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backend.cpp
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92 lines (74 loc) · 2.32 KB
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/*******************************************************
* 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/data.h>
#include <af/dim4.hpp>
#include <af/traits.hpp>
#include <string>
#include <vector>
#include <testHelpers.hpp>
#include <af/device.h>
using std::string;
using std::vector;
const char *getActiveBackendString(af_backend active)
{
switch(active) {
case AF_BACKEND_CPU : return "AF_BACKEND_CPU";
case AF_BACKEND_CUDA : return "AF_BACKEND_CUDA";
case AF_BACKEND_OPENCL: return "AF_BACKEND_OPENCL";
default : return "AF_BACKEND_DEFAULT";
}
}
template<typename T>
void testFunction()
{
af_info();
af_backend activeBackend = (af_backend)0;
af_get_active_backend(&activeBackend);
printf("Active Backend Enum = %s\n", getActiveBackendString(activeBackend));
af_array outArray = 0;
dim_t dims[] = {32, 32};
ASSERT_EQ(AF_SUCCESS, af_randu(&outArray, 2, dims, (af_dtype) af::dtype_traits<T>::af_type));
// Verify backends returned by array and by function are the same
af_backend arrayBackend = (af_backend)0;
af_get_backend_id(&arrayBackend, outArray);
ASSERT_EQ(arrayBackend, activeBackend);
// cleanup
if(outArray != 0) ASSERT_EQ(AF_SUCCESS, af_release_array(outArray));
}
void backendTest()
{
int backends = af::getAvailableBackends();
ASSERT_NE(backends, 0);
bool cpu = backends & AF_BACKEND_CPU;
bool cuda = backends & AF_BACKEND_CUDA;
bool opencl = backends & AF_BACKEND_OPENCL;
printf("\nRunning Default Backend...\n");
testFunction<float>();
if(cpu) {
printf("\nRunning CPU Backend...\n");
af::setBackend(AF_BACKEND_CPU);
testFunction<float>();
}
if(cuda) {
printf("\nRunning CUDA Backend...\n");
af::setBackend(AF_BACKEND_CUDA);
testFunction<float>();
}
if(opencl) {
printf("\nRunning OpenCL Backend...\n");
af::setBackend(AF_BACKEND_OPENCL);
testFunction<float>();
}
}
TEST(BACKEND_TEST, Basic)
{
backendTest();
}