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Commits on Oct 26, 2017

• Add support for PRED and S64 types to MakeFakeLiteral.

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Commits on Oct 25, 2017

• Add de-fuser pass which replaces fusion nodes with their non-fused

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• Make HloRunner methods return StatusOr. Also move templated method definition

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Commits on Oct 19, 2017

• Add local client execution test which uses infeed and outfeed.

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Commits on Oct 18, 2017

• Don't emit fusion computations separately in HloModule::ToString. These computations are emitted with their fusion instruction and therefore don't need to be emitted as a separate comptutation in t…

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Commits on Oct 13, 2017

• Make the HLO proto representation (hlo.proto) full fidelity. Hlo modules can be serialized to HLO protos and deserialized without any information loss.

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Commits on Oct 4, 2017

• Expand set of 64-bit type tests in LocalClientExecuteTest.ShapeBufferToLiteralConversion64bit and factor out into their own test.

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• Expand set of 64-bit type tests in LocalClientExecuteTest.ShapeBufferToLiteralConversion64bit and factor out into their own test.

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• Expand set of 64-bit type tests in LocalClientExecuteTest.ShapeBufferToLiteralConversion64bit and factor out into their own test.

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• Remove "hybrid" HloModuleConfig option. The option was used to generate executables which only generated the array values of tuple-shaped outputs, not the tuple index tables.. With cl/170133015, Sh…

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• Add vlogging of HloModule before and after fusion.

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Commits on Sep 27, 2017

• Do not simplify Tuple->GetTupleElement->Tuple constructs in TupleSimplifier if

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• Add HasLiveRangeInterference to HloAliasAnalysis which returns whether any HLO values in the module have interfering live ranges.

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• For tuple-shaped data, change ShapedBuffer (an abstraction holding on-device data of a given shape) to also hold an array of pointers representing the tuple structure in the device memory. Previous…

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Commits on Sep 26, 2017

• Add TupleSimplifier pass which collapses structures of Tuple and GetTupleElement instructions.

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Commits on Sep 21, 2017

• Add methods to convert between Literals and ShapedBuffers to LocalClient. These "conversion" methods copy the data to/from the device into/from literals.

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Commits on Sep 19, 2017

• Add liveness_util functions which use dataflow analysis. Also make the analysis argument (TuplePointsToAnalysis or HloDataflowAnalysis) non-optional as all callers were passing in the analysis.

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Commits on Sep 14, 2017

• Verify the output shapes of (almost) all HLO opcodes in the HloVerifier.

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Commits on Sep 13, 2017

• Remove overly-conservative CHECK in rematerialization. The CHECK verified

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Commits on Sep 12, 2017

• Use xla/tests:xla_internal_test_main for all tests under tf/compiler/xla

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• Add flag parsing to more tests in xla/service specifically those which build

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Commits on Sep 5, 2017

• Indicate after which pass the HloVerifier failed in the

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Commits on Sep 1, 2017

• Rollback update-ability of dataflow and alias analysis added in cl/164923041 and cl/64778750. It did not scale as intended to large graphs when used in copy insertion. This change also includes som…

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Commits on Aug 30, 2017

• Add check in HloVerifier that the size of a bitcast's output matches the size of its operand.

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Commits on Aug 28, 2017

• Verify the output shape of HLO instructions in the HloVerifier. This change adds verification for some but not all instruction types. To support this verification, add HLO-level methods to ShapeInf…

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Commits on Aug 25, 2017

• Add value order and query methods to HloOrdering. These value ordering methods

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• Show control edges in HLO DOT graph (as dotted lines). Also list

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• Add option to HloComputation::DeepCopyInstruction for selectively copying only

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• Add option to HloComputation::DeepCopyInstruction for selectively copying only

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Commits on Aug 11, 2017

• Make HloAliasAnalysis updatable after changes to the HLO graph.

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Commits on Aug 10, 2017

• Make HloDataFlowAnalysis updatable after transforming the HLO graph.

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Commits on Aug 9, 2017

• Make HloDataFlowAnalysis updatable after transforming the HLO graph.

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Commits on Aug 4, 2017

• Fix const_iterator in ShapeTree. The existing implementation didn't work

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Commits on Aug 2, 2017

• Set the HloModule parent for HloComputations in all instances where

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Commits on Jun 29, 2017

• [XLA] Move HLO reachability into its own file and make update-able.

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