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| author |  A. Unique TensorFlower <gardener@tensorflow.org> | 2018-03-26 11:44:19 -0700 |
|---|---|---|
| committer | TensorFlower Gardener <gardener@tensorflow.org> | 2018-03-26 11:46:47 -0700 |
| commit | 6d46c21e9f300d07e30a2185671f07d34fac3999 (patch) | |
| tree | 35dcdff9757f660d2c34e4a7da4c78640a1ddd3c /tensorflow/core/grappler/op_types.h | |
| parent | 73937a7096908a9ae01dd7da2d76932a7fed194b (diff) | |
Make the CSE ("node deduping") pass in ArithmeticOptimizer more robust in the presence of ops that modify their inputs in-place: Do not dedup nodes if the underlying buffers for their outputs may be passed to an in-place op.
PiperOrigin-RevId: 190499037
Diffstat (limited to 'tensorflow/core/grappler/op_types.h')
| -rw-r--r-- | tensorflow/core/grappler/op_types.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tensorflow/core/grappler/op_types.h b/tensorflow/core/grappler/op_types.h index 49e01f68e3..1ec1cd46e3 100644 --- a/tensorflow/core/grappler/op_types.h +++ b/tensorflow/core/grappler/op_types.h @@ -154,8 +154,12 @@ bool IsCommutative(const NodeDef& node); bool IsPersistent(const NodeDef& node); bool IsFreeOfSideEffect(const NodeDef& node); + bool ModifiesFrameInfo(const NodeDef& node); +// Returns true if the op is known to write to one or more of its inputs. +bool ModifiesInputsInPlace(const NodeDef& node); + // Returns true if the op is an element-wise involution, i.e. if it is its // own inverse such that f(f(x)) == x. bool IsInvolution(const NodeDef& node); |