/* Copyright 2018 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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#include "tensorflow/stream_executor/cuda/cudnn_version.h"
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namespace stream_executor {
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namespace gpu {
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bool IsSourceCompatibleWithCudnnLibrary(CudnnVersion source_version,
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CudnnVersion loaded_version) {
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// Major version is neither forward or backward compatible and therefore major
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// versions needs to match between source and library.
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//
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// Minor version is backward-compatible beginning with CuDNN 7 and therefore
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// minor version of library needs to be same or higher.
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//
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// Patch releases are always forward and backward compatible and therefore
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// need not match.
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if (loaded_version.major_version != source_version.major_version) {
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return false;
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}
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return ((loaded_version.minor_version == source_version.minor_version) ||
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(source_version.major_version >= 7 &&
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loaded_version.minor_version >= source_version.minor_version));
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}
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} // namespace gpu
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} // namespace stream_executor
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