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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project
#ifndef KOKKOS_TEST_SIMD_LOADSTORE_HPP
#define KOKKOS_TEST_SIMD_LOADSTORE_HPP
#include <Kokkos_Macros.hpp>
#ifdef KOKKOS_ENABLE_EXPERIMENTAL_CXX20_MODULES
import kokkos.simd;
import kokkos.simd_impl;
#else
#include <Kokkos_SIMD.hpp>
#endif
#include <SIMDTesting_Utilities.hpp>
template <typename SimdType, typename... Args>
inline void host_test_simd_load(SimdType const& init, SimdType const& expected,
Args... args) {
using data_type = typename SimdType::value_type;
using abi_type = typename SimdType::abi_type;
constexpr size_t alignment =
SimdType::size() * sizeof(typename SimdType::value_type);
alignas(alignment) typename SimdType::value_type arr[SimdType::size()] = {0};
simd_unchecked_store(init, arr, Kokkos::Experimental::simd_flag_default);
SimdType result;
if constexpr (sizeof...(args) > 1) {
result = simd_partial_load(arr, args...);
} else {
if constexpr (std::is_same_v<Kokkos::Experimental::simd_abi::Impl::
host_fixed_native<data_type>,
abi_type>) {
result = Kokkos::Experimental::simd_unchecked_load(arr, args...);
} else {
result =
Kokkos::Experimental::simd_unchecked_load<SimdType>(arr, args...);
}
}
auto mask = (result == expected);
for (size_t i = 0; i < SimdType::size(); ++i) {
EXPECT_TRUE(mask[i]);
}
}
template <typename SimdType, typename... Args>
inline void host_test_simd_store(SimdType const& init, SimdType const& expected,
Args... args) {
constexpr size_t alignment =
SimdType::size() * sizeof(typename SimdType::value_type);
alignas(alignment) typename SimdType::value_type arr[SimdType::size()] = {0};
if constexpr (sizeof...(args) > 1) {
simd_partial_store(init, arr, args...);
} else {
simd_unchecked_store(init, arr, args...);
}
for (size_t i = 0; i < SimdType::size(); ++i) {
EXPECT_EQ(arr[i], expected[i]);
}
}
template <typename Abi, typename DataType>
inline void host_test_simd_loadstore() {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
using mask_type = typename simd_type::mask_type;
mask_type mask(KOKKOS_LAMBDA(std::size_t i) { return i % 2 == 0; });
simd_type expected(KOKKOS_LAMBDA(std::size_t i) { return (i + 1) * 12; });
simd_type expected_masked(KOKKOS_LAMBDA(std::size_t i) {
return (i % 2 == 0) ? (i + 1) * 12 : DataType();
});
host_test_simd_store(expected, expected,
Kokkos::Experimental::simd_flag_default);
host_test_simd_store(expected, expected,
Kokkos::Experimental::simd_flag_aligned);
host_test_simd_store(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_default);
host_test_simd_store(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_aligned);
host_test_simd_load(expected, expected,
Kokkos::Experimental::simd_flag_default);
host_test_simd_load(expected, expected,
Kokkos::Experimental::simd_flag_aligned);
host_test_simd_load(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_default);
host_test_simd_load(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_aligned);
}
template <typename Abi, typename DataType>
inline void host_check_loadstore() {
if constexpr (is_simd_avail_v<DataType, Abi>) {
host_test_simd_loadstore<Abi, DataType>();
}
}
template <typename Abi, typename... DataTypes>
inline void host_check_loadstore_all_types(
Kokkos::Experimental::Impl::data_types<DataTypes...>) {
(host_check_loadstore<Abi, DataTypes>(), ...);
}
template <typename... Abis>
inline void host_check_loadstore_all_abis(
Kokkos::Experimental::Impl::abi_set<Abis...>) {
using DataTypes = Kokkos::Experimental::Impl::data_type_set;
(host_check_loadstore_all_types<Abis>(DataTypes()), ...);
}
template <typename SimdType, typename... Args>
KOKKOS_INLINE_FUNCTION void device_test_simd_load(SimdType const& init,
SimdType const& expected,
Args... args) {
using data_type = typename SimdType::value_type;
using abi_type = typename SimdType::abi_type;
constexpr size_t alignment =
SimdType::size() * sizeof(typename SimdType::value_type);
alignas(alignment) typename SimdType::value_type arr[SimdType::size()] = {0};
simd_unchecked_store(init, arr, Kokkos::Experimental::simd_flag_default);
SimdType result;
if constexpr (sizeof...(args) > 1) {
result = simd_partial_load(arr, args...);
} else {
if constexpr (std::is_same_v<Kokkos::Experimental::simd_abi::Impl::
host_fixed_native<data_type>,
abi_type>) {
result = Kokkos::Experimental::simd_unchecked_load(arr, args...);
} else {
result =
Kokkos::Experimental::simd_unchecked_load<SimdType>(arr, args...);
}
}
device_check_equality(result, expected, SimdType::size());
}
template <typename SimdType, typename... Args>
KOKKOS_INLINE_FUNCTION void device_test_simd_store(SimdType const& init,
SimdType const& expected,
Args... args) {
constexpr size_t alignment =
SimdType::size() * sizeof(typename SimdType::value_type);
alignas(alignment) typename SimdType::value_type arr[SimdType::size()] = {0};
if constexpr (sizeof...(args) > 1) {
simd_partial_store(init, arr, args...);
} else {
simd_unchecked_store(init, arr, args...);
}
kokkos_checker checker;
for (size_t i = 0; i < SimdType::size(); ++i) {
checker.equality(arr[i], expected[i]);
}
}
template <typename Abi, typename DataType>
KOKKOS_INLINE_FUNCTION void device_test_simd_loadstore() {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
using mask_type = typename simd_type::mask_type;
mask_type mask([=](std::size_t i) { return i % 2 == 0; });
simd_type expected([=](std::size_t i) { return (i + 1) * 12; });
simd_type expected_masked(
[=](std::size_t i) { return (mask[i]) ? (i + 1) * 12 : DataType(); });
device_test_simd_store(expected, expected,
Kokkos::Experimental::simd_flag_default);
device_test_simd_store(expected, expected,
Kokkos::Experimental::simd_flag_aligned);
device_test_simd_store(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_default);
device_test_simd_store(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_aligned);
device_test_simd_load(expected, expected,
Kokkos::Experimental::simd_flag_default);
device_test_simd_load(expected, expected,
Kokkos::Experimental::simd_flag_aligned);
device_test_simd_load(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_default);
device_test_simd_load(expected, expected_masked, mask,
Kokkos::Experimental::simd_flag_aligned);
}
template <typename Abi, typename DataType>
KOKKOS_INLINE_FUNCTION void device_check_loadstore() {
if constexpr (is_simd_avail_v<DataType, Abi>) {
device_test_simd_loadstore<Abi, DataType>();
}
}
template <typename Abi, typename... DataTypes>
KOKKOS_INLINE_FUNCTION void device_check_loadstore_all_types(
Kokkos::Experimental::Impl::data_types<DataTypes...>) {
(device_check_loadstore<Abi, DataTypes>(), ...);
}
template <typename... Abis>
KOKKOS_INLINE_FUNCTION void device_check_loadstore_all_abis(
Kokkos::Experimental::Impl::abi_set<Abis...>) {
using DataTypes = Kokkos::Experimental::Impl::data_type_set;
(device_check_loadstore_all_types<Abis>(DataTypes()), ...);
}
class simd_device_loadstore_functor {
public:
KOKKOS_INLINE_FUNCTION void operator()(int) const {
device_check_loadstore_all_abis(
Kokkos::Experimental::Impl::device_abi_set());
}
};
TEST(simd, host_loadstore) {
host_check_loadstore_all_abis(Kokkos::Experimental::Impl::host_abi_set());
}
TEST(simd, device_loadstore) {
Kokkos::parallel_for(Kokkos::RangePolicy<Kokkos::IndexType<int>>(0, 1),
simd_device_loadstore_functor());
}
#endif
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