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Commits on Oct 17, 2019

• Temporarily skip part of dumping_call_test.testSimpleKerasRecurrentModelFit as it's timing out on TAP.

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• Temporarily disabling AutoMixedPrecisionTest.SoftmaxOp as it's failing on tap.

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Commits on Oct 16, 2019

• Temporarily disable dtypes_test.testRepr as it's failing.

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• Temporarily disable tensorflow/python/keras/distribute:distribute_strategy_test_tpu due to failing test.

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• Temporarily disable tridiagonal_solve_op_test on oss.

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• Temporarily disable dtypes_test.testRepr for tf2 as it's failing.

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• In `multi_process_runner`, in the case where subprocess raises an error, re-raise the exception in addition to reporting it to the parent process, so that even if `--test_timeout` flag is set and t…

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Commits on Oct 15, 2019

• Use `ExcInfoWrapper` class to communicate the exc_info information from subprocesses to parent process. Create `multi_process_runner_util`.

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Commits on Oct 11, 2019

• Update the doc in `multi_process_runner` for how the subprocesses logs can be inspected.

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Commits on Oct 9, 2019

• Updates to `multi_process_runner`.

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Commits on Oct 4, 2019

• Improve error message for ModelCheckpoint if `filepath` is a directory which h5 can't save.

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Commits on Oct 3, 2019

• Updates to `multi_process_runner`.

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Commits on Oct 2, 2019

• Open source `multi_process_runner`. This is part of the effort to create a testing library for multi-worker training.

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Commits on Sep 23, 2019

• Fix the issue where `initial_epoch` for multi-worker fault tolerance purpose is assigned before it's loaded from checkpoint file.

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Commits on Sep 20, 2019

• Update of `_in_multi_worker_mode` docstring.

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Commits on Sep 18, 2019

• In `tf.keras.utils.get_file`, make it okay if the directory to make already exists.

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Commits on Sep 17, 2019

• Move deleting back up checkpoint at the end of training to the end of last epoch.

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Commits on Sep 14, 2019

• Make `train_with_multi_worker` private as it's not used outside of the module.

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Commits on Aug 22, 2019

• Make the check for whether it is multi_worker_mode not rely on TF_CONFIG environment variable, but delegate to strategy extended objects.

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Commits on Aug 14, 2019

• Skip MultiWorkerTrainingStateTest for Windows py35 path not found error. Root cause is unclear, but skipping the test to unblock release.

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Commits on Aug 9, 2019

• Updates doc in `MirroredStrategy` now that `MultiWorkerMirroredStrategy` is available.

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Commits on Aug 8, 2019

• Fix the issue where `multi_worker_util.in_multi_worker_mode()` incorrectly implies multi worker mode without the presence of a dist-strat. Add a test case that would fail previously. Create private…

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• Remove obsolete test.

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Commits on Aug 6, 2019

• Typo fix in ci_sanity.sh.

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Commits on Aug 2, 2019

• Dist-strat agnostic fix for unwrapping `initial_value` if it's a `CheckpointInitialValue` at the time a variable is created to avoid dereferencing a `Tensor` without a `name` attr.

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Commits on Jul 31, 2019

• Update the docstring for `infer_steps_for_dataset`.

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Commits on Jul 24, 2019

• Fix tensorflow/python/keras:wrappers_test for new Keras single code path.

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Commits on Jul 22, 2019

• Unwrap `initial_value` if it is a `CheckpointInitialValue` in collective_all_reduce_strategy's `initial_value_fn`. This fixes a bug where running keras_mnist_multi_worker with eager causes seg fault.

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Commits on Jul 3, 2019

• Fix forward multi worker fault tolerance test. Keep it disabled for OSS as windows would break with this.

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Commits on Jul 2, 2019

• Eliminate flakiness on multi_worker_fault_tolerance_test and reenable on TAP, guitar, and OSS.

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Commits on Jun 25, 2019

• Deflake all calls to `portpicker.pick_unused_port()`.

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Commits on Jun 20, 2019

• Reduce flakiness on multi_worker_fault_tolerance_test.

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Commits on Jun 19, 2019

• Automated rollback of commit 1fef4919bb77a4df57f86513b341879eab7bf655

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• Use user-specified directory rather than `tempfile.mkdtemp()` for temporarily stored state file by non-chief worker. This is so that in the unlikely cases where those temp files aren't removed prop…

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• Roll back create_cluster_spec change in estimator until nightly picks up the updated tf.

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