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Add release note for tf.distribute.experimental.PreemptionCheckpointHandler.

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Xinyi Wang 2022-06-17 10:39:24 -07:00 committed by TensorFlower Gardener
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@ -74,6 +74,15 @@
behavior, set `inject_prefetch=True` in
`tf.data.experimental.OptimizationOptions`.
* `tf.distribute`:
* Added [`tf.distribute.experimental.PreemptionCheckpointHandler`](https://www.tensorflow.org/api_docs/python/tf/distribute/experimental/PreemptionCheckpointHandler)
to handle worker preemption/maintenance and cluster-wise consistent
error reporting for `tf.distribute.MultiWorkerMirroredStrategy`.
Specifically, for the type of interruption with advance notice, it
automatically saves a checkpoint, exits the program without raising an
unrecoverable error, and restores the progress when training restarts.
* `tf.math`:
* Added `tf.math.approx_max_k` and `tf.math.approx_min_k` which are the