39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_COMPILER_JIT_CLUSTER_SCOPING_PASS_H_
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#define TENSORFLOW_COMPILER_JIT_CLUSTER_SCOPING_PASS_H_
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#include "tensorflow/core/common_runtime/optimization_registry.h"
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namespace tensorflow {
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// This pass adds scopes to nodes in the _XlaInternalScope attribute to guide
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// the later clustering passes. A major reason to do this is to prevent the
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// clustering from losing critical parallelism in the Tensorflow graph, which
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// can incur great performance degradation.
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//
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// This pass must be run before MarkForCompilationPass, as it stores the
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// scoping information that MarkForCompilationPass will need to respect for
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// clustering decision.
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class ClusterScopingPass : public GraphOptimizationPass {
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public:
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Status Run(const GraphOptimizationPassOptions& options) override;
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};
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} // namespace tensorflow
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#endif // TENSORFLOW_COMPILER_JIT_CLUSTER_SCOPING_PASS_H_
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