 2k (1.4k) 10sec/mov (8cores) 1minute + 15sec byoyomi (x10) > AyaMC 3k (2.6k) 10sec/mov (8cores) 10minutes + 30sec byoyomi (x5) > (about 16 playouts/mov) -- Darren Cook,

Re: [computer-go] Rank on servers at 9x9

2010-02-12 Thread Darren Cook
foolishly managing their blitz time foolishly does distort things a bit. Darren -- Darren Cook, Software Researcher/Developer Specializing in intelligent search (in multiple languages), discovery of context, aiding communication, and basically helping people find and make good use of their

Re: [computer-go] Rank on servers at 9x9

2010-02-12 Thread Darren Cook
gt; 2400 1d mfgo12-610-2c 1d ManyFaces1 (10sec blitz) > 2500 2d Aya693_1c Zen-4.9-1c 2d Zen19 Zen (15sec/move) > 2600 3d Fuego-1095-1c > 2700 4d Zen-4.9-1c > 2800 5d Zengg9-4x4c > 2900 6d > > Hiroshi Yamashita [1]: http://www.gokgs.com/

[computer-go] Rank on servers at 9x9

2010-02-11 Thread Darren Cook
Do any of the strongest MCTS programs have a rank at 9x9 on any major server? I found the "fuego9" account on KGS but it appears to be unranked and only playing free games (*). The "ManyFaces" account appears to play only 19x19. I know the programs are stronger at 9x9 than 19x19, but I'm trying to

Re: [computer-go] Dynamic Komi's basics

2010-02-11 Thread Darren Cook
hough increasing the 60% threshold as the game progresses may make sense). I'm surprised people are using a simple linear decreasing rule, but very interested to hear there is a tangible improvement. Perhaps being adaptive isn't needed? Darren -- Darren Cook, Software Researcher/Devel

Re: [computer-go] scalability analysis with pachi

2010-01-17 Thread Darren Cook
> Yes. And while worrying about what happens after a win rate of 97% > sounds like splitting hairs, I think we're talking about an awkward > way of measuring something that's of practical interest. Yes. How can a program be strong enough to win 97% and not win 100%. Over on the fuego list Martin M

Re: [computer-go] GoChild Web2.0 is live on Google AppEngine

2009-12-29 Thread Darren Cook
ite - http://www.gochildgame.com > > Regards, > gosharplite > > > > > > ___ > computer-go mailing list > computer-go@computer-go.org > http://www.computer-go.org/mailman/listinfo/computer-go/ -- Darren Cook, Software Resear

Re: [computer-go] Gongo: Go in Go

2009-12-13 Thread Darren Cook
000 random playouts/second on 9x9 using a single >>>>> thread on a 32-bit iMac, using the gc compiler, which doesn't do any >>>>> optimization. I suspect that a board structure that tracked >>>>> pseudo-liberties could do better. >>>>>

Re: [computer-go] Fuego parameter question

2009-12-06 Thread Darren Cook
g from gogui, I tried each of go_rules japanese chinese and kgs and gogui reports all the go_param_rules have changed (including super ko rule). (Also I think someone reported on the fuego list that "uct_param_search number_playouts 2" stopped giving any advantage after some bug fixes?

Re: [computer-go] KCC won the 3rd UEC Cup

2009-12-05 Thread Darren Cook
mbling over the seeding at the UEC Cup but that is still quite a difference. Did it have technical problems at Hakone? Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/mlsn/ (Multilingual open source semantic network) http:/

Re: [computer-go] Fuego parameter question

2009-12-05 Thread Darren Cook
t stronger when using multiple threads. I'm not sure what the second is doing... Darren [1]:http://www.cs.ualberta.ca/TechReports/2009/TR09-09/TR09-09.pdf -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/mlsn/ (Multili

Re: [computer-go] Re: Hahn system tournament and MC bots

2009-11-25 Thread Darren Cook
less influence). I remember having a really good reason to want to delay reducing multiple features to a single number , but it is all a bit fuzzy now. Does this type of search have a name, and any associated research? Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shod

[computer-go] OT: gambling (was: Hahn system...)

2009-11-24 Thread Darren Cook
, is a fine read (a professional writer took a year off to become a poker pro), and nicely shows the balance between maths, bluffing and hustling by *professional* gamblers. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dc

Re: [computer-go] Re: A cluster version of Zen is running on cgos 19x19

2009-11-24 Thread Darren Cook
Zen, or are you trying to run other programs on a cluster too?) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/mlsn/ (Multilingual open source semantic network) http://dcook.org/work/ (About me and my work) http

[computer-go] Shodan Go Bet: Japanese and other languages

2009-11-22 Thread Darren Cook
and Korean translations because there is so much interest in go in those countries, but I'd appreciate volunteers for translations to any language. I don't really have budget, but can offer publicity (e.g. in the Japanese page I have links to Yasuhiro's company website and his algorithm books).

[computer-go] Shodan Go Bet: Nov '09 Update

2009-11-22 Thread Darren Cook
s not allowed here. -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/mlsn/ (Multilingual open source semantic network) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and art

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