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/*
* Copyright (c) 2020-2021 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.
*/
#ifndef ARM_COMPUTE_CLTUNING_PARAMS_H
#define ARM_COMPUTE_CLTUNING_PARAMS_H
#include "arm_compute/core/CL/OpenCL.h"
#include "arm_compute/runtime/CL/CLTunerTypes.h"
#include "support/StringSupport.h"
#include <ostream>
namespace arm_compute
{
/**< OpenCL tuner parameters */
class CLTuningParams
{
public:
CLTuningParams(const CLTuningParams &) = default;
CLTuningParams(unsigned int lws_x = 0, unsigned int lws_y = 0, unsigned int lws_z = 0, int wbsm = 0)
: _lws(lws_x, lws_y, lws_z), _wbsm(wbsm)
{
}
CLTuningParams(cl::NDRange lws, cl_int wbsm = 0)
: _lws(lws), _wbsm(wbsm)
{
}
CLTuningParams(cl_int wbsm)
: CLTuningParams(cl::NullRange, wbsm)
{
}
void set_lws(cl::NDRange lws)
{
_lws = lws;
}
cl::NDRange get_lws() const
{
return _lws;
}
void set_wbsm(cl_int wbsm)
{
_wbsm = wbsm;
}
cl_int get_wbsm() const
{
return _wbsm;
}
std::string to_string(CLTuningInfo tuning_info)
{
std::string tuning_params_string = "";
tuning_params_string += ";" + support::cpp11::to_string(_lws[0]) + ";" + support::cpp11::to_string(_lws[1]) + ";" + support::cpp11::to_string(_lws[2]);
if(tuning_info.tune_wbsm)
{
tuning_params_string += ";" + support::cpp11::to_string(_wbsm);
}
return tuning_params_string;
}
bool from_string(CLTuningInfo tuning_info, std::string tuning_params_string)
{
std::replace(tuning_params_string.begin(), tuning_params_string.end(), ';', ' ');
std::vector<std::string> array;
std::stringstream ss(tuning_params_string);
std::string temp;
while(ss >> temp)
{
array.push_back(temp);
}
// Read 3 values for lws
if(array.size() < 3)
{
return false;
}
const unsigned int lws_0 = support::cpp11::stoi(array[0]);
const unsigned int lws_1 = support::cpp11::stoi(array[1]);
const unsigned int lws_2 = support::cpp11::stoi(array[2]);
if(lws_0 == 0 && lws_1 == 0 && lws_2 == 0)
{
// If lws values are 0, cl::NullRange has to be used
// otherwise the lws object will be badly created
_lws = cl::NullRange;
}
else
{
_lws = cl::NDRange(lws_0, lws_1, lws_2);
}
array.erase(array.begin(), array.begin() + 3);
if(tuning_info.tune_wbsm)
{
if(array.size() < 1)
{
return false;
}
_wbsm = support::cpp11::stoi(array[0]);
array.erase(array.begin());
}
return true;
}
private:
cl::NDRange _lws;
cl_int _wbsm;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_CLTUNING_PARAMS_H */
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