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| author |  Dimitris Vardoulakis <dimvar@google.com> | 2018-04-09 13:42:35 -0700 |
|---|---|---|
| committer |  TensorFlower Gardener <gardener@tensorflow.org> | 2018-04-09 13:44:33 -0700 |
| commit | 07e28a70874eef87772549c505d241eea2e6b9e9 (patch) | |
| tree | 89fdef7840046678bf3c13de34538c6869e5be2e /tensorflow/compiler/xla/service/hlo_constant_folding.cc | |
| parent | 36882e882c3de9be4381c266af6049b08fe2326c (diff) | |
Add opcode for new instruction that broadcasts degenerate dimensions.
Implicit broadcasts can be translated to the new instruction instead of a reshape-and-broadcast.
Follow-up CLs will add support in UserComputation and the various backends.
PiperOrigin-RevId: 192180356
Diffstat (limited to 'tensorflow/compiler/xla/service/hlo_constant_folding.cc')
| -rw-r--r-- | tensorflow/compiler/xla/service/hlo_constant_folding.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tensorflow/compiler/xla/service/hlo_constant_folding.cc b/tensorflow/compiler/xla/service/hlo_constant_folding.cc index 35ecd4428d..7aa38c6b79 100644 --- a/tensorflow/compiler/xla/service/hlo_constant_folding.cc +++ b/tensorflow/compiler/xla/service/hlo_constant_folding.cc @@ -69,7 +69,8 @@ StatusOr<bool> HloConstantFolding::Run(HloModule* module) { // Broadcasts dramatically increase the size of constants, which is often // detrimental to performance and memory capacity, so do not fold // broadcasts. - if (instruction->opcode() == HloOpcode::kBroadcast) { + if (instruction->opcode() == HloOpcode::kBroadcast || + instruction->opcode() == HloOpcode::kBroadcastDimOne) { continue; } |