• How Numenta Builds Neural Networks Inspired by Sparsity in the Human Brain

  • Jun 21 2022
  • Length: 25 mins
  • Podcast

How Numenta Builds Neural Networks Inspired by Sparsity in the Human Brain

  • Summary

  • Our brains only use about 30-40 watts of power, yet are more powerful than neural networks which take extensive amounts of energy to run. So what can we learn from the brain to help us build better neural networks? Join Michael McCourt as he interviews Subutai Ahmad, VP of Research at Numenta, about his latest work.

    In this episode, they discuss sparsity, bioinspiration, and how Numenta is using SigOpt to help them build better neural networks and save on training costs.

    1:31 - Background on Numenta
    2:31 - Bioinspiration
    3:47 - Numenta's three research areas
    4:06 - What is sparsity and how does it function in the brain?
    7:15 - Training costs, Moore's Law, and how deep learning systems are on a different curve
    9:58 - Mismatch between hardware and algorithms today in deep learning
    11:04 - Improving energy usage and speed with sparse networks
    14:10 - Sparse networks work with different hyperparameter regimes than dense networks
    14:18 - How Numenta uses SigOpt Multimetric optimization
    15:48 - How Numenta uses SigOpt Multitask to constrain costs
    18:06 - How Numenta chose their hyperparameters
    19:40 - What's next from Numenta

    Learn more about Numenta at numenta.com and follow them on YouTube at www.youtube.com/c/NumentaTheory

    Read Jeff Hawkin's book, A Thousand Brains: A New Theory of Intelligence

    Learn more about SigOpt at sigopt.com and follow us on Twitter at twitter.com/sigopt

    Subscribe to our YouTube channel to watch Experiment Exchange interviews at www.youtube.com/channel/sigopt

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