71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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* Copyright (c) 2015, PHILIPPE TILLET. All rights reserved.
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*
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* This file is part of ISAAC.
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*
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* ISAAC is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include "isaac/driver/event.h"
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#include "helpers/ocl/infos.hpp"
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namespace isaac
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{
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namespace driver
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{
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Event::Event(backend_type backend) : backend_(backend), h_(backend_, true)
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{
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switch(backend_)
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{
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case CUDA:
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cuda::check(dispatch::dispatch::cuEventCreate(&h_.cu().first, CU_EVENT_DEFAULT));
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cuda::check(dispatch::dispatch::cuEventCreate(&h_.cu().second, CU_EVENT_DEFAULT));
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break;
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case OPENCL:
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break;
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default:
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throw;
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}
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}
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Event::Event(cl_event const & event, bool take_ownership) : backend_(OPENCL), h_(backend_, take_ownership)
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{
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h_.cl() = event;
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}
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long Event::elapsed_time() const
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{
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switch(backend_)
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{
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case CUDA:
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float time;
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cuda::check(dispatch::cuEventElapsedTime(&time, h_.cu().first, h_.cu().second));
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return 1e6*time;
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case OPENCL:
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return static_cast<long>(ocl::info<CL_PROFILING_COMMAND_END>(h_.cl()) - ocl::info<CL_PROFILING_COMMAND_START>(h_.cl()));
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default:
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throw;
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}
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}
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HANDLE_TYPE(cl_event, cu_event_t) & Event::handle()
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{ return h_; }
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}
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}
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