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triton/lib/driver/platform.cc

90 lines
2.7 KiB
C++
Executable File

/* Copyright 2015-2017 Philippe Tillet
*
* 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 <string>
#include "triton/driver/platform.h"
#include "triton/driver/device.h"
namespace triton
{
namespace driver
{
/* ------------------------ */
// CUDA //
/* ------------------------ */
std::string cu_platform::version() const{
int version;
dispatch::cuDriverGetVersion(&version);
return std::to_string(version);
}
void cu_platform::devices(std::vector<device *> &devices) const{
int N;
dispatch::cuDeviceGetCount(&N);
for(int i = 0 ; i < N ; ++i){
CUdevice dvc;
dispatch::cuDeviceGet(&dvc, i);
devices.push_back(new driver::cu_device(dvc));
}
}
/* ------------------------ */
// OpenCL //
/* ------------------------ */
std::string cl_platform::version() const {
size_t size;
check(dispatch::clGetPlatformInfo(*cl_, CL_PLATFORM_VERSION, 0, nullptr, &size));
std::string result(size, 0);
check(dispatch::clGetPlatformInfo(*cl_, CL_PLATFORM_VERSION, size, (void*)&*result.begin(), nullptr));
return result;
}
void cl_platform::devices(std::vector<device*> &devices) const{
cl_uint num_devices;
check(dispatch::clGetDeviceIDs(*cl_, CL_DEVICE_TYPE_GPU, 0, nullptr, &num_devices));
std::vector<cl_device_id> ids(num_devices);
check(dispatch::clGetDeviceIDs(*cl_, CL_DEVICE_TYPE_GPU, num_devices, ids.data(), nullptr));
for(cl_device_id id: ids)
devices.push_back(new driver::ocl_device(id));
}
/* ------------------------ */
// Host //
/* ------------------------ */
std::string host_platform::version() const {
return "1.0";
}
void host_platform::devices(std::vector<driver::device*> &devices) const {
devices.push_back(new driver::host_device());
}
}
}