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A comment on Comparing Google’s TPUv2 against Nvidia’s V100 on ResNet-50. Parent comment

Re:Comparing Google’s TPUv2 against Nvidia’s V100 on ResNet-50 by elmarhaussmann on Thursday April 26, 2018 @10:13PM (#16937961)
For this benchmark, NVLink and gradient reduction isn't the bottleneck. The performance scales almost perfectly linearly from one GPU to four.
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