wehub-resource-sync
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/* Copyright 2020 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/lite/tflite_with_xnnpack_optional.h"
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#include <memory>
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#include "tensorflow/lite/core/c/common.h"
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#ifdef TFLITE_BUILD_WITH_XNNPACK_DELEGATE
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#include "tensorflow/lite/delegates/xnnpack/xnnpack_delegate.h"
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#else
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#include "tensorflow/lite/core/macros.h"
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#endif
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namespace tflite {
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using TfLiteDelegatePtr =
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std::unique_ptr<TfLiteDelegate, void (*)(TfLiteDelegate*)>;
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#ifdef TFLITE_BUILD_WITH_XNNPACK_DELEGATE
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TfLiteDelegatePtr MaybeCreateXNNPACKDelegate(
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TfLiteContext* context, XNNPackQS8Options xnnpack_qs8_options) {
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auto opts = TfLiteXNNPackDelegateOptionsDefault();
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switch (xnnpack_qs8_options) {
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case XNNPackQS8Options::enabled:
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opts.flags |= TFLITE_XNNPACK_DELEGATE_FLAG_QU8;
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break;
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case XNNPackQS8Options::disabled:
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opts.flags &= ~(1UL << (TFLITE_XNNPACK_DELEGATE_FLAG_QU8 - 1));
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break;
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case (XNNPackQS8Options::default_value):
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default:
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break;
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}
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return TfLiteDelegatePtr(
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TfLiteXNNPackDelegateCreateWithThreadpool(&opts, context),
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TfLiteXNNPackDelegateDelete);
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}
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#else
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// Using weak symbols to create a delegate allows automatic injection of the
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// delegate simply by adding it as a dependency. See the strong override in
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// lite/tflite_with_xnnpack.cc,
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TFLITE_ATTRIBUTE_WEAK TfLiteDelegatePtr AcquireXNNPACKDelegate() {
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return TfLiteDelegatePtr(nullptr, [](TfLiteDelegate*) {});
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}
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TfLiteDelegatePtr MaybeCreateXNNPACKDelegate(
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TfLiteContext* context, XNNPackQS8Options xnnpack_qs8_options) {
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return AcquireXNNPACKDelegate();
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}
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#endif
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} // namespace tflite
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