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| author |  Benoit Steiner <bsteiner@google.com> | 2018-01-26 13:23:02 -0800 |
|---|---|---|
| committer |  TensorFlower Gardener <gardener@tensorflow.org> | 2018-01-26 13:28:48 -0800 |
| commit | 079a0e53311b4cf913be5ec5bd26bbb2b0649e93 (patch) | |
| tree | 0a357c90e4e9f75173c371687b26ce7351010845 /tensorflow/core/grappler/costs/cost_estimator.h | |
| parent | d1910fa9eb274717719c4dcff3247498ea30caa4 (diff) | |
Improved heuristics for swapping
PiperOrigin-RevId: 183435438
Diffstat (limited to 'tensorflow/core/grappler/costs/cost_estimator.h')
| -rw-r--r-- | tensorflow/core/grappler/costs/cost_estimator.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tensorflow/core/grappler/costs/cost_estimator.h b/tensorflow/core/grappler/costs/cost_estimator.h index b7eaf8dc63..d442861339 100644 --- a/tensorflow/core/grappler/costs/cost_estimator.h +++ b/tensorflow/core/grappler/costs/cost_estimator.h @@ -78,6 +78,9 @@ struct Costs { MilliSeconds asMilliSeconds() const { return std::chrono::duration_cast<std::chrono::milliseconds>(*this); } + static NanoSeconds infinity() { + return NanoSeconds(std::chrono::nanoseconds::max()); + } }; // We store all our times in nanoseconds. If needs be, we can always switch to |