wehub-resource-sync
92 lines
3.7 KiB
C++
92 lines
3.7 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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#ifndef TENSORFLOW_LITE_KERNELS_TEST_DELEGATE_PROVIDERS_H_
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#define TENSORFLOW_LITE_KERNELS_TEST_DELEGATE_PROVIDERS_H_
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#include <vector>
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#include "tensorflow/lite/tools/delegates/delegate_provider.h"
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#include "tensorflow/lite/tools/tool_params.h"
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namespace tflite {
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// A utility class to provide TfLite delegate creations for kernel tests. The
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// options of a particular delegate could be specified from commandline flags by
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// using the delegate provider registrar as implemented in lite/tools/delegates
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// directory.
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class KernelTestDelegateProviders {
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public:
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// Returns a global KernelTestDelegateProviders instance.
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static KernelTestDelegateProviders* Get();
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KernelTestDelegateProviders();
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// Initialize delegate-related parameters from commandline arguments and
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// returns true if successful.
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bool InitFromCmdlineArgs(int* argc, const char** argv);
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// This provides a way to overwrite parameter values programmatically before
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// creating TfLite delegates. Note, changes to the returned ToolParams will
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// have a global impact on creating TfLite delegates.
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// If a local-only change is preferred, recommend using the following workflow
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// create TfLite delegates via delegate providers:
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// tools::ToolParams local_params;
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// local_params.Merge(KernelTestDelegateProviders::Get()->ConstParams());
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// Overwrite params in local_params by calling local_params.Set<...>(...);
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// Get TfLite delegates via
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// KernelTestDelegateProviders::Get()->CreateAllDelegates(local_params);
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tools::ToolParams* MutableParams() { return ¶ms_; }
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const tools::ToolParams& ConstParams() const { return params_; }
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// Create a list of TfLite delegates based on the provided parameters
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// `params`.
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std::vector<tools::ProvidedDelegateList::ProvidedDelegate> CreateAllDelegates(
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const tools::ToolParams& params) const {
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tools::ProvidedDelegateList util;
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return util.CreateAllRankedDelegates(params);
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}
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// Similar to the above, but creating a list of TfLite delegates based on what
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// have been initialized (i.e. 'params_').
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std::vector<tools::ProvidedDelegateList::ProvidedDelegate>
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CreateAllDelegates() const {
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return delegate_list_util_.CreateAllRankedDelegates();
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}
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// An option name to use Simple Memory Allocator.
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static constexpr char kUseSimpleAllocator[] = "use_simple_allocator";
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// An option name to provide acceleration test config file.
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static constexpr char kAccelerationTestConfigPath[] =
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"acceleration_test_config_path";
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// An option name to allow fp16 precision for fp32 computation.
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static constexpr char kAllowFp16PrecisionForFp32[] =
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"allow_fp16_precision_for_fp32";
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// An option name to provide directory path for TFLite model dump.
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static constexpr char kDumpTFLiteModelDir[] = "dump_tflite_model_dir";
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private:
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// Contain delegate-related parameters that are initialized from command-line
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// flags.
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tools::ToolParams params_;
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// A helper to create TfLite delegates.
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tools::ProvidedDelegateList delegate_list_util_;
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};
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} // namespace tflite
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#endif // TENSORFLOW_LITE_KERNELS_TEST_DELEGATE_PROVIDERS_H_
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