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Kokkos_SIMD_NEON.hpp
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Kokkos_SIMD_NEON.hpp
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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_SIMD_NEON_HPP
#define KOKKOS_SIMD_NEON_HPP
#include <functional>
#include <type_traits>
#include <Kokkos_SIMD_Common.hpp>
#include <arm_neon.h>
#ifdef KOKKOS_SIMD_COMMON_MATH_HPP
#error \
"Kokkos_SIMD_NEON.hpp must be included before Kokkos_SIMD_Common_Math.hpp!"
#endif
namespace Kokkos {
namespace Experimental {
namespace simd_abi {
template <int N>
class neon_fixed_size {};
} // namespace simd_abi
namespace Impl {
template <class Derived, int Bits>
class neon_mask;
template <class Derived>
class neon_mask<Derived, 64> {
uint64x2_t m_value;
public:
class reference {
uint64x2_t& m_mask;
int m_lane;
public:
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference(uint64x2_t& mask_arg,
int lane_arg)
: m_mask(mask_arg), m_lane(lane_arg) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference
operator=(bool value) const {
// this switch statement is needed because the lane argument has to be a
// constant
switch (m_lane) {
case 0:
m_mask = vsetq_lane_u64(value ? 0xFFFFFFFFFFFFFFFFULL : 0, m_mask, 0);
break;
case 1:
m_mask = vsetq_lane_u64(value ? 0xFFFFFFFFFFFFFFFFULL : 0, m_mask, 1);
break;
}
return *this;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION operator bool() const {
switch (m_lane) {
case 0: return vgetq_lane_u64(m_mask, 0) != 0;
case 1: return vgetq_lane_u64(m_mask, 1) != 0;
}
return false;
}
};
using value_type = bool;
using abi_type = simd_abi::neon_fixed_size<2>;
using implementation_type = uint64x2_t;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION neon_mask() = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION explicit neon_mask(value_type value)
: m_value(vmovq_n_u64(value ? 0xFFFFFFFFFFFFFFFFULL : 0)) {}
template <class G,
std::enable_if_t<
std::is_invocable_r_v<value_type, G,
std::integral_constant<std::size_t, 0>>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit neon_mask(
G&& gen) noexcept {
m_value = vsetq_lane_u64(
(gen(std::integral_constant<std::size_t, 0>()) ? 0xFFFFFFFFFFFFFFFFULL
: 0),
m_value, 0);
m_value = vsetq_lane_u64(
(gen(std::integral_constant<std::size_t, 1>()) ? 0xFFFFFFFFFFFFFFFFULL
: 0),
m_value, 1);
}
template <class U>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION neon_mask(
neon_mask<U, 32> const& other) {
operator[](0) = bool(other[0]);
operator[](1) = bool(other[1]);
}
template <class U>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION neon_mask(neon_mask<U, 64> const& other)
: neon_mask(static_cast<uint64x2_t>(other)) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION static constexpr std::size_t size() {
return 2;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit neon_mask(
uint64x2_t const& value_in)
: m_value(value_in) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit operator uint64x2_t()
const {
return m_value;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference operator[](std::size_t i) {
return reference(m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION value_type
operator[](std::size_t i) const {
return static_cast<value_type>(
reference(const_cast<uint64x2_t&>(m_value), int(i)));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Derived
operator||(neon_mask const& other) const {
return Derived(vorrq_u64(m_value, other.m_value));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Derived
operator&&(neon_mask const& other) const {
return Derived(vandq_u64(m_value, other.m_value));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Derived operator!() const {
auto const true_value = static_cast<uint64x2_t>(neon_mask(true));
return Derived(veorq_u64(m_value, true_value));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION bool operator==(
neon_mask const& other) const {
uint64x2_t const elementwise_equality = vceqq_u64(m_value, other.m_value);
uint32x2_t const narrow_elementwise_equality =
vqmovn_u64(elementwise_equality);
uint64x1_t const overall_equality_neon =
vreinterpret_u64_u32(narrow_elementwise_equality);
uint64_t const overall_equality = vget_lane_u64(overall_equality_neon, 0);
return overall_equality == 0xFFFFFFFFFFFFFFFFULL;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION bool operator!=(
neon_mask const& other) const {
return !operator==(other);
}
};
template <class Derived>
class neon_mask<Derived, 32> {
uint32x2_t m_value;
public:
class reference {
uint32x2_t& m_mask;
int m_lane;
public:
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference(uint32x2_t& mask_arg,
int lane_arg)
: m_mask(mask_arg), m_lane(lane_arg) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference
operator=(bool value) const {
switch (m_lane) {
case 0:
m_mask = vset_lane_u32(value ? 0xFFFFFFFFU : 0, m_mask, 0);
break;
case 1:
m_mask = vset_lane_u32(value ? 0xFFFFFFFFU : 0, m_mask, 1);
break;
}
return *this;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION operator bool() const {
switch (m_lane) {
case 0: return vget_lane_u32(m_mask, 0) != 0;
case 1: return vget_lane_u32(m_mask, 1) != 0;
}
return false;
}
};
using value_type = bool;
using abi_type = simd_abi::neon_fixed_size<2>;
using implementation_type = uint32x2_t;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION neon_mask() = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION explicit neon_mask(value_type value)
: m_value(vmov_n_u32(value ? 0xFFFFFFFFU : 0)) {}
template <class G,
std::enable_if_t<
std::is_invocable_r_v<value_type, G,
std::integral_constant<std::size_t, 0>>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit neon_mask(
G&& gen) noexcept {
m_value = vset_lane_u32(
(gen(std::integral_constant<std::size_t, 0>()) ? 0xFFFFFFFFU : 0),
m_value, 0);
m_value = vset_lane_u32(
(gen(std::integral_constant<std::size_t, 1>()) ? 0xFFFFFFFFU : 0),
m_value, 1);
}
template <class U>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION neon_mask(neon_mask<U, 64> const& other)
: m_value(vqmovn_u64(static_cast<uint64x2_t>(other))) {}
template <class U>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION neon_mask(neon_mask<U, 32> const& other)
: m_value(static_cast<uint32x2_t>(other)) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION static constexpr std::size_t size() {
return 2;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit neon_mask(
uint32x2_t const& value_in)
: m_value(value_in) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit operator uint32x2_t()
const {
return m_value;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference operator[](std::size_t i) {
return reference(m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION value_type
operator[](std::size_t i) const {
return static_cast<value_type>(
reference(const_cast<uint32x2_t&>(m_value), int(i)));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Derived
operator||(neon_mask const& other) const {
return Derived(vorr_u32(m_value, other.m_value));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Derived
operator&&(neon_mask const& other) const {
return Derived(vand_u32(m_value, other.m_value));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Derived operator!() const {
auto const true_value = static_cast<uint32x2_t>(neon_mask(true));
return Derived(veor_u32(m_value, true_value));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION bool operator==(
neon_mask const& other) const {
uint32x2_t const elementwise_equality = vceq_u32(m_value, other.m_value);
uint64x1_t const overall_equality_neon =
vreinterpret_u64_u32(elementwise_equality);
uint64_t const overall_equality = vget_lane_u64(overall_equality_neon, 0);
return overall_equality == 0xFFFFFFFFFFFFFFFFULL;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION bool operator!=(
neon_mask const& other) const {
return !operator==(other);
}
};
} // namespace Impl
template <class T>
class simd_mask<T, simd_abi::neon_fixed_size<2>>
: public Impl::neon_mask<simd_mask<T, simd_abi::neon_fixed_size<2>>,
sizeof(T) * 8> {
using base_type = Impl::neon_mask<simd_mask<T, simd_abi::neon_fixed_size<2>>,
sizeof(T) * 8>;
public:
using implementation_type = typename base_type::implementation_type;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd_mask() = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION explicit simd_mask(bool value)
: base_type(value) {}
template <class U>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd_mask(
simd_mask<U, simd_abi::neon_fixed_size<2>> const& other)
: base_type(other) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd_mask(
implementation_type const& value)
: base_type(value) {}
template <class G,
std::enable_if_t<
std::is_invocable_r_v<typename base_type::value_type, G,
std::integral_constant<std::size_t, 0>>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd_mask(
G&& gen) noexcept
: base_type(gen) {}
};
template <>
class simd<double, simd_abi::neon_fixed_size<2>> {
float64x2_t m_value;
public:
using value_type = double;
using abi_type = simd_abi::neon_fixed_size<2>;
using mask_type = simd_mask<value_type, abi_type>;
class reference {
float64x2_t& m_value;
int m_lane;
public:
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference(float64x2_t& mask_arg,
int lane_arg)
: m_value(mask_arg), m_lane(lane_arg) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference
operator=(double value) const {
switch (m_lane) {
case 0: m_value = vsetq_lane_f64(value, m_value, 0); break;
case 1: m_value = vsetq_lane_f64(value, m_value, 1); break;
}
return *this;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION operator double() const {
switch (m_lane) {
case 0: return vgetq_lane_f64(m_value, 0);
case 1: return vgetq_lane_f64(m_value, 1);
}
return 0;
}
};
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd() = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(simd const&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(simd&&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd& operator=(simd const&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd& operator=(simd&&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION static constexpr std::size_t size() {
return 2;
}
template <class U, std::enable_if_t<std::is_convertible_v<U, value_type>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(U&& value)
: m_value(vmovq_n_f64(value_type(value))) {}
template <class G,
std::enable_if_t<
// basically, can you do { value_type r =
// gen(std::integral_constant<std::size_t, i>()); }
std::is_invocable_r_v<value_type, G,
std::integral_constant<std::size_t, 0>>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd(
G&& gen) noexcept {
m_value = vsetq_lane_f64(gen(std::integral_constant<std::size_t, 0>()),
m_value, 0);
m_value = vsetq_lane_f64(gen(std::integral_constant<std::size_t, 1>()),
m_value, 1);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd(
float64x2_t const& value_in)
: m_value(value_in) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference operator[](std::size_t i) {
return reference(m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION value_type
operator[](std::size_t i) const {
return reference(const_cast<simd*>(this)->m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_from(value_type const* ptr,
element_aligned_tag) {
m_value = vld1q_f64(ptr);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_from(value_type const* ptr,
vector_aligned_tag) {
m_value = vld1q_f64(ptr);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_to(
value_type* ptr, element_aligned_tag) const {
vst1q_f64(ptr, m_value);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_to(value_type* ptr,
vector_aligned_tag) const {
vst1q_f64(ptr, m_value);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit
operator float64x2_t() const {
return m_value;
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd operator-() const
noexcept {
return simd(vnegq_f64(m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator*(
simd const& lhs, simd const& rhs) noexcept {
return simd(vmulq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator/(
simd const& lhs, simd const& rhs) noexcept {
return simd(vdivq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator+(
simd const& lhs, simd const& rhs) noexcept {
return simd(vaddq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator-(
simd const& lhs, simd const& rhs) noexcept {
return simd(vsubq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator<(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcltq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator>(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcgtq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator<=(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcleq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator>=(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcgeq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator==(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vceqq_f64(static_cast<float64x2_t>(lhs),
static_cast<float64x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator!=(simd const& lhs, simd const& rhs) noexcept {
return !(operator==(lhs, rhs));
}
};
} // namespace Experimental
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
abs(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vabsq_f64(static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
floor(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vrndmq_f64(static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
ceil(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vrndpq_f64(static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
round(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vrndxq_f64(static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
trunc(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vrndq_f64(static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
copysign(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a,
Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& b) {
uint64x2_t const sign_mask = vreinterpretq_u64_f64(vmovq_n_f64(-0.0));
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vreinterpretq_f64_u64(vorrq_u64(
vreinterpretq_u64_f64(static_cast<float64x2_t>(abs(a))),
vandq_u64(sign_mask,
vreinterpretq_u64_f64(static_cast<float64x2_t>(b))))));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
sqrt(Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vsqrtq_f64(static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
fma(Experimental::simd<double,
Experimental::simd_abi::neon_fixed_size<2>> const& a,
Experimental::simd<double,
Experimental::simd_abi::neon_fixed_size<2>> const& b,
Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& c) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vfmaq_f64(static_cast<float64x2_t>(c), static_cast<float64x2_t>(b),
static_cast<float64x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
max(Experimental::simd<double,
Experimental::simd_abi::neon_fixed_size<2>> const& a,
Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& b) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vmaxq_f64(static_cast<float64x2_t>(a), static_cast<float64x2_t>(b)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>
min(Experimental::simd<double,
Experimental::simd_abi::neon_fixed_size<2>> const& a,
Experimental::simd<
double, Experimental::simd_abi::neon_fixed_size<2>> const& b) {
return Experimental::simd<double, Experimental::simd_abi::neon_fixed_size<2>>(
vminq_f64(static_cast<float64x2_t>(a), static_cast<float64x2_t>(b)));
}
namespace Experimental {
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
simd<double, simd_abi::neon_fixed_size<2>>
condition(simd_mask<double, simd_abi::neon_fixed_size<2>> const& a,
simd<double, simd_abi::neon_fixed_size<2>> const& b,
simd<double, simd_abi::neon_fixed_size<2>> const& c) {
return simd<double, simd_abi::neon_fixed_size<2>>(
vbslq_f64(static_cast<uint64x2_t>(a), static_cast<float64x2_t>(b),
static_cast<float64x2_t>(c)));
}
template <>
class simd<float, simd_abi::neon_fixed_size<2>> {
float32x2_t m_value;
public:
using value_type = float;
using abi_type = simd_abi::neon_fixed_size<2>;
using mask_type = simd_mask<value_type, abi_type>;
class reference {
float32x2_t& m_value;
int m_lane;
public:
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference(float32x2_t& value_arg,
int lane_arg)
: m_value(value_arg), m_lane(lane_arg) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference
operator=(float value) const {
switch (m_lane) {
case 0: m_value = vset_lane_f32(value, m_value, 0); break;
case 1: m_value = vset_lane_f32(value, m_value, 1); break;
}
return *this;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION operator float() const {
switch (m_lane) {
case 0: return vget_lane_f32(m_value, 0);
case 1: return vget_lane_f32(m_value, 1);
}
return 0;
}
};
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd() = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(simd const&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(simd&&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd& operator=(simd const&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd& operator=(simd&&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION static constexpr std::size_t size() {
return 2;
}
template <class U, std::enable_if_t<std::is_convertible_v<U, value_type>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(U&& value)
: m_value(vmov_n_f32(value_type(value))) {}
template <class G,
std::enable_if_t<
std::is_invocable_r_v<value_type, G,
std::integral_constant<std::size_t, 0>>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(G&& gen) {
m_value = vset_lane_f32(gen(std::integral_constant<std::size_t, 0>()),
m_value, 0);
m_value = vset_lane_f32(gen(std::integral_constant<std::size_t, 1>()),
m_value, 1);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd(
float32x2_t const& value_in)
: m_value(value_in) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference operator[](std::size_t i) {
return reference(m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION value_type
operator[](std::size_t i) const {
return reference(const_cast<simd*>(this)->m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_from(value_type const* ptr,
element_aligned_tag) {
m_value = vld1_f32(ptr);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_from(value_type const* ptr,
vector_aligned_tag) {
m_value = vld1_f32(ptr);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_to(
value_type* ptr, element_aligned_tag) const {
vst1_f32(ptr, m_value);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_to(value_type* ptr,
vector_aligned_tag) const {
vst1_f32(ptr, m_value);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit
operator float32x2_t() const {
return m_value;
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd operator-() const
noexcept {
return simd(vneg_f32(m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator*(
simd const& lhs, simd const& rhs) noexcept {
return simd(vmul_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator/(
simd const& lhs, simd const& rhs) noexcept {
return simd(vdiv_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator+(
simd const& lhs, simd const& rhs) noexcept {
return simd(vadd_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator-(
simd const& lhs, simd const& rhs) noexcept {
return simd(vsub_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator<(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vclt_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator>(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcgt_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator<=(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcle_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator>=(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vcge_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator==(simd const& lhs, simd const& rhs) noexcept {
return mask_type(vceq_f32(lhs.m_value, rhs.m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator!=(simd const& lhs, simd const& rhs) noexcept {
return !(lhs == rhs);
}
};
} // namespace Experimental
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>
abs(Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vabs_f32(static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>
floor(Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vrndm_f32(static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>
ceil(Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vrndp_f32(static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>
round(Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vrndx_f32(static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>
trunc(Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vrnd_f32(static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>>
copysign(
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
a,
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
b) {
uint32x2_t const sign_mask = vreinterpret_u32_f32(vmov_n_f32(-0.0));
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vreinterpret_f32_u32(vorr_u32(
vreinterpret_u32_f32(static_cast<float32x2_t>(abs(a))),
vand_u32(sign_mask,
vreinterpret_u32_f32(static_cast<float32x2_t>(b))))));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>
sqrt(Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vsqrt_f32(static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>>
fma(Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
a,
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
b,
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
c) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vfma_f32(static_cast<float32x2_t>(c), static_cast<float32x2_t>(b),
static_cast<float32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>>
max(Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
a,
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
b) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vmax_f32(static_cast<float32x2_t>(a), static_cast<float32x2_t>(b)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION Experimental::simd<
float, Experimental::simd_abi::neon_fixed_size<2>>
min(Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
a,
Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>> const&
b) {
return Experimental::simd<float, Experimental::simd_abi::neon_fixed_size<2>>(
vmin_f32(static_cast<float32x2_t>(a), static_cast<float32x2_t>(b)));
}
namespace Experimental {
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
simd<float, simd_abi::neon_fixed_size<2>>
condition(simd_mask<float, simd_abi::neon_fixed_size<2>> const& a,
simd<float, simd_abi::neon_fixed_size<2>> const& b,
simd<float, simd_abi::neon_fixed_size<2>> const& c) {
return simd<float, simd_abi::neon_fixed_size<2>>(
vbsl_f32(static_cast<uint32x2_t>(a), static_cast<float32x2_t>(b),
static_cast<float32x2_t>(c)));
}
template <>
class simd<std::int32_t, simd_abi::neon_fixed_size<2>> {
int32x2_t m_value;
public:
using value_type = std::int32_t;
using abi_type = simd_abi::neon_fixed_size<2>;
using mask_type = simd_mask<value_type, abi_type>;
class reference {
int32x2_t& m_value;
int m_lane;
public:
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference(int32x2_t& value_arg,
int lane_arg)
: m_value(value_arg), m_lane(lane_arg) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference
operator=(std::int32_t value) const {
switch (m_lane) {
case 0: m_value = vset_lane_s32(value, m_value, 0); break;
case 1: m_value = vset_lane_s32(value, m_value, 1); break;
}
return *this;
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION operator std::int32_t() const {
switch (m_lane) {
case 0: return vget_lane_s32(m_value, 0);
case 1: return vget_lane_s32(m_value, 1);
}
return 0;
}
};
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd() = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(simd const&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(simd&&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd& operator=(simd const&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd& operator=(simd&&) = default;
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION static constexpr std::size_t size() {
return 2;
}
template <class U, std::enable_if_t<std::is_convertible_v<U, value_type>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd(U&& value)
: m_value(vmov_n_s32(value_type(value))) {}
template <class G,
std::enable_if_t<
std::is_invocable_r_v<value_type, G,
std::integral_constant<std::size_t, 0>>,
bool> = false>
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd(
G&& gen) noexcept {
m_value = vset_lane_s32(gen(std::integral_constant<std::size_t, 0>()),
m_value, 0);
m_value = vset_lane_s32(gen(std::integral_constant<std::size_t, 1>()),
m_value, 1);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit simd(
int32x2_t const& value_in)
: m_value(value_in) {}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION explicit simd(
simd<std::uint64_t, abi_type> const& other);
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION reference operator[](std::size_t i) {
return reference(m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION value_type
operator[](std::size_t i) const {
return reference(const_cast<simd*>(this)->m_value, int(i));
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_from(value_type const* ptr,
element_aligned_tag) {
m_value = vld1_s32(ptr);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_from(value_type const* ptr,
vector_aligned_tag) {
m_value = vld1_s32(ptr);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_to(
value_type* ptr, element_aligned_tag) const {
vst1_s32(ptr, m_value);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION void copy_to(value_type* ptr,
vector_aligned_tag) const {
vst1_s32(ptr, m_value);
}
KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION constexpr explicit operator int32x2_t()
const {
return m_value;
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION simd operator-() const
noexcept {
return simd(vneg_s32(m_value));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator-(
simd const& lhs, simd const& rhs) noexcept {
return simd(
vsub_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator+(
simd const& lhs, simd const& rhs) noexcept {
return simd(
vadd_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator*(
simd const& lhs, simd const& rhs) noexcept {
return simd(
vmul_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator==(simd const& lhs, simd const& rhs) noexcept {
return mask_type(
vceq_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator>(simd const& lhs, simd const& rhs) noexcept {
return mask_type(
vcgt_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator<(simd const& lhs, simd const& rhs) noexcept {
return mask_type(
vclt_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator<=(simd const& lhs, simd const& rhs) noexcept {
return mask_type(
vcle_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator>=(simd const& lhs, simd const& rhs) noexcept {
return mask_type(
vcge_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend mask_type
operator!=(simd const& lhs, simd const& rhs) noexcept {
return !(lhs == rhs);
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator>>(
simd const& lhs, int rhs) noexcept {
return simd(vshl_s32(static_cast<int32x2_t>(lhs),
vneg_s32(vmov_n_s32(std::int32_t(rhs)))));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator>>(
simd const& lhs, simd const& rhs) noexcept {
return simd(vshl_s32(static_cast<int32x2_t>(lhs),
vneg_s32(static_cast<int32x2_t>(rhs))));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator<<(
simd const& lhs, int rhs) noexcept {
return simd(
vshl_s32(static_cast<int32x2_t>(lhs), vmov_n_s32(std::int32_t(rhs))));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION friend simd operator<<(
simd const& lhs, simd const& rhs) noexcept {
return simd(
vshl_s32(static_cast<int32x2_t>(lhs), static_cast<int32x2_t>(rhs)));
}
};
} // namespace Experimental
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<std::int32_t, Experimental::simd_abi::neon_fixed_size<2>>
abs(Experimental::simd<
std::int32_t, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return Experimental::simd<std::int32_t,
Experimental::simd_abi::neon_fixed_size<2>>(
vabs_s32(static_cast<int32x2_t>(a)));
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<std::int32_t, Experimental::simd_abi::neon_fixed_size<2>>
floor(Experimental::simd<
std::int32_t, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return a;
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<std::int32_t, Experimental::simd_abi::neon_fixed_size<2>>
ceil(Experimental::simd<
std::int32_t, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return a;
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<std::int32_t, Experimental::simd_abi::neon_fixed_size<2>>
round(Experimental::simd<
std::int32_t, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return a;
}
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
Experimental::simd<std::int32_t, Experimental::simd_abi::neon_fixed_size<2>>
trunc(Experimental::simd<
std::int32_t, Experimental::simd_abi::neon_fixed_size<2>> const& a) {
return a;
}
namespace Experimental {
[[nodiscard]] KOKKOS_IMPL_HOST_FORCEINLINE_FUNCTION
simd<std::int32_t, simd_abi::neon_fixed_size<2>>
condition(simd_mask<std::int32_t, simd_abi::neon_fixed_size<2>> const& a,
simd<std::int32_t, simd_abi::neon_fixed_size<2>> const& b,
simd<std::int32_t, simd_abi::neon_fixed_size<2>> const& c) {
return simd<std::int32_t, simd_abi::neon_fixed_size<2>>(
vbsl_s32(static_cast<uint32x2_t>(a), static_cast<int32x2_t>(b),
static_cast<int32x2_t>(c)));