Spaces:
Runtime error
Runtime error
File size: 3,676 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 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 |
#include <unittest/unittest.h>
#include <thrust/sort.h>
#include <thrust/functional.h>
#include <thrust/execution_policy.h>
template<typename ExecutionPolicy, typename Iterator, typename Compare, typename Iterator2>
__global__
void sort_kernel(ExecutionPolicy exec, Iterator first, Iterator last, Compare comp, Iterator2 is_supported)
{
#if (__CUDA_ARCH__ >= 200)
*is_supported = true;
thrust::sort(exec, first, last, comp);
#else
*is_supported = false;
#endif
}
template<typename T>
struct my_less
{
__host__ __device__
bool operator()(const T& lhs, const T& rhs) const
{
return lhs < rhs;
}
};
template<typename T, typename ExecutionPolicy, typename Compare>
void TestComparisonSortDevice(ExecutionPolicy exec, const size_t n, Compare comp)
{
thrust::host_vector<T> h_data = unittest::random_integers<T>(n);
thrust::device_vector<T> d_data = h_data;
thrust::device_vector<bool> is_supported(1);
sort_kernel<<<1,1>>>(exec, d_data.begin(), d_data.end(), comp, is_supported.begin());
cudaError_t const err = cudaDeviceSynchronize();
ASSERT_EQUAL(cudaSuccess, err);
if(is_supported[0])
{
thrust::sort(h_data.begin(), h_data.end(), comp);
ASSERT_EQUAL(h_data, d_data);
}
};
template<typename T>
struct TestComparisonSortDeviceSeq
{
void operator()(const size_t n)
{
TestComparisonSortDevice<T>(thrust::seq, n, my_less<T>());
}
};
VariableUnitTest<
TestComparisonSortDeviceSeq,
unittest::type_list<unittest::int8_t,unittest::int32_t>
> TestComparisonSortDeviceSeqInstance;
template<typename T>
struct TestComparisonSortDeviceDevice
{
void operator()(const size_t n)
{
TestComparisonSortDevice<T>(thrust::device, n, my_less<T>());
}
};
VariableUnitTest<
TestComparisonSortDeviceDevice,
unittest::type_list<unittest::int8_t,unittest::int32_t>
> TestComparisonSortDeviceDeviceDeviceInstance;
template<typename T, typename ExecutionPolicy>
void TestSortDevice(ExecutionPolicy exec, const size_t n)
{
TestComparisonSortDevice<T>(exec, n, thrust::less<T>());
};
template<typename T>
struct TestSortDeviceSeq
{
void operator()(const size_t n)
{
TestSortDevice<T>(thrust::seq, n);
}
};
VariableUnitTest<
TestSortDeviceSeq,
unittest::type_list<unittest::int8_t,unittest::int32_t>
> TestSortDeviceSeqInstance;
template<typename T>
struct TestSortDeviceDevice
{
void operator()(const size_t n)
{
TestSortDevice<T>(thrust::device, n);
}
};
VariableUnitTest<
TestSortDeviceDevice,
unittest::type_list<unittest::int8_t,unittest::int32_t>
> TestSortDeviceDeviceInstance;
void TestSortCudaStreams()
{
thrust::device_vector<int> keys(10);
keys[0] = 9;
keys[1] = 3;
keys[2] = 2;
keys[3] = 0;
keys[4] = 4;
keys[5] = 7;
keys[6] = 8;
keys[7] = 1;
keys[8] = 5;
keys[9] = 6;
cudaStream_t s;
cudaStreamCreate(&s);
thrust::sort(thrust::cuda::par.on(s), keys.begin(), keys.end());
cudaStreamSynchronize(s);
ASSERT_EQUAL(true, thrust::is_sorted(keys.begin(), keys.end()));
cudaStreamDestroy(s);
}
DECLARE_UNITTEST(TestSortCudaStreams);
void TestComparisonSortCudaStreams()
{
thrust::device_vector<int> keys(10);
keys[0] = 9;
keys[1] = 3;
keys[2] = 2;
keys[3] = 0;
keys[4] = 4;
keys[5] = 7;
keys[6] = 8;
keys[7] = 1;
keys[8] = 5;
keys[9] = 6;
cudaStream_t s;
cudaStreamCreate(&s);
thrust::sort(thrust::cuda::par.on(s), keys.begin(), keys.end(), my_less<int>());
cudaStreamSynchronize(s);
ASSERT_EQUAL(true, thrust::is_sorted(keys.begin(), keys.end(), my_less<int>()));
cudaStreamDestroy(s);
}
DECLARE_UNITTEST(TestComparisonSortCudaStreams);
|