Files
triton/lib/wrap/clBLAS.cpp
2015-06-24 07:51:27 -07:00

72 lines
2.4 KiB
C++

#include "CL/cl.hpp"
#include "isaac/wrap/clBLAS.h"
#include "isaac/array.h"
namespace is = isaac;
extern "C"
{
clblasStatus clblasSetup()
{
return clblasSuccess;
}
void clblasTeardown()
{
}
clblasStatus clblasSgemm(clblasOrder order, clblasTranspose transA, clblasTranspose transB,
size_t M, size_t N, size_t K,
cl_float alpha, const cl_mem mA, size_t offA, size_t lda,
const cl_mem mB, size_t offB, size_t ldb, cl_float beta,
cl_mem mC, size_t offC, size_t ldc,
cl_uint numCommandQueues, cl_command_queue *commandQueues,
cl_uint numEventsInWaitList, const cl_event *eventWaitList, cl_event *events)
{
is::int_t As1 = M, As2 = K;
is::int_t Bs1 = K, Bs2 = N;
if(transA==clblasTrans) std::swap(As1, As2);
if(transB==clblasTrans) std::swap(Bs1, Bs2);
is::array A(is::FLOAT_TYPE, cl::Buffer(mA), is::_(offA%lda, As1, 1), is::_(offA/lda, As2, 1), lda);
is::array B(is::FLOAT_TYPE, cl::Buffer(mB), is::_(offB%ldb, Bs1, 1), is::_(offB/ldb, Bs2, 1), ldb);
is::array C(is::FLOAT_TYPE, cl::Buffer(mC), is::_(offC%ldc, M, 1), is::_(offC/ldc, N, 1), ldc);
std::vector<is::driver::Event> waitlist;
for(cl_uint i = 0 ; i < numEventsInWaitList ; ++i)
waitlist.push_back(cl::Event(eventWaitList[i]));
std::list<is::driver::Event> levents;
for(cl_uint i = 0 ; i < numCommandQueues ; ++i)
{
clRetainCommandQueue(commandQueues[i]);
cl::CommandQueue clqueue(commandQueues[i]);
is::driver::CommandQueue queue(clqueue);
is::execution_options_type opt(queue, &levents, &waitlist);
if(transA==clblasTrans && transB==clblasTrans)
C = is::control(alpha*dot(A.T(), B.T()) + beta*C, opt);
else if(transA==clblasTrans && transB==clblasNoTrans)
C = is::control(alpha*dot(A.T(), B) + beta*C, opt);
else if(transA==clblasNoTrans && transB==clblasTrans)
C = is::control(alpha*dot(A, B.T()) + beta*C, opt);
else
C = is::control(alpha*dot(A, B) + beta*C, opt);
}
if(events)
*events = static_cast<cl::Event>(levents.front())();
std::cout << events << std::endl;
return clblasSuccess;
}
}