webgpu: Use (16, 1, 1) as the work group size for binary and unary ops #2013
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With this change, the add benchmark has close to 100% speedup. And PoseNet+ResNet demo improves from 3 fps to 6 fps. We should try to avoid using (1, 1, 1) as the default work group size. PERF
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@annxingyuan @kainino0x Please take a look. Thanks. |
annxingyuan
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Sep 11, 2019
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LGTM - thank you this is so awesome! I had mistakenly believed that there would be no performance benefit from simply bundling threads into thread groups when shared memory is not being used.
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With this change, the add benchmark has close to 100% speedup.
And PoseNet+ResNet demo improves from 3 fps to 6 fps.
We should try to avoid using (1, 1, 1) as the default work group size.
PERF
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