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fchollet's profile
François Chollet
François Chollet
François Chollet
Verified account
@fchollet

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François CholletVerified account

@fchollet

Deep learning @google. Creator of Keras. Author of 'Deep Learning with Python'. Opinions are my own.

United States
fchollet.com
Joined August 2009

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    1. Ian Osband‏ @IanOsband 31 Jul 2018

      Ian Osband Retweeted François Chollet

      @fchollet doesn't that include DQN/A3C? 😂 ... seems like super-human performance may be a thing of the past.https://twitter.com/fchollet/status/1023722208508530688 …

      Ian Osband added,

      François CholletVerified account @fchollet
      "Human performance" on Atari games isn't how well a human can play with their own 10 fingers. It's how well the abstract mental models of the game inferred by the average human can perform when coded up into a simple program. That means perfect scores for most games.
      Show this thread
      1 reply 0 retweets 2 likes
    2. François Chollet‏Verified account @fchollet 31 Jul 2018
      Replying to @IanOsband

      No, it does not, and I'm sure you can tell from reading the tweets, which are pretty explicit about it. When you look at a game, in your mind, you're coming up with an abstract model of the goals, rules, physics, etc.

      1 reply 0 retweets 0 likes
    3. François Chollet‏Verified account @fchollet 31 Jul 2018
      Replying to @fchollet @IanOsband

      This allows you to come up with your own procedural rules for solving the game. A program. Your mind can serve as a program synthesis engine. Just like, say, a deep RL system, or a genetic algorithm, which in this context also serve as program synthesis engines.

      1 reply 0 retweets 0 likes
    4. François Chollet‏Verified account @fchollet 31 Jul 2018
      Replying to @fchollet @IanOsband

      Since both types of systems are program-synthesis engines, you should compare the performance of the programs themselves, not compare biological execution vs. digital execution.

      1 reply 0 retweets 0 likes
      François Chollet‏Verified account @fchollet 31 Jul 2018
      Replying to @fchollet @IanOsband

      Of course, and that's obvious, the game-solving program generated by any human mind when looking at a game is not the same as A3C/etc (although they are also engineered by humans).

      8:54 AM - 31 Jul 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. François Chollet‏Verified account @fchollet 31 Jul 2018
          Replying to @fchollet @IanOsband

          In one case you have natural program synthesis -- you look at something and immediately, unconsciously come up with an abstract model of it and rules for solving it, and in the other case you have a deliberately engineered program synthesis algorithm.

          1 reply 0 retweets 0 likes
        3. François Chollet‏Verified account @fchollet 31 Jul 2018
          Replying to @fchollet @IanOsband

          This is like comparing biological vision with deep learning. Just because humans have created deep learning systems to recognize objects doesn't mean that these systems are in the same category as the natural object recognition capabilities of humans.

          1 reply 0 retweets 0 likes
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