US Patent 10445641 Distributed training of reinforcement learning systems
Patent 10445641 was granted and assigned to Deepmind Technologies Limited on October, 2019 by the United States Patent and Trademark Office.
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Methods, systems, and apparatus, including computer programs encoded on computer storage media, for distributed training of reinforcement learning systems. One of the methods includes receiving, by a learner, current values of the parameters of the Q network from a parameter server, wherein each learner maintains a respective learner Q network replica and a respective target Q network replica; updating, by the learner, the parameters of the learner Q network replica maintained by the learner using the current values; selecting, by the learner, an experience tuple from a respective replay memory; computing, by the learner, a gradient from the experience tuple using the learner Q network replica maintained by the learner and the target Q network replica maintained by the learner; and providing, by the learner, the computed gradient to the parameter server.
US Patent 10445641 Distributed training of reinforcement learning systems
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