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blas.cpp
/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* http://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <gtest/gtest.h>
#include <arrayfire.h>
#include <af/dim4.hpp>
#include <af/blas.h>
#include <af/traits.hpp>
#include <af/defines.h>
#include <testHelpers.hpp>
#include <string>
using std::string;
using std::cout;
using std::endl;
using std::ostream_iterator;
using std::copy;
using std::vector;
template<typename T>
class MatrixMultiply : public ::testing::Test
{
};
typedef ::testing::Types<float, af::cfloat, double, af::cdouble> TestTypes;
TYPED_TEST_CASE(MatrixMultiply, TestTypes);
template<typename T, bool isBVector>
void MatMulCheck(string TestFile)
{
if (noDoubleTests<T>()) return;
using std::vector;
vector<af::dim4> numDims;
vector<vector<T> > hData;
vector<vector<T> > tests;
readTests<T,T,int>(TestFile, numDims, hData, tests);
af_array a, aT, b, bT;
ASSERT_EQ(AF_SUCCESS,
af_create_array(&a, &hData[0].front(), numDims[0].ndims(), numDims[0].get(), (af_dtype) af::dtype_traits<T>::af_type));
af::dim4 atdims = numDims[0];
{
dim_t f = atdims[0];
atdims[0] = atdims[1];
atdims[1] = f;
}
ASSERT_EQ(AF_SUCCESS,
af_moddims(&aT, a, atdims.ndims(), atdims.get()));
ASSERT_EQ(AF_SUCCESS,
af_create_array(&b, &hData[1].front(), numDims[1].ndims(), numDims[1].get(), (af_dtype) af::dtype_traits<T>::af_type));
af::dim4 btdims = numDims[1];
{
dim_t f = btdims[0];
btdims[0] = btdims[1];
btdims[1] = f;
}
ASSERT_EQ(AF_SUCCESS,
af_moddims(&bT, b, btdims.ndims(), btdims.get()));
vector<af_array> out(tests.size(), 0);
if(isBVector) {
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[0] , aT, b, AF_MAT_NONE, AF_MAT_NONE));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[1] , bT, a, AF_MAT_NONE, AF_MAT_NONE));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[2] , b, a, AF_MAT_TRANS, AF_MAT_NONE));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[3] , bT, aT, AF_MAT_NONE, AF_MAT_TRANS));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[4] , b, aT, AF_MAT_TRANS, AF_MAT_TRANS));
}
else {
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[0] , a, b, AF_MAT_NONE, AF_MAT_NONE));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[1] , a, bT, AF_MAT_NONE, AF_MAT_TRANS));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[2] , a, bT, AF_MAT_TRANS, AF_MAT_NONE));
ASSERT_EQ(AF_SUCCESS, af_matmul( &out[3] , aT, bT, AF_MAT_TRANS, AF_MAT_TRANS));
}
for(size_t i = 0; i < tests.size(); i++) {
dim_t elems;
ASSERT_EQ(AF_SUCCESS, af_get_elements(&elems, out[i]));
vector<T> h_out(elems);
ASSERT_EQ(AF_SUCCESS, af_get_data_ptr((void *)&h_out.front(), out[i]));
if( false == equal(h_out.begin(), h_out.end(), tests[i].begin()) ) {
cout << "Failed test " << i << "\nCalculated: " << endl;
copy(h_out.begin(), h_out.end(), ostream_iterator<T>(cout, ", "));
cout << "Expected: " << endl;
copy(tests[i].begin(), tests[i].end(), ostream_iterator<T>(cout, ", "));
FAIL();
}
}
ASSERT_EQ(AF_SUCCESS, af_release_array(a));
ASSERT_EQ(AF_SUCCESS, af_release_array(aT));
ASSERT_EQ(AF_SUCCESS, af_release_array(b));
ASSERT_EQ(AF_SUCCESS, af_release_array(bT));
for (size_t i = 0; i < out.size(); i++) {
ASSERT_EQ(AF_SUCCESS, af_release_array(out[i]));
}
}
TYPED_TEST(MatrixMultiply, Square)
{
MatMulCheck<TypeParam, false>(TEST_DIR"/blas/Basic.test");
}
TYPED_TEST(MatrixMultiply, NonSquare)
{
MatMulCheck<TypeParam, false>(TEST_DIR"/blas/NonSquare.test");
}
TYPED_TEST(MatrixMultiply, SquareVector)
{
MatMulCheck<TypeParam, true>(TEST_DIR"/blas/SquareVector.test");
}
TYPED_TEST(MatrixMultiply, RectangleVector)
{
MatMulCheck<TypeParam, true>(TEST_DIR"/blas/RectangleVector.test");
}
template<typename T, bool isBVector>
void cppMatMulCheck(string TestFile)
{
if (noDoubleTests<T>()) return;
using std::vector;
vector<af::dim4> numDims;
vector<vector<T> > hData;
vector<vector<T> > tests;
readTests<T,T,int>(TestFile, numDims, hData, tests);
af::array a(numDims[0], &hData[0].front());
af::array b(numDims[1], &hData[1].front());
af::dim4 atdims = numDims[0];
{
dim_t f = atdims[0];
atdims[0] = atdims[1];
atdims[1] = f;
}
af::dim4 btdims = numDims[1];
{
dim_t f = btdims[0];
btdims[0] = btdims[1];
btdims[1] = f;
}
af::array aT = moddims(a, atdims.ndims(), atdims.get());
af::array bT = moddims(b, btdims.ndims(), btdims.get());
vector<af::array> out(tests.size());
if(isBVector) {
out[0] = af::matmul(aT, b, AF_MAT_NONE, AF_MAT_NONE);
out[1] = af::matmul(bT, a, AF_MAT_NONE, AF_MAT_NONE);
out[2] = af::matmul(b, a, AF_MAT_TRANS, AF_MAT_NONE);
out[3] = af::matmul(bT, aT, AF_MAT_NONE, AF_MAT_TRANS);
out[4] = af::matmul(b, aT, AF_MAT_TRANS, AF_MAT_TRANS);
}
else {
out[0] = af::matmul(a, b, AF_MAT_NONE, AF_MAT_NONE);
out[1] = af::matmul(a, bT, AF_MAT_NONE, AF_MAT_TRANS);
out[2] = af::matmul(a, bT, AF_MAT_TRANS, AF_MAT_NONE);
out[3] = af::matmul(aT, bT, AF_MAT_TRANS, AF_MAT_TRANS);
}
for(size_t i = 0; i < tests.size(); i++) {
dim_t elems = out[i].elements();
vector<T> h_out(elems);
out[i].host((void*)&h_out.front());
if (false == equal(h_out.begin(), h_out.end(), tests[i].begin())) {
cout << "Failed test " << i << "\nCalculated: " << endl;
copy(h_out.begin(), h_out.end(), ostream_iterator<T>(cout, ", "));
cout << "Expected: " << endl;
copy(tests[i].begin(), tests[i].end(), ostream_iterator<T>(cout, ", "));
FAIL();
}
}
}
TYPED_TEST(MatrixMultiply, Square_CPP)
{
cppMatMulCheck<TypeParam, false>(TEST_DIR"/blas/Basic.test");
}
TYPED_TEST(MatrixMultiply, NonSquare_CPP)
{
cppMatMulCheck<TypeParam, false>(TEST_DIR"/blas/NonSquare.test");
}
TYPED_TEST(MatrixMultiply, SquareVector_CPP)
{
cppMatMulCheck<TypeParam, true>(TEST_DIR"/blas/SquareVector.test");
}
TYPED_TEST(MatrixMultiply, RectangleVector_CPP)
{
cppMatMulCheck<TypeParam, true>(TEST_DIR"/blas/RectangleVector.test");
}
#define DEVICE_ITERATE(func) do { \
const char* ENV = getenv("AF_MULTI_GPU_TESTS"); \
if(ENV && ENV[0] == '0') { \
func; \
} else { \
int oldDevice = af::getDevice(); \
for(int i = 0; i < af::getDeviceCount(); i++) { \
af::setDevice(i); \
func; \
} \
af::setDevice(oldDevice); \
} \
} while(0);
TYPED_TEST(MatrixMultiply, MultiGPUSquare_CPP)
{
DEVICE_ITERATE((cppMatMulCheck<TypeParam, false>(TEST_DIR"/blas/Basic.test")));
}
TYPED_TEST(MatrixMultiply, MultiGPUNonSquare_CPP)
{
DEVICE_ITERATE((cppMatMulCheck<TypeParam, false>(TEST_DIR"/blas/NonSquare.test")));
}
TYPED_TEST(MatrixMultiply, MultiGPUSquareVector_CPP)
{
DEVICE_ITERATE((cppMatMulCheck<TypeParam, true>(TEST_DIR"/blas/SquareVector.test")));
}
TYPED_TEST(MatrixMultiply, MultiGPURectangleVector_CPP)
{
DEVICE_ITERATE((cppMatMulCheck<TypeParam, true>(TEST_DIR"/blas/RectangleVector.test")));
}
#undef DEVICE_ITERATE