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/*
* Copyright (c) 2017-2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "SchedulerTimer.h"
#include "WallClockTimer.h"
#include "arm_compute/core/CPP/ICPPKernel.h"
namespace arm_compute
{
namespace test
{
namespace framework
{
std::string SchedulerTimer::id() const
{
return "SchedulerTimer";
}
class Interceptor final : public IScheduler
{
public:
/** Default constructor. */
Interceptor(std::list<SchedulerTimer::kernel_info> &kernels, IScheduler &real_scheduler, ScaleFactor scale_factor)
: _kernels(kernels), _real_scheduler(real_scheduler), _timer(scale_factor)
{
}
void set_num_threads(unsigned int num_threads) override
{
_real_scheduler.set_num_threads(num_threads);
}
unsigned int num_threads() const override
{
return _real_scheduler.num_threads();
}
void schedule(ICPPKernel *kernel, unsigned int split_dimension) override
{
_timer.start();
_real_scheduler.schedule(kernel, split_dimension);
_timer.stop();
SchedulerTimer::kernel_info info;
info.name = kernel->name();
info.measurements = _timer.measurements();
_kernels.push_back(std::move(info));
}
private:
std::list<SchedulerTimer::kernel_info> &_kernels;
IScheduler &_real_scheduler;
WallClockTimer _timer;
};
SchedulerTimer::SchedulerTimer(ScaleFactor scale_factor)
: _kernels(), _real_scheduler(nullptr), _real_scheduler_type(), _scale_factor(scale_factor)
{
}
void SchedulerTimer::start()
{
ARM_COMPUTE_ERROR_ON(_real_scheduler != nullptr);
_real_scheduler_type = Scheduler::get_type();
//Note: We can't currently replace a custom scheduler
if(_real_scheduler_type != Scheduler::Type::CUSTOM)
{
_real_scheduler = &Scheduler::get();
auto interceptor = std::make_shared<Interceptor>(_kernels, *_real_scheduler, _scale_factor);
Scheduler::set(std::static_pointer_cast<IScheduler>(interceptor));
}
_kernels.clear();
}
void SchedulerTimer::stop()
{
// Restore real scheduler
Scheduler::set(_real_scheduler_type);
_real_scheduler = nullptr;
}
Instrument::MeasurementsMap SchedulerTimer::measurements() const
{
MeasurementsMap measurements;
unsigned int kernel_number = 0;
for(auto kernel : _kernels)
{
measurements.emplace(kernel.name + " #" + support::cpp11::to_string(kernel_number++), kernel.measurements.begin()->second);
}
return measurements;
}
} // namespace framework
} // namespace test
} // namespace arm_compute
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