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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. François Chollet‏Verified account @fchollet 1 Oct 2018

      One of the most amazing things about the brain is how incredibly slow it is. Nerve impulses travel extremely slowly compared to the speed of electricity, and our fastest neurons can fire *a few* times per second . Compare that to the clock speed of a modern CPU, ~10M times faster

      10 replies 185 retweets 576 likes
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    2. François Chollet‏Verified account @fchollet 1 Oct 2018

      Yet we can produce complex behaviors in response to unexpected events in about 400-500ms (like catching an incoming object). Including muscle-brain roundtrip. This implies that each neuron involved in the computation fires at most a couple of times.

      5 replies 18 retweets 127 likes
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    3. François Chollet‏Verified account @fchollet 1 Oct 2018

      This inherent slowness, coupled with the constraint of real-time responses, must have shaped the algorithms developed by the brain in profound ways (in particular, this is likely why we need *so many* neurons). Intelligence developed on a computer might look very different.

      9 replies 35 retweets 266 likes
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    4. François Chollet‏Verified account @fchollet 1 Oct 2018

      In particular, we are unable to brute-force any problem. We solve constraint satisfaction problems via intuition and analogy. A chess master evaluates millions of times fewer positions than a computer program at a comparable level.

      2 replies 16 retweets 117 likes
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      François Chollet‏Verified account @fchollet 1 Oct 2018

      Our biological and experiential limitations *force* our brains to be *intelligent* -- to learn from few examples, to generalize strongly, to build complex solutions in few trials. Everything that is out of reach for AI today.

      12:16 PM - 1 Oct 2018
      • 58 Retweets
      • 282 Likes
      • Paavan Peter HO Benjamin Bollmann jimmyx.eth (✺, 🦋) 🦇🔊 Arnab Halder Alex V. Mantzaris Jean-Guilhem Cailton Giovanni Gaglione Jack Lynch 🚽🔨
      5 replies 58 retweets 282 likes
        1. Albert Opoku‏ @opalbert 1 Oct 2018
          Replying to @fchollet

          Conclusion, humans will complement AI systems for a while. A valid point against AI taking all jobs idea.

          0 replies 0 retweets 1 like
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        1. Caleb Moses‏ @Caleb_Speak 1 Oct 2018
          Replying to @fchollet

          I think it’s useful to remember this when general AI seems out of reach. The algorithms we’re looking for *do exist* because the evidence is literally inside our heads.

          0 replies 0 retweets 4 likes
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        1. Carlos Kik Lloret‏ @CeKMTL 1 Oct 2018
          Replying to @fchollet

          I totally agree with you and my intuition tells me that you are right... I always enjoy reading your thoughts so merci and a salute from Barcelona. 🙂

          0 replies 0 retweets 1 like
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        1. Abe Stanway‏ @abestanway 1 Oct 2018
          Replying to @fchollet

          Also undetermined: the extent we are born with whatever is analogous to NN weights. Jerry Fodor's LOT theory is relevant: https://en.wikipedia.org/wiki/Language_of_thought_hypothesis …. If our brains are pre-trained with semantic structures, true AI is probably all but impossible to train in short timeframes

          0 replies 0 retweets 0 likes
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        1. Pie Tech‏ @PieTechSF 2 Oct 2018
          Replying to @fchollet

          Neurotransmitters. Our brains are far beyond binary.

          0 replies 0 retweets 0 likes
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