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Commits on Oct 26, 2018

• Correctly log default ranking in collective param resolution.

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Commits on Oct 22, 2018

• Always turn on scoped allocator optimization in CollectiveAllReduceStrategy.

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Commits on Oct 18, 2018

• Enable user to choose all-reduce algorithm for multi-worker MirroredStrategy.

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Commits on Oct 16, 2018

• Fix documentation for multi-worker training.

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Commits on Oct 3, 2018

• Enable collective graph key test for GPU builds.

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Commits on Oct 1, 2018

• Remove jemalloc build files and dead configuration options.

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Commits on Sep 28, 2018

• Copy shape into CollectiveParams only once per CollectiveReduce kernel.

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Commits on Sep 27, 2018

• Dynamic subdivisions in collective ring reduce.

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Commits on Sep 26, 2018

• Set step_id in Executor Args to the step_id generated in MasterSession.

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Commits on Aug 31, 2018

• BEGIN_PUBLIC

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• Automated rollback of commit 73a3477

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• Initialize collective_graph_key based on the graph if unspecified in RunOptions.

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Commits on Aug 30, 2018

• Set collective_executor in function CallOp from OpKernelContext.

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• Skip links to devices that do not participate in a collective instance.

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Commits on Aug 27, 2018

• Refactor collectives to colocate implementation-specific code.

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Commits on Jul 31, 2018

• Hierarchical broadcast collective op.

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Commits on Jul 2, 2018

• Unblock RingReducer's PCQueue after calling StartAbort in async callback.

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Commits on Jun 29, 2018

• Do not capture variables that may be destroyed before callback finishes.

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• Fix synchronization across callbacks in collective params initialization.

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Commits on Jun 27, 2018

• Do not capture variables that may be destroyed before callback finishes.

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• Fix synchronization across callbacks in collective params initialization.

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Commits on May 16, 2018

• Remove redundant initialization of collective params.

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Commits on May 2, 2018

• Enable reshape of _ScopedAllocatorConcat output.

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Commits on Apr 30, 2018

• Prepare nodes that will be allocated using ScopedAllocator.

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Commits on Apr 9, 2018

• Automated g4 rollback of changelist 186518037

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Commits on Mar 29, 2018

• Initialize pointer to ScopedAllocatorMgr in BaseGPUDevice.

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Commits on Mar 22, 2018

• Add new Ops for ScopedAllocator and the associated Concat and Split. The

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Commits on Mar 14, 2018

• Add ScopedAllocator and ScopedAllocatorMgr.

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