Spaces:
Runtime error
Runtime error
File size: 2,363 Bytes
be11144 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 |
#include <unittest/unittest.h>
#include <thrust/set_operations.h>
#include <thrust/execution_policy.h>
template<typename ExecutionPolicy, typename Iterator1, typename Iterator2, typename Iterator3, typename Iterator4>
__global__
void set_union_kernel(ExecutionPolicy exec,
Iterator1 first1, Iterator1 last1,
Iterator2 first2, Iterator2 last2,
Iterator3 result1,
Iterator4 result2)
{
*result2 = thrust::set_union(exec, first1, last1, first2, last2, result1);
}
template<typename ExecutionPolicy>
void TestSetUnionDevice(ExecutionPolicy exec)
{
typedef thrust::device_vector<int> Vector;
typedef typename Vector::iterator Iterator;
Vector a(3), b(4);
a[0] = 0; a[1] = 2; a[2] = 4;
b[0] = 0; b[1] = 3; b[2] = 3; b[3] = 4;
Vector ref(5);
ref[0] = 0; ref[1] = 2; ref[2] = 3; ref[3] = 3; ref[4] = 4;
Vector result(5);
thrust::device_vector<Iterator> end_vec(1);
set_union_kernel<<<1,1>>>(exec,
a.begin(), a.end(),
b.begin(), b.end(),
result.begin(),
end_vec.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
Iterator end = end_vec[0];
ASSERT_EQUAL_QUIET(result.end(), end);
ASSERT_EQUAL(ref, result);
}
void TestSetUnionDeviceSeq()
{
TestSetUnionDevice(thrust::seq);
}
DECLARE_UNITTEST(TestSetUnionDeviceSeq);
void TestSetUnionDeviceDevice()
{
TestSetUnionDevice(thrust::device);
}
DECLARE_UNITTEST(TestSetUnionDeviceDevice);
void TestSetUnionCudaStreams()
{
typedef thrust::device_vector<int> Vector;
typedef Vector::iterator Iterator;
Vector a(3), b(4);
a[0] = 0; a[1] = 2; a[2] = 4;
b[0] = 0; b[1] = 3; b[2] = 3; b[3] = 4;
Vector ref(5);
ref[0] = 0; ref[1] = 2; ref[2] = 3; ref[3] = 3; ref[4] = 4;
Vector result(5);
cudaStream_t s;
cudaStreamCreate(&s);
Iterator end = thrust::set_union(thrust::cuda::par.on(s),
a.begin(), a.end(),
b.begin(), b.end(),
result.begin());
cudaStreamSynchronize(s);
ASSERT_EQUAL_QUIET(result.end(), end);
ASSERT_EQUAL(ref, result);
cudaStreamDestroy(s);
}
DECLARE_UNITTEST(TestSetUnionCudaStreams);
|