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lammps/lib/kokkos/simd/unit_tests/include/TestSIMD_Construction.hpp
2024-09-13 12:14:49 -06:00

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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#ifndef KOKKOS_TEST_SIMD_CONSTRUCTION_HPP
#define KOKKOS_TEST_SIMD_CONSTRUCTION_HPP
#include <Kokkos_SIMD.hpp>
#include <SIMDTesting_Utilities.hpp>
template <typename Abi, typename DataType>
inline void host_test_simd_traits() {
using simd_type = Kokkos::Experimental::simd<DataType, Abi>;
static_assert(std::is_nothrow_default_constructible_v<simd_type>);
static_assert(std::is_nothrow_copy_assignable_v<simd_type>);
static_assert(std::is_nothrow_copy_constructible_v<simd_type>);
static_assert(std::is_nothrow_move_assignable_v<simd_type>);
static_assert(std::is_nothrow_move_constructible_v<simd_type>);
simd_type default_simd, result;
simd_type test_simd(KOKKOS_LAMBDA(std::size_t i) { return (i % 2 == 0); });
simd_type copy_simd(test_simd);
simd_type move_simd(std::move(copy_simd));
default_simd = std::move(move_simd);
result = default_simd;
EXPECT_TRUE(all_of(test_simd == result));
}
template <typename Abi, typename DataType>
inline void host_test_mask_traits() {
using mask_type = Kokkos::Experimental::simd_mask<DataType, Abi>;
static_assert(std::is_nothrow_default_constructible_v<mask_type>);
static_assert(std::is_nothrow_copy_assignable_v<mask_type>);
static_assert(std::is_nothrow_copy_constructible_v<mask_type>);
static_assert(std::is_nothrow_move_assignable_v<mask_type>);
static_assert(std::is_nothrow_move_constructible_v<mask_type>);
mask_type default_mask, result;
mask_type test_mask(KOKKOS_LAMBDA(std::size_t i) { return (i % 2 == 0); });
mask_type copy_mask(test_mask);
mask_type move_mask(std::move(copy_mask));
default_mask = std::move(move_mask);
result = default_mask;
EXPECT_EQ(test_mask, result);
}
template <typename Abi, typename DataType>
inline void host_check_construction() {
if constexpr (is_type_v<Kokkos::Experimental::simd<DataType, Abi>>) {
host_test_simd_traits<Abi, DataType>();
host_test_mask_traits<Abi, DataType>();
}
}
template <typename Abi, typename... DataTypes>
inline void host_check_construction_all_types(
Kokkos::Experimental::Impl::data_types<DataTypes...>) {
(host_check_construction<Abi, DataTypes>(), ...);
}
template <typename... Abis>
inline void host_check_construction_all_abis(
Kokkos::Experimental::Impl::abi_set<Abis...>) {
using DataTypes = Kokkos::Experimental::Impl::data_type_set;
(host_check_construction_all_types<Abis>(DataTypes()), ...);
}
template <typename Abi, typename DataType>
KOKKOS_INLINE_FUNCTION void device_test_simd_traits() {
using simd_type = Kokkos::Experimental::simd<DataType, Abi>;
simd_type default_simd, result;
simd_type test_simd(KOKKOS_LAMBDA(std::size_t i) { return (i % 2 == 0); });
simd_type copy_simd(test_simd);
simd_type move_simd(std::move(copy_simd));
default_simd = std::move(move_simd);
result = default_simd;
kokkos_checker checker;
checker.truth(all_of(test_simd == result));
}
template <typename Abi, typename DataType>
KOKKOS_INLINE_FUNCTION void device_test_mask_traits() {
using mask_type = Kokkos::Experimental::simd_mask<DataType, Abi>;
mask_type default_mask, result;
mask_type test_mask(KOKKOS_LAMBDA(std::size_t i) { return (i % 2 == 0); });
mask_type copy_mask(test_mask);
mask_type move_mask(std::move(copy_mask));
default_mask = std::move(move_mask);
result = default_mask;
kokkos_checker checker;
checker.truth(test_mask == result);
}
template <typename Abi, typename DataType>
KOKKOS_INLINE_FUNCTION void device_check_construction() {
if constexpr (is_type_v<Kokkos::Experimental::simd<DataType, Abi>>) {
device_test_simd_traits<Abi, DataType>();
device_test_mask_traits<Abi, DataType>();
}
}
template <typename Abi, typename... DataTypes>
KOKKOS_INLINE_FUNCTION void device_check_construction_all_types(
Kokkos::Experimental::Impl::data_types<DataTypes...>) {
(device_check_construction<Abi, DataTypes>(), ...);
}
template <typename... Abis>
KOKKOS_INLINE_FUNCTION void device_check_construction_all_abis(
Kokkos::Experimental::Impl::abi_set<Abis...>) {
using DataTypes = Kokkos::Experimental::Impl::data_type_set;
(device_check_construction_all_types<Abis>(DataTypes()), ...);
}
class simd_device_construction_functor {
public:
KOKKOS_INLINE_FUNCTION void operator()(int) const {
device_check_construction_all_abis(
Kokkos::Experimental::Impl::device_abi_set());
}
};
TEST(simd, host_construction) {
host_check_construction_all_abis(Kokkos::Experimental::Impl::host_abi_set());
}
TEST(simd, device_construction) {
Kokkos::parallel_for(Kokkos::RangePolicy<Kokkos::IndexType<int>>(0, 1),
simd_device_construction_functor());
}
#endif