135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
/* Copyright 2015-2017 Philippe Tillet
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "isaac/driver/kernel.h"
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#include "isaac/driver/buffer.h"
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#include "isaac/value_scalar.h"
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#include <iostream>
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#include <cstring>
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namespace isaac
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{
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namespace driver
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{
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Kernel::Kernel(Program const & program, const char * name) : backend_(program.backend_), address_bits_(program.context().device().address_bits()), 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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cu_params_store_.reserve(64);
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cu_params_.reserve(64);
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dispatch::cuModuleGetFunction(&h_.cu(), program.h_.cu(), name);\
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break;
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case OPENCL:
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cl_int err;
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h_.cl() = dispatch::clCreateKernel(program.h_.cl(), name, &err);
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check(err);
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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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void Kernel::setArg(unsigned int index, value_scalar const & scal)
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{
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switch(scal.dtype())
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{
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//case BOOL_TYPE: setArg(index, scal.values().bool8); break;
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case CHAR_TYPE: setArg(index, scal.values().int8); break;
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case UCHAR_TYPE: setArg(index, scal.values().uint8); break;
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case SHORT_TYPE: setArg(index, scal.values().int16); break;
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case USHORT_TYPE: setArg(index, scal.values().uint16); break;
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case INT_TYPE: setArg(index, scal.values().int32); break;
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case UINT_TYPE: setArg(index, scal.values().uint32); break;
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case LONG_TYPE: setArg(index, scal.values().int64); break;
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case ULONG_TYPE: setArg(index, scal.values().uint64); break;
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//case HALF_TYPE: setArg(index, scal.values().float16); break;
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case FLOAT_TYPE: setArg(index, scal.values().float32); break;
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case DOUBLE_TYPE: setArg(index, scal.values().float64); break;
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default: throw unknown_datatype(scal.dtype());
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}
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}
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void Kernel::setArg(unsigned int index, std::size_t size, void* ptr)
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{
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switch(backend_)
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{
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case CUDA:
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if(index + 1> cu_params_store_.size())
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{
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cu_params_store_.resize(index+1);
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cu_params_.resize(index+1);
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}
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cu_params_store_[index].reset(malloc(size), free);
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memcpy(cu_params_store_[index].get(), ptr, size);
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cu_params_[index] = cu_params_store_[index].get();
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break;
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case OPENCL:
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dispatch::clSetKernelArg(h_.cl(), index, size, ptr);
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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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void Kernel::setArg(unsigned int index, Buffer const & data)
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{
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switch(backend_)
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{
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case CUDA:
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{
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setArg(index, sizeof(CUdeviceptr), (void*)&data.h_.cu()); break;
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}
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case OPENCL:
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dispatch::clSetKernelArg(h_.cl(), index, sizeof(cl_mem), (void*)&data.h_.cl());
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break;
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default: throw;
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}
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}
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void Kernel::setSizeArg(unsigned int index, size_t N)
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{
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switch(backend_)
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{
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case CUDA:
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{
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int NN = static_cast<cl_int>(N);
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setArg(index, sizeof(int), &NN);
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break;
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}
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case OPENCL:
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{
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cl_int NN = static_cast<cl_int>(N);
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setArg(index, 4, &NN);
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break;
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}
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default: throw;
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}
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}
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}
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}
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