wehub-resource-sync
83 lines
2.4 KiB
C++
83 lines
2.4 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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#include "tensorflow/lite/nnapi/nnapi_util.h"
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#include <cstdint>
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#include <string>
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#include <vector>
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#include "tensorflow/lite/nnapi/nnapi_implementation.h"
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#include "tensorflow/lite/util.h"
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namespace tflite {
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namespace nnapi {
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namespace {
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std::string SimpleJoin(const std::vector<const char*>& elements,
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const char* separator) {
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// Note that we avoid use of sstream to avoid binary size bloat.
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std::string joined_elements;
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for (auto it = elements.begin(); it != elements.end(); ++it) {
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if (separator && it != elements.begin()) {
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joined_elements += separator;
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}
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if (*it) {
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joined_elements += *it;
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}
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}
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return joined_elements;
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}
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} // namespace
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std::vector<const char*> GetDeviceNamesList() {
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return GetDeviceNamesList(NnApiImplementation());
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}
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std::vector<const char*> GetDeviceNamesList(const NnApi* nnapi) {
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std::vector<const char*> device_names;
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// Only build the list if NnApiImplementation has the methods we need,
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// leaving it empty otherwise.
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if (nnapi->ANeuralNetworks_getDeviceCount != nullptr) {
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uint32_t num_devices = 0;
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nnapi->ANeuralNetworks_getDeviceCount(&num_devices);
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for (uint32_t i = 0; i < num_devices; i++) {
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ANeuralNetworksDevice* device = nullptr;
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const char* buffer = nullptr;
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nnapi->ANeuralNetworks_getDevice(i, &device);
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nnapi->ANeuralNetworksDevice_getName(device, &buffer);
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device_names.push_back(buffer);
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}
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}
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return device_names;
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}
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std::string GetStringDeviceNamesList() {
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return GetStringDeviceNamesList(NnApiImplementation());
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}
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std::string GetStringDeviceNamesList(const NnApi* nnapi) {
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std::vector<const char*> device_names = GetDeviceNamesList(nnapi);
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return SimpleJoin(device_names, ",");
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}
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} // namespace nnapi
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} // namespace tflite
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