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path: root/tensorflow/core/grappler/utils_test.cc
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* Optimize ParseNodeNameAsStringPiece and related functions, since they are ↵Gravatar A. Unique TensorFlower2018-09-27
| | | | | | the most costly functions in Grappler. PiperOrigin-RevId: 214853009
* Use less memory by only storing pointers to ops that feed inplace ops.Gravatar A. Unique TensorFlower2018-09-25
| | | | | | Handle empty strings in NodePositionIfSameNode. PiperOrigin-RevId: 214393567
* Speed up DedupComputation in arithmetic optimizer.Gravatar A. Unique TensorFlower2018-09-24
| | | | PiperOrigin-RevId: 214338100
* MutableGraphView and other graph utilsGravatar Piotr Padlewski2018-07-25
| | | | | | MutableGraphView was implemented so that the view could be updated when new nodes are added or connections changed. The current passes do not require it only because they do not do any optimization on already optimized nodes, but optimizations like MapFusion require it. PiperOrigin-RevId: 206046420
* Enable Add/AddN tree rewrite for symbolically equal shapes.Gravatar A. Unique TensorFlower2018-03-14
| | | | | | | | | 1) Rewrite a tree of Add/AddN ops with a single AddN, if all shapes are symbolically equal 2) Lookup shape properties using GraphProperties instead of direct access to Node attributes PiperOrigin-RevId: 189131726
* Improve model_pruner:Gravatar A. Unique TensorFlower2018-02-07
| | | | | | | | | | | | | | * Actually remove nodes marked for removal if fetches are known. * Remove trivial nodes even in the presence of control inputs, except for Identity nodes when a) they are anchored on an Identity following a Switch node and removal would require anchoring a control identity on the Switch, or b) they have control inputs and feed a Merge node. * Remove nodes only when in_degree * out_degree <= in_degree + out_degree. Move input deduping utility function to utils.{h,cc}. PiperOrigin-RevId: 184858685
* Backward pass implementation for fusion optimizer.Gravatar A. Unique TensorFlower2018-02-05
| | | | PiperOrigin-RevId: 184589487
* Get rid of some code duplication in Grappler optimizers by refactoring some ↵Gravatar A. Unique TensorFlower2017-11-21
| | | | | | | | utilities to a shared location. Generalize the GetTailOfXXXChain to a more generic graph walker that takes a predicate functor that controls when to stop. PiperOrigin-RevId: 176577743
* Add a control dependency optimizer to Grappler.Gravatar A. Unique TensorFlower2017-11-14
| | | | | | | | | | | | | | | | | | | | | | The first two rewrites implemented are: 1. Turn nodes with only control outputs into NoOps, if we know that they are safe to remove. Such nodes can be produced, e.g., by rewrite rules in the arithmetic optimizer. 2. Completely disconnect NoOp nodes with at most 1 input or at most 1 output by rerouting their inputs to their outputs. The restriction on fan-in/fan-out guarantees that we reduce the number of control dependencies in the graph. The two (slightly) non-trivial cases are: // Case a) // x --^> +------+ x --^> +---+ // y --^> | NoOp | --^> a ==> y --^> | a | // ... | | ... | | // z --^> +------+ z --^> +---+ // // Case b) // +------+ --^> a +---+ --^> a // x --^> | NoOp | --^> b ==> | x | --^> b // | | ... | | ... // +------+ --^> c +---+ --^> c PiperOrigin-RevId: 175780178
* Fold fetch nodes.Gravatar Yao Zhang2017-09-21
| | | | PiperOrigin-RevId: 169604180
* Use slash after node prefix. It produces better organized graphs in tensorboard.Gravatar Yuefeng Zhou2017-04-22
| | | | Change: 153959030
* Sleep forever to trigger the timeout consistentlyGravatar Benoit Steiner2017-03-16
| | | | Change: 150388263
* - Makes SingleMachine::Run(...) thread-safe.Gravatar Vinu Rajashekhar2017-03-16
| | | | Change: 150289918
* Add a function to initialize a tensor and a utility function to add a prefix ↵Gravatar Yao Zhang2017-03-08
| | | | | | to the node name. Change: 149576194
* Started to open source Grappler. First application is the GPU layout optimizer.Gravatar Benoit Steiner2017-03-08
Change: 149558284
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