129 lines
4.9 KiB
C++
129 lines
4.9 KiB
C++
#include <cmath>
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#include "common.hpp"
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#include "isaac/array.h"
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#include "isaac/wrap/clBLAS.h"
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namespace isc = isaac;
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template<typename T>
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void test_row_wise_reduction(T epsilon, simple_vector_base<T> & cy, simple_matrix_base<T> const & cA, simple_vector_base<T> & cx,
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isc::array & y, isc::array const & A, isc::array & x, interface_t interf, const char * prefix)
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{
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int failure_count = 0;
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isc::int_t M = A.shape()[0];
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isc::int_t N = A.shape()[1];
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simple_vector<T> bufy(M);
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simple_vector<T> bufx(N);
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T alpha = 4.2, beta = 5.6;
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isc::driver::CommandQueue queue = isc::driver::backend::queue(y.context(),0);
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T yi = 0, xi = 0;
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#define TEST_OPERATION(NAME, SIZE1, SIZE2, REDUCTION, ASSIGNMENT, GPU_REDUCTION, RES, BUF, CRES)\
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std::cout << "[" << prefix << "] \t" << NAME "..." << std::flush;\
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for(int i = 0 ; i < SIZE1 ; ++i)\
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{\
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yi = 0;\
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xi = 0;\
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for(int j = 0 ; j < SIZE2 ; ++j)\
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REDUCTION;\
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ASSIGNMENT;\
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}\
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GPU_REDUCTION;\
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queue.synchronize();\
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isc::copy(RES, BUF.data());\
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if(diff(CRES, BUF, epsilon))\
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{\
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failure_count++;\
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std::cout << " [Failure!]" << std::endl;\
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}\
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else\
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std::cout << std::endl;
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if(interf==clBLAS)
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{
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cl_command_queue clqueue = queue.handle().cl();
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TEST_OPERATION("GEMV(ROW, NoTrans)", M, N, yi+=cA(i,j)*cx[j], cy[i] = alpha*yi + beta*cy[i],
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BLAS<T>::F(clblasSgemv, clblasDgemv)(clblasRowMajor, clblasTrans, N, M, alpha, CHANDLE(A), OFF(A), LD(A),
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CHANDLE(x), x.start()[0], x.stride()[0], beta, CHANDLE(y), y.start()[0], y.stride()[0],
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1, &clqueue, 0, NULL, NULL), y, bufy, cy);
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TEST_OPERATION("GEMV(ROW, Trans)", N, M, xi+=cA(j,i)*cy[j], cx[i] = alpha*xi + beta*cx[i],
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BLAS<T>::F(clblasSgemv, clblasDgemv)(clblasRowMajor, clblasNoTrans, N, M, alpha, CHANDLE(A), OFF(A), LD(A),
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CHANDLE(y), y.start()[0], y.stride()[0], beta, CHANDLE(x), x.start()[0], x.stride()[0],
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1, &clqueue, 0, NULL, NULL), x, bufx, cx);
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TEST_OPERATION("GEMV(COL, NoTrans)", M, N, yi+=cA(i,j)*cx[j], cy[i] = alpha*yi + beta*cy[i],
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BLAS<T>::F(clblasSgemv, clblasDgemv)(clblasColumnMajor, clblasNoTrans, M, N, alpha, CHANDLE(A), OFF(A), LD(A),
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CHANDLE(x), x.start()[0], x.stride()[0], beta, CHANDLE(y), y.start()[0], y.stride()[0],
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1, &clqueue, 0, NULL, NULL), y, bufy, cy);
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TEST_OPERATION("GEMV(COL, Trans)", N, M, xi+=cA(j,i)*cy[j], cx[i] = alpha*xi + beta*cx[i],
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BLAS<T>::F(clblasSgemv, clblasDgemv)(clblasColumnMajor, clblasTrans, M, N, alpha, CHANDLE(A), OFF(A), LD(A),
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CHANDLE(y), y.start()[0], y.stride()[0], beta, CHANDLE(x), x.start()[0], x.stride()[0],
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1, &clqueue, 0, NULL, NULL), x, bufx, cx);
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}
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else
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{
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TEST_OPERATION("y = A.x", M, N, yi+=cA(i,j)*cx[j], cy[i] = yi, y = dot(A,x), y, bufy, cy);
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TEST_OPERATION("y = sum(A,1)", M, N, yi+=cA(i,j), cy[i] = yi, y = sum(A,1), y, bufy, cy);
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TEST_OPERATION("x = A'.y", N, M, xi+=cA(j,i)*cy[j], cx[i] = xi, x = dot(trans(A),y), x, bufx, cx);
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TEST_OPERATION("x = sum(A,0)", N, M, xi+=cA(j,i), cx[i] = xi, x = sum(A,0), x, bufx, cx);
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}
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if(failure_count>0)
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exit(EXIT_FAILURE);
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}
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template<typename T>
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void test_impl(T epsilon, isc::driver::Context const & ctx)
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{
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int_t M = 1324;
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int_t N = 1143;
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int_t SUBM = 184;
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int_t SUBN = 145;
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INIT_VECTOR(M, SUBM, 7, 2, cy, y, ctx);
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INIT_VECTOR(N, SUBN, 5, 3, cx, x, ctx);
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{
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INIT_MATRIX(M, SUBM, 9, 1, N, SUBN, 8, 1, cA, A, ctx);
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test_row_wise_reduction(epsilon, cy_full, cA_full, cx_full, y_full, A_full, x_full, clBLAS, "BLAS, FULL");
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test_row_wise_reduction(epsilon, cy_slice, cA_slice, cx_slice, y_slice, A_slice, x_slice, clBLAS, "BLAS, SUB");
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}
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{
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INIT_MATRIX(M, SUBM, 9, 5, N, SUBN, 8, 4, cA, A, ctx);
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test_row_wise_reduction(epsilon, cy_full, cA_full, cx_full, y_full, A_full, x_full, CPP, "C++, FULL");
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test_row_wise_reduction(epsilon, cy_slice, cA_slice, cx_slice, y_slice, A_slice, x_slice, CPP, "C++, SUB");
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}
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}
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int main()
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{
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clblasSetup();
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std::list<isaac::driver::Context const *> const & data = isc::driver::backend::contexts();
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for(isaac::driver::Context const * context : data)
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{
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isc::driver::Device device = isc::driver::backend::queue(*context,0).device();
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std::cout << "Device: " << device.name() << " on " << device.platform().name() << " " << device.platform().version() << std::endl;
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std::cout << "---" << std::endl;
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std::cout << ">> float" << std::endl;
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test_impl<float>(1e-4, *context);
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if(device.fp64_support())
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{
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std::cout << ">> double" << std::endl;
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test_impl<double>(1e-9, *context);
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}
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std::cout << "---" << std::endl;
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}
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clblasTeardown();
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return EXIT_SUCCESS;
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}
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