Improve a few activation functions #347
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Co-authored-by: Carlo Lucibello <carlo.lucibello@gmail.com>
mcabbott
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Oct 18, 2021
Sleort
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Nov 18, 2022
A few percent faster `softplus` using `relu(x)` instead of `max(x, 0)`. Ref. FluxML#347.
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This makes
leakyrelu3x quicker, andrelu10% quicker. I'm sure these weren't bottlenecks for anyone, but still. Also upgrades gradients to useInplaceableThunk.