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async_sort.cu
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#include <thrust/detail/config.h>
// Disabled on MSVC && NVCC < 11.1 for GH issue #1098.
#if (THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC) && defined(__CUDACC__)
#if (__CUDACC_VER_MAJOR__ < 11) || (__CUDACC_VER_MAJOR__ == 11 && __CUDACC_VER_MINOR__ < 1)
#define THRUST_BUG_1098_ACTIVE
#endif // NVCC version check
#endif // MSVC + NVCC check
#if THRUST_CPP_DIALECT >= 2014 && !defined(THRUST_BUG_1098_ACTIVE)
#include <unittest/unittest.h>
#include <thrust/async/sort.h>
#include <thrust/host_vector.h>
#include <thrust/device_vector.h>
enum wait_policy
{
wait_for_futures
, do_not_wait_for_futures
};
template <typename T>
struct custom_greater
{
__host__ __device__
bool operator()(T rhs, T lhs) const
{
return lhs > rhs;
}
};
#define DEFINE_SORT_INVOKER(name, ...) \
template <typename T> \
struct name \
{ \
template < \
typename ForwardIt, typename Sentinel \
> \
__host__ \
static void sync( \
ForwardIt&& first, Sentinel&& last \
) \
{ \
::thrust::sort( \
THRUST_FWD(first), THRUST_FWD(last) \
); \
} \
\
template < \
typename ForwardIt, typename Sentinel \
> \
__host__ \
static auto async( \
ForwardIt&& first, Sentinel&& last \
) \
THRUST_RETURNS( \
::thrust::async::sort( \
__VA_ARGS__ \
THRUST_PP_COMMA_IF(THRUST_PP_ARITY(__VA_ARGS__)) \
THRUST_FWD(first), THRUST_FWD(last) \
) \
) \
}; \
/**/
DEFINE_SORT_INVOKER(
sort_invoker
);
DEFINE_SORT_INVOKER(
sort_invoker_device, thrust::device
);
#define DEFINE_SORT_OP_INVOKER(name, op, ...) \
template <typename T> \
struct name \
{ \
template < \
typename ForwardIt, typename Sentinel \
> \
__host__ \
static void sync( \
ForwardIt&& first, Sentinel&& last \
) \
{ \
::thrust::sort( \
THRUST_FWD(first), THRUST_FWD(last), op<T>{} \
); \
} \
\
template < \
typename ForwardIt, typename Sentinel \
> \
__host__ \
static auto async( \
ForwardIt&& first, Sentinel&& last \
) \
THRUST_RETURNS( \
::thrust::async::sort( \
__VA_ARGS__ \
THRUST_PP_COMMA_IF(THRUST_PP_ARITY(__VA_ARGS__)) \
THRUST_FWD(first), THRUST_FWD(last), op<T>{} \
) \
) \
}; \
/**/
DEFINE_SORT_OP_INVOKER(
sort_invoker_less, thrust::less
);
DEFINE_SORT_OP_INVOKER(
sort_invoker_less_device, thrust::less, thrust::device
);
DEFINE_SORT_OP_INVOKER(
sort_invoker_greater, thrust::greater
);
DEFINE_SORT_OP_INVOKER(
sort_invoker_greater_device, thrust::greater, thrust::device
);
DEFINE_SORT_OP_INVOKER(
sort_invoker_custom_greater, custom_greater
);
DEFINE_SORT_OP_INVOKER(
sort_invoker_custom_greater_device, custom_greater, thrust::device
);
#undef DEFINE_SORT_INVOKER
#undef DEFINE_SORT_OP_INVOKER
///////////////////////////////////////////////////////////////////////////////
template <template <typename> class SortInvoker, wait_policy WaitPolicy>
struct test_async_sort
{
template <typename T>
struct tester
{
__host__
void operator()(std::size_t n)
{
thrust::host_vector<T> h0_data(unittest::random_integers<T>(n));
thrust::device_vector<T> d0_data(h0_data);
ASSERT_EQUAL(h0_data, d0_data);
SortInvoker<T>::sync(
h0_data.begin(), h0_data.end()
);
auto f0 = SortInvoker<T>::async(
d0_data.begin(), d0_data.end()
);
THRUST_IF_CONSTEXPR(wait_for_futures == WaitPolicy)
{
f0.wait();
ASSERT_EQUAL(h0_data, d0_data);
}
}
};
};
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_device
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_device
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_less
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_less
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_less
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_less_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_less_device
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_less
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_less_device
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_less_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_greater
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_greater
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_greater
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_greater_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_greater_device
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_greater
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_greater_device
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_greater_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_custom_greater
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_custom_greater
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_custom_greater
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_custom_greater_no_wait
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_custom_greater_device
, wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_custom_greater
);
DECLARE_GENERIC_SIZED_UNITTEST_WITH_TYPES_AND_NAME(
THRUST_PP_EXPAND_ARGS(
test_async_sort<
sort_invoker_custom_greater_device
, do_not_wait_for_futures
>::tester
)
, NumericTypes
, test_async_sort_policy_custom_greater_no_wait
);
///////////////////////////////////////////////////////////////////////////////
// TODO: Async copy then sort.
// TODO: Test future return type.
#endif