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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "benchmark_runner.h"
#include "benchmark_event.h"
#include <tensorflow/lite/model.h>
#include <tflite/ext/kernels/register.h>
#include <tflite/Assert.h>
#include <tflite/NNAPISession.h>
#include <misc/benchmark.h>
#include <cpp14/memory.h>
#include <iostream>
using namespace tflite;
using namespace nnfw::tflite;
using namespace std::chrono;
namespace
{
void notify(const BMBegin &event)
{
BMCategory::get()->post(nnfw::cpp14::make_unique<BMBegin>(event));
}
void notify(const BMEnd &event) { BMCategory::get()->post(nnfw::cpp14::make_unique<BMEnd>(event)); }
} // namespace
void BMRunner<TFL_NNAPI_DELEGATE>::run(const std::string &filename) const
{
BuiltinOpResolver op_resolver;
StderrReporter error_reporter;
auto model = FlatBufferModel::BuildFromFile(filename.c_str(), &error_reporter);
if (model == nullptr)
{
throw std::runtime_error{"Cannot create model"};
}
InterpreterBuilder builder(*model, op_resolver);
std::unique_ptr<Interpreter> interp;
TFLITE_ENSURE(builder(&interp));
auto sess = std::make_shared<nnfw::tflite::NNAPISession>(interp.release());
auto get_iteration_count = [](const BMPhase &phase) {
switch (phase)
{
case Warmup:
return 1; // Allow configuration
case Stable:
return 3;
default:
break;
}
throw std::runtime_error{"Error!"};
};
// Iteration!
for (auto phase : {Warmup, Stable})
{
uint32_t iteration_count = get_iteration_count(phase);
for (uint32_t n = 0; n < iteration_count; ++n)
{
// Notify event
{
BMBegin event;
event.phase = phase;
event.cur_iter = n;
notify(event);
}
sess->prepare();
std::chrono::milliseconds elapsed(0);
nnfw::misc::benchmark::measure(elapsed) << [&](void) {
if (!sess->run())
{
throw std::runtime_error{"run failed"};
}
};
sess->teardown();
// Notify
{
BMEnd event;
event.phase = phase;
event.cur_iter = n;
event.elapsed = elapsed;
notify(event);
}
}
}
}
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