[AutoDiff] make differentiable array ops inlinable #31704
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dan-zheng
approved these changes
May 11, 2020
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@swift-ci please test |
rxwei
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May 11, 2020
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A solver in https://github.com/borglab/SwiftFusion that had some
differentiableMapanddifferentiableReducein its inner loop was spending ~50% of its time in these two operations. Switching the solver to usemapandreducechanged this to ~0%.Making
differentiableMapanddifferentiableReduce@inlinableshould fix this. (Though I haven't actually built a toolchain to confirm. This isn't urgent enough that I want to spend time building a toolchain to confirm it, so I'll just wait until this makes its way into a toolchain before confirming.)