Commit 081f30a7 authored by David Majnemer's avatar David Majnemer Committed by TensorFlower Gardener
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[TF2XLA] Optimize TruncatedNormalOp 

Re-sampling when encountering a rejected value can be quite slow.
If we directly use the inverse CDF of the normal distribution, the probit
function, we can avoid the need to resample.

PiperOrigin-RevId: 201296864
parent 9ab04add
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