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dennybritz's profile
Denny Britz
Denny Britz
Denny Britz
@dennybritz

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Denny Britz

@dennybritz

Human. Ex-Google Brain, Stanford, Cal. Tweets about ML, startups. Writing at http://wildml.com  and http://dennybritz.com .

Joined January 2008

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    Denny Britz‏ @dennybritz Jan 27

    “The way how Deepmind beat the human pros was in direct contradiction to what their mission statement was and what they repeatedly claimed to be the “right way” to do it.” 🔥🔥🔥 https://medium.com/@aleksipietikinen/an-analysis-on-how-deepminds-starcraft-2-ai-s-superhuman-speed-could-be-a-band-aid-fix-for-the-1702fb8344d6 … Interesting post on AlphaStar's APM and superhuman actions.pic.twitter.com/KrzSZf73en

    2:34 AM - 27 Jan 2019
    • 206 Retweets
    • 693 Likes
    • Amrit Amar Pedro Varo Herrero Pedro Cardoso Lakamo Gabriel Cueto Aloïs Gruson TWS Oscar Mañas 🎗️ Michal Rolinek
    20 replies 206 retweets 693 likes
      1. New conversation
      2. Denny Britz‏ @dennybritz Jan 27

        It’s also what annoys me the most. AlphaStar is incredibly impressive at many levels, but why make obviously false claims such as “it is restricted to human-like actions” just to get more PR and mislead people not familiar with Starcraft or Machine Learning.

        3 replies 10 retweets 97 likes
        Show this thread
      3. Denny Britz‏ @dennybritz Jan 27

        Sometimes a little bit of honesty and humility along the lines of “this works quite well but we’re not there yet and have a long way to go” instead of “Look we beat the pros!!!11” can go a long way.

        6 replies 9 retweets 131 likes
        Show this thread
      4. End of conversation
      1. New conversation
      2. Delip Rao‏ @deliprao Jan 27
        Replying to @dennybritz

        Do you know what DeepMind’s mission is/was other than PR?

        3 replies 0 retweets 12 likes
      3. Denny Britz‏ @dennybritz Jan 27
        Replying to @deliprao

        I’d like to believe that most researchers at DeepMind want to do honest science and advance the state of AI. But the reporting errors, experimental mistakes, and PR stunts are so obvious that any knowledgeable person notices. It baffles me who makes these decisions.

        1 reply 3 retweets 30 likes
      4. Randall J. Ellis‏ @RandallJEllis Jan 27
        Replying to @dennybritz @deliprao

        They also pull the ubiquitous trick of burying logistic regression results that are about as good as DL results in the supplement. Here are the results in the paper:pic.twitter.com/KxEaCQslVR

        1 reply 1 retweet 10 likes
      5. Randall J. Ellis‏ @RandallJEllis Jan 27
        Replying to @RandallJEllis @dennybritz @deliprao

        Now the supplement:pic.twitter.com/F6R1WYzdQV

        1 reply 0 retweets 6 likes
      6. Randall J. Ellis‏ @RandallJEllis Jan 27
        Replying to @RandallJEllis @dennybritz @deliprao

        Paper is here:https://www.nature.com/articles/s41746-018-0029-1 …

        0 replies 0 retweets 4 likes
      7. End of conversation
      1. New conversation
      2. Anima Anandkumar‏ @AnimaAnandkumar Jan 27
        Replying to @dennybritz

        Publicity stunts are terrible and hurt #AI researchers trying to do honest science. Deepmind also refuses to open source any of their #RL frameworks and there have been severe reproducibility issues

        6 replies 10 retweets 87 likes
      3. Anima Anandkumar‏ @AnimaAnandkumar Jan 27
        Replying to @AnimaAnandkumar @dennybritz

        Human psychology prefers positive jubilant messages over negative reality checks. Hence, posts doing a critical review of Alphastar will never get the same exposure as trumped up articles on superintelligence

        1 reply 2 retweets 30 likes
      4. Aaron Simpson‏ @DevFeznet Jan 27
        Replying to @AnimaAnandkumar @dennybritz

        It's very unfortunate honestly considering the repro. problems science is already having, as well as tackling current limitations of DL/RL and pushing towards actual scientific, model-based approaches. PR stunts are nice, but we have a very long way to go.

        1 reply 0 retweets 3 likes
      5. Miguel Alonso Jr.‏ @miguelalonsojr Jan 27
        Replying to @DevFeznet @AnimaAnandkumar @dennybritz

        Agree on honest reproducible science. Disagree that PR stunts are nice. @DeepMindAI will not convince me that this is robust science in #AI until they release their source, open themselves up to scrutiny and make strong efforts curb the #AIhype.

        1 reply 0 retweets 3 likes
      6. Aaron Simpson‏ @DevFeznet Jan 27
        Replying to @miguelalonsojr @AnimaAnandkumar and

        I can agree on all those points definitely. It's just that nobody, especially a company like DeepMind, wants to do that because it means severe curbing of public enthusiasm. Not saying that to excuse it in any way, just a sad reality.

        0 replies 0 retweets 0 likes
      7. End of conversation
      1. New conversation
      2. Dan Jarratt‏ @danjarratt Jan 27
        Replying to @dennybritz

        Heretofore we've trained AIs to play games designed for humans by humans. I expect people will design games (by hand or AI) for AIs to play and humans to watch, bypassing the "too many clicks" broken mechanisms. Games *only* winnable by computers but fun for us to spectate.

        1 reply 0 retweets 6 likes
      3. Fabien Benetou  ✈️ 🇫🇷‏ @utopiah Jan 27
        Replying to @danjarratt @dennybritz

        Sounds a lot like General Game Playing cf http://ggp.stanford.edu/notes/overview.html … no?

        0 replies 0 retweets 3 likes
      4. End of conversation
      1. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 30
        Replying to @dennybritz

        First off, @AleksiPietikin1, love your post — but also makes me think of this so much. 😅pic.twitter.com/j6mbVV8MXR

        0 replies 1 retweet 2 likes
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      1. New conversation
      2. Nicolas Chauvin‏ @NicoChauvin74 Jan 27
        Replying to @dennybritz

        Anyhow, Alphastar peak APM is in the same order of magnitude of human capability while mean is lower. Technically it could be way higher. For self-driving cars, Nvidia is demonstrating 2000 processed image/sec with lower than 5ms latency. Potentially 120'000 APM.

        1 reply 0 retweets 1 like
      3. be:L‏ @SpaceCyborgBoy Jan 27
        Replying to @NicoChauvin74 @dennybritz

        The peak APM of 1500 is not human. Remember that is mostly EAPM. Humans can't get past 400 EAPM. TLO is wheel spamming in that pic.

        1 reply 0 retweets 4 likes
      4. Felis Grognardicus‏ @FelisArtificus Jan 27
        Replying to @SpaceCyborgBoy @NicoChauvin74 @dennybritz

        Are you actually sure that all of AlphaStar’s actions are effective? It’s not remotely beyond the realm of possibility that it learned to triple-click for some reason. Was there actually a penalty applied to the reward signal for number of actions?

        2 replies 0 retweets 1 like
      5. Felis Grognardicus‏ @FelisArtificus Jan 27
        Replying to @FelisArtificus @SpaceCyborgBoy and

        This is double-plus’s true if they used human input as a teacher signal at any point.

        1 reply 0 retweets 0 likes
      6. be:L‏ @SpaceCyborgBoy Jan 28
        Replying to @FelisArtificus @NicoChauvin74 @dennybritz

        Look at this clip Still spam clicking but the micro is clearly superiorhttps://www.youtube.com/watch?v=H3MCb4W7-kM&t=39m30s …

        0 replies 0 retweets 0 likes
      7. End of conversation

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