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//---------------------------------------------------------------------------//
// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#define BOOST_TEST_MODULE TestSvmPtr
#include <boost/test/unit_test.hpp>
#include <iostream>
#include <boost/compute/core.hpp>
#include <boost/compute/svm.hpp>
#include <boost/compute/container/vector.hpp>
#include <boost/compute/utility/source.hpp>
#include "quirks.hpp"
#include "check_macros.hpp"
#include "context_setup.hpp"
namespace compute = boost::compute;
BOOST_AUTO_TEST_CASE(empty)
{
}
#ifdef BOOST_COMPUTE_CL_VERSION_2_0
BOOST_AUTO_TEST_CASE(alloc)
{
REQUIRES_OPENCL_VERSION(2, 0);
compute::svm_ptr<cl_int> ptr = compute::svm_alloc<cl_int>(context, 8);
compute::svm_free(context, ptr);
}
BOOST_AUTO_TEST_CASE(svmmemcpy)
{
REQUIRES_OPENCL_VERSION(2, 0);
if(bug_in_svmmemcpy(device)){
std::cerr << "skipping svmmemcpy test case" << std::endl;
return;
}
cl_int input[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
cl_int output[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
compute::svm_ptr<cl_int> ptr = compute::svm_alloc<cl_int>(context, 8);
compute::svm_ptr<cl_int> ptr2 = compute::svm_alloc<cl_int>(context, 8);
// copying from and to host mem
queue.enqueue_svm_memcpy(ptr.get(), input, 8 * sizeof(cl_int));
queue.enqueue_svm_memcpy(output, ptr.get(), 8 * sizeof(cl_int));
queue.finish();
CHECK_HOST_RANGE_EQUAL(cl_int, 8, output, (1, 2, 3, 4, 5, 6, 7, 8));
// copying between svm mem
queue.enqueue_svm_memcpy(ptr2.get(), ptr.get(), 8 * sizeof(cl_int));
queue.enqueue_svm_memcpy(output, ptr2.get(), 8 * sizeof(cl_int));
queue.finish();
CHECK_HOST_RANGE_EQUAL(cl_int, 8, output, (1, 2, 3, 4, 5, 6, 7, 8));
compute::svm_free(context, ptr);
compute::svm_free(context, ptr2);
}
BOOST_AUTO_TEST_CASE(sum_svm_kernel)
{
REQUIRES_OPENCL_VERSION(2, 0);
const char source[] = BOOST_COMPUTE_STRINGIZE_SOURCE(
__kernel void sum_svm_mem(__global const int *ptr, __global int *result)
{
int sum = 0;
for(uint i = 0; i < 8; i++){
sum += ptr[i];
}
*result = sum;
}
);
compute::program program =
compute::program::build_with_source(source, context, "-cl-std=CL2.0");
compute::kernel sum_svm_mem_kernel = program.create_kernel("sum_svm_mem");
cl_int data[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
compute::svm_ptr<cl_int> ptr = compute::svm_alloc<cl_int>(context, 8);
queue.enqueue_svm_map(ptr.get(), 8 * sizeof(cl_int), CL_MAP_WRITE);
for(size_t i = 0; i < 8; i ++) {
static_cast<cl_int*>(ptr.get())[i] = data[i];
}
queue.enqueue_svm_unmap(ptr.get());
compute::vector<cl_int> result(1, context);
sum_svm_mem_kernel.set_arg(0, ptr);
sum_svm_mem_kernel.set_arg(1, result);
queue.enqueue_task(sum_svm_mem_kernel);
queue.finish();
BOOST_CHECK_EQUAL(result[0], (36));
compute::svm_free(context, ptr);
}
#endif // BOOST_COMPUTE_CL_VERSION_2_0
#ifdef BOOST_COMPUTE_CL_VERSION_2_1
BOOST_AUTO_TEST_CASE(migrate)
{
REQUIRES_OPENCL_VERSION(2, 1);
compute::svm_ptr<cl_int> ptr =
compute::svm_alloc<cl_int>(context, 8);
// Migrate to device
std::vector<const void*> ptrs(1, ptr.get());
std::vector<size_t> sizes(1, 8 * sizeof(cl_int));
queue.enqueue_svm_migrate_memory(ptrs, sizes).wait();
// Set on device
const char source[] = BOOST_COMPUTE_STRINGIZE_SOURCE(
__kernel void foo(__global int *ptr)
{
for(int i = 0; i < 8; i++){
ptr[i] = i;
}
}
);
compute::program program =
compute::program::build_with_source(source, context, "-cl-std=CL2.0");
compute::kernel foo_kernel = program.create_kernel("foo");
foo_kernel.set_arg(0, ptr);
queue.enqueue_task(foo_kernel).wait();
// Migrate to host
queue.enqueue_svm_migrate_memory(
ptr.get(), 0, boost::compute::command_queue::migrate_to_host
).wait();
// Check
CHECK_HOST_RANGE_EQUAL(
cl_int, 8,
static_cast<cl_int*>(ptr.get()),
(0, 1, 2, 3, 4, 5, 6, 7)
);
compute::svm_free(context, ptr);
}
#endif // BOOST_COMPUTE_CL_VERSION_2_1
BOOST_AUTO_TEST_SUITE_END()
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