Superconducting Quantum Circuits That Learn - Geordie Rose - H+ Summit @ Harvard
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Transcript of Superconducting Quantum Circuits That Learn - Geordie Rose - H+ Summit @ Harvard
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Building and using superconducting quantum circuits that learn
A status report
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Learning is the key to AGI
Regardless of your definition of intelligence
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Is quantum mechanics required for human+ level learning ability?
If it is, that would be spectacularly interesting and surprising
Let’s assume it’s not
Image from http://www.quantumconsciousness.org/personal.html
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One possibility: Evolution always leads to classical brains
Many compelling arguments in favor of this
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But… quantum algorithms do exist for machine learning
… machines running these algorithms might be superior to any possible evolved brain…
Pattern matching
Inference
Deduction
Scheduling
Optimization
…yes, even termite brains.
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Moral of the story
If brains use quantum mechanics, we should try to discover how & why
If brains don’t use quantum mechanics, we can build machines that are spectacularly better than any possible evolved brain at a wide range of tasks
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(Classical) deep neural netsSee Itamar Arel’s presentation 5:00pm today!
Unsupervised learning with rich sensory input
Problem: learning is computationally hard
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“Analog” deep neural nets… with quantum mechanical components
Also called adiabatic quantum optimization
Use uniquely quantum effects to speed learning
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Layer of input neurons/qubits
Two layers of hidden neurons/qubits
Layer of output neurons/qubits
Weighted connections
The Rainier processor interconnect… each node is a real physical qubit
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How a processor is born… superconducting electronics is fun! and expensive!
1 mm
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These “quantum neural nets” have learned some things already
Used to build best car detector ever built (work done with Google)
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Messages to take away
(Unsupervised) learning is the key to AGI
Deep neural nets might be the way to go
Quantum versions (neurons qubits) are being built; early versions exist already!