47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
/* Copyright 2017 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_STREAM_EXECUTOR_HOST_BUFFER_H_
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#define TENSORFLOW_STREAM_EXECUTOR_HOST_BUFFER_H_
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#include "tensorflow/stream_executor/dnn.h"
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namespace stream_executor {
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// A HostBuffer is a block of memory in host memory containing the data for a
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// dnn::BatchDescriptor using a device-dependent memory layout.
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// Derived classes provide methods to construct a HostBuffer for a specific
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// device, and to copy data in and out of the buffer.
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class HostBuffer {
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public:
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const dnn::BatchDescriptor& descriptor() const { return descriptor_; }
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// Returns a string describing the HostBuffer.
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virtual string AsString() const = 0;
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protected:
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// Construct a HostBuffer from the supplied dnn::BatchDescriptor.
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explicit HostBuffer(const dnn::BatchDescriptor& descriptor)
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: descriptor_(descriptor) {}
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virtual ~HostBuffer() {}
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private:
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const dnn::BatchDescriptor descriptor_;
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};
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} // namespace stream_executor
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#endif // TENSORFLOW_STREAM_EXECUTOR_HOST_BUFFER_H_
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