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Let’s Build Brains MICRO 2007 Panel Computing Beyond Von Neumann

Let’s Build Brains MICRO 2007 Panel Computing Beyond Von Neumann. Mikko H. Lipasti Associate Professor Electrical and Computer Engineering University of Wisconsin – Madison. http://www.ece.wisc.edu/~pharm. Brains (1). Human brain  Von Neumann machine Face recognition: <500ms

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Let’s Build Brains MICRO 2007 Panel Computing Beyond Von Neumann

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  1. Let’s Build BrainsMICRO 2007 PanelComputing Beyond Von Neumann Mikko H. Lipasti Associate Professor Electrical and Computer Engineering University of Wisconsin – Madison http://www.ece.wisc.edu/~pharm

  2. Brains (1) • Human brain  Von Neumann machine • Face recognition: <500ms • Neurons are slow: • Critical path is a handful of “gates” • Fundamentally different computational model • Made of shoddy, unreliable parts “…neurons are noisy, unreliable devices, … the nervous system averages over many cells to compensate for these shoddy components.” -Christof Koch • We can build it. We have the technology. MICRO’-40 Panel: Computing Beyond Von Neumann

  3. Brains (2) • Human neocortex: • ~20B neurons, ~200T synapses • Physiologically homogenous • Hypothesis: runs common algorithm • Apply architecture 101? • Abstraction layers • Hierarchy and replication • Scientific understanding incomplete • Several plausible hypotheses • Difficult to study brains in situ • Building leads to understanding [Anant’s keynote] • Synthetic artifacts much easier to study Let’s Build Brains! MICRO’-40 Panel: Computing Beyond Von Neumann

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