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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_SHIFT_OPS_HPP
#define KOKKOS_TEST_SIMD_SHIFT_OPS_HPP
#include <Kokkos_SIMD.hpp>
#include <SIMDTesting_Utilities.hpp>
template <typename Abi, typename Loader, typename ShiftOp, typename DataType>
inline void host_check_shift_on_one_loader(ShiftOp shift_op,
DataType test_vals[],
DataType shift_by[], std::size_t n) {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
constexpr std::size_t width = simd_type::size();
Loader loader;
for (std::size_t i = 0; i < n; ++i) {
simd_type simd_vals;
bool const loaded_arg = loader.host_load(test_vals, width, simd_vals);
if (!loaded_arg) {
continue;
}
DataType expected_val[width];
for (std::size_t lane = 0; lane < width; ++lane) {
expected_val[lane] =
shift_op.on_host(simd_vals[lane], static_cast<int>(shift_by[i]));
}
simd_type expected_result;
expected_result.copy_from(expected_val,
Kokkos::Experimental::simd_flag_default);
simd_type const computed_result =
shift_op.on_host(simd_vals, static_cast<int>(shift_by[i]));
host_check_equality(expected_result, computed_result, width);
}
}
template <typename Abi, typename Loader, typename ShiftOp, typename DataType>
inline void host_check_shift_by_lanes_on_one_loader(
ShiftOp shift_op, DataType test_vals[],
Kokkos::Experimental::basic_simd<DataType, Abi>& shift_by) {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
constexpr std::size_t width = simd_type::size();
Loader loader;
simd_type simd_vals;
bool const loaded_arg = loader.host_load(test_vals, width, simd_vals);
ASSERT_TRUE(loaded_arg);
DataType expected_val[width];
for (std::size_t lane = 0; lane < width; ++lane) {
expected_val[lane] =
shift_op.on_host(simd_vals[lane], static_cast<int>(shift_by[lane]));
}
simd_type expected_result;
expected_result.copy_from(expected_val,
Kokkos::Experimental::simd_flag_default);
simd_type const computed_result = shift_op.on_host(simd_vals, shift_by);
host_check_equality(expected_result, computed_result, width);
}
template <typename Abi, typename ShiftOp, typename DataType>
inline void host_check_shift_op_all_loaders(ShiftOp shift_op,
DataType test_vals[],
DataType shift_by[],
std::size_t n) {
host_check_shift_on_one_loader<Abi, load_element_aligned>(shift_op, test_vals,
shift_by, n);
host_check_shift_on_one_loader<Abi, load_masked>(shift_op, test_vals,
shift_by, n);
host_check_shift_on_one_loader<Abi, load_as_scalars>(shift_op, test_vals,
shift_by, n);
host_check_shift_on_one_loader<Abi, load_vector_aligned>(shift_op, test_vals,
shift_by, n);
Kokkos::Experimental::basic_simd<DataType, Abi> shift_by_lanes;
shift_by_lanes.copy_from(shift_by, Kokkos::Experimental::simd_flag_default);
host_check_shift_by_lanes_on_one_loader<Abi, load_element_aligned>(
shift_op, test_vals, shift_by_lanes);
host_check_shift_by_lanes_on_one_loader<Abi, load_masked>(shift_op, test_vals,
shift_by_lanes);
host_check_shift_by_lanes_on_one_loader<Abi, load_as_scalars>(
shift_op, test_vals, shift_by_lanes);
host_check_shift_by_lanes_on_one_loader<Abi, load_vector_aligned>(
shift_op, test_vals, shift_by_lanes);
}
template <typename Abi, typename DataType>
inline void host_check_shift_ops() {
if constexpr (is_simd_avail_v<DataType, Abi>) {
if constexpr (std::is_integral_v<DataType>) {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
constexpr std::size_t width = simd_type::size();
constexpr std::size_t num_cases = 16;
constexpr size_t alignment =
Kokkos::Experimental::basic_simd<DataType, Abi>::size() *
sizeof(DataType);
DataType max = std::numeric_limits<DataType>::max();
alignas(alignment) DataType shift_by[num_cases] = {
0, 1, 3, width / 2, width / 2 + 1, width - 1, width, width + 1,
0, 1, 3, width / 2, width / 2 + 1, width - 1, width, width + 1};
alignas(alignment) DataType test_vals[width];
for (std::size_t i = 0; i < width; ++i) {
DataType inc = max / width;
test_vals[i] = i * inc + 1;
}
host_check_shift_op_all_loaders<Abi>(shift_right(), test_vals, shift_by,
num_cases);
host_check_shift_op_all_loaders<Abi>(shift_right_eq(), test_vals,
shift_by, num_cases);
host_check_shift_op_all_loaders<Abi>(shift_left(), test_vals, shift_by,
num_cases);
host_check_shift_op_all_loaders<Abi>(shift_left_eq(), test_vals, shift_by,
num_cases);
if constexpr (std::is_signed_v<DataType>) {
for (std::size_t i = 0; i < width; ++i) test_vals[i] *= -1;
host_check_shift_op_all_loaders<Abi>(shift_right(), test_vals, shift_by,
num_cases);
host_check_shift_op_all_loaders<Abi>(shift_right_eq(), test_vals,
shift_by, num_cases);
}
}
}
}
template <typename Abi, typename... DataTypes>
inline void host_check_shift_ops_all_types(
Kokkos::Experimental::Impl::data_types<DataTypes...>) {
(host_check_shift_ops<Abi, DataTypes>(), ...);
}
template <typename... Abis>
inline void host_check_shift_ops_all_abis(
Kokkos::Experimental::Impl::abi_set<Abis...>) {
using DataTypes = Kokkos::Experimental::Impl::data_type_set;
(host_check_shift_ops_all_types<Abis>(DataTypes()), ...);
}
template <typename Abi, typename Loader, typename ShiftOp, typename DataType>
KOKKOS_INLINE_FUNCTION void device_check_shift_on_one_loader(
ShiftOp shift_op, DataType test_vals[], DataType shift_by[],
std::size_t n) {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
constexpr std::size_t width = simd_type::size();
Loader loader;
for (std::size_t i = 0; i < n; ++i) {
simd_type simd_vals;
bool const loaded_arg = loader.device_load(test_vals, width, simd_vals);
if (!loaded_arg) {
continue;
}
simd_type expected_result(KOKKOS_LAMBDA(std::size_t lane) {
return shift_op.on_device(simd_vals[lane], static_cast<int>(shift_by[i]));
});
simd_type const computed_result =
shift_op.on_device(simd_vals, static_cast<int>(shift_by[i]));
device_check_equality(expected_result, computed_result, width);
}
}
template <typename Abi, typename Loader, typename ShiftOp, typename DataType>
KOKKOS_INLINE_FUNCTION void device_check_shift_by_lanes_on_one_loader(
ShiftOp shift_op, DataType test_vals[],
Kokkos::Experimental::basic_simd<DataType, Abi>& shift_by) {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
constexpr std::size_t width = simd_type::size();
Loader loader;
simd_type simd_vals;
loader.device_load(test_vals, width, simd_vals);
simd_type expected_result(KOKKOS_LAMBDA(std::size_t lane) {
return shift_op.on_device(simd_vals[lane],
static_cast<int>(shift_by[lane]));
});
simd_type const computed_result = shift_op.on_device(simd_vals, shift_by);
device_check_equality(expected_result, computed_result, width);
}
template <typename Abi, typename ShiftOp, typename DataType>
KOKKOS_INLINE_FUNCTION void device_check_shift_op_all_loaders(
ShiftOp shift_op, DataType test_vals[], DataType shift_by[],
std::size_t n) {
device_check_shift_on_one_loader<Abi, load_element_aligned>(
shift_op, test_vals, shift_by, n);
device_check_shift_on_one_loader<Abi, load_masked>(shift_op, test_vals,
shift_by, n);
device_check_shift_on_one_loader<Abi, load_as_scalars>(shift_op, test_vals,
shift_by, n);
device_check_shift_on_one_loader<Abi, load_vector_aligned>(
shift_op, test_vals, shift_by, n);
Kokkos::Experimental::basic_simd<DataType, Abi> shift_by_lanes;
shift_by_lanes.copy_from(shift_by, Kokkos::Experimental::simd_flag_default);
device_check_shift_by_lanes_on_one_loader<Abi, load_element_aligned>(
shift_op, test_vals, shift_by_lanes);
device_check_shift_by_lanes_on_one_loader<Abi, load_masked>(
shift_op, test_vals, shift_by_lanes);
device_check_shift_by_lanes_on_one_loader<Abi, load_as_scalars>(
shift_op, test_vals, shift_by_lanes);
device_check_shift_by_lanes_on_one_loader<Abi, load_vector_aligned>(
shift_op, test_vals, shift_by_lanes);
}
template <typename Abi, typename DataType>
KOKKOS_INLINE_FUNCTION void device_check_shift_ops() {
if constexpr (is_type_v<Kokkos::Experimental::basic_simd<DataType, Abi>>) {
if constexpr (std::is_integral_v<DataType>) {
using simd_type = Kokkos::Experimental::basic_simd<DataType, Abi>;
constexpr std::size_t width = simd_type::size();
constexpr std::size_t num_cases = 16;
DataType max = Kokkos::reduction_identity<DataType>::max();
DataType shift_by[num_cases] = {
0, 1, 3, width / 2, width / 2 + 1, width - 1, width, width + 1,
0, 1, 3, width / 2, width / 2 + 1, width - 1, width, width + 1};
DataType test_vals[width];
for (std::size_t i = 0; i < width; ++i) {
DataType inc = max / width;
test_vals[i] = i * inc + 1;
}
device_check_shift_op_all_loaders<Abi>(shift_right(), test_vals, shift_by,
num_cases);
device_check_shift_op_all_loaders<Abi>(shift_right_eq(), test_vals,
shift_by, num_cases);
device_check_shift_op_all_loaders<Abi>(shift_left(), test_vals, shift_by,
num_cases);
device_check_shift_op_all_loaders<Abi>(shift_left_eq(), test_vals,
shift_by, num_cases);
if constexpr (std::is_signed_v<DataType>) {
for (std::size_t i = 0; i < width; ++i) test_vals[i] *= -1;
device_check_shift_op_all_loaders<Abi>(shift_right(), test_vals,
shift_by, num_cases);
device_check_shift_op_all_loaders<Abi>(shift_right_eq(), test_vals,
shift_by, num_cases);
}
}
}
}
template <typename Abi, typename... DataTypes>
KOKKOS_INLINE_FUNCTION void device_check_shift_ops_all_types(
Kokkos::Experimental::Impl::data_types<DataTypes...>) {
(device_check_shift_ops<Abi, DataTypes>(), ...);
}
template <typename... Abis>
KOKKOS_INLINE_FUNCTION void device_check_shift_ops_all_abis(
Kokkos::Experimental::Impl::abi_set<Abis...>) {
using DataTypes = Kokkos::Experimental::Impl::data_type_set;
(device_check_shift_ops_all_types<Abis>(DataTypes()), ...);
}
class simd_device_shift_ops_functor {
public:
KOKKOS_INLINE_FUNCTION void operator()(int) const {
device_check_shift_ops_all_abis(
Kokkos::Experimental::Impl::device_abi_set());
}
};
TEST(simd, host_shift_ops) {
host_check_shift_ops_all_abis(Kokkos::Experimental::Impl::host_abi_set());
}
TEST(simd, device_shift_ops) {
Kokkos::parallel_for(Kokkos::RangePolicy<Kokkos::IndexType<int>>(0, 1),
simd_device_shift_ops_functor());
}
#endif
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