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third-party-mirror / eigen / 45874d87377474c35f39757c4299877efcc45bf7 / . / Eigen / src / Core / arch / AVX512 / PacketMath.h
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2016 Benoit Steiner (benoit.steiner.goog@gmail.com)
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef EIGEN_PACKET_MATH_AVX512_H
#define EIGEN_PACKET_MATH_AVX512_H
namespace Eigen {
namespace internal {
#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD
#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 8
#endif
#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS
#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 32
#endif
#ifdef EIGEN_VECTORIZE_FMA
#ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD
#define EIGEN_HAS_SINGLE_INSTRUCTION_MADD
#endif
#endif
typedef __m512 Packet16f;
typedef __m512i Packet16i;
typedef __m512d Packet8d;
template <>
struct is_arithmetic<__m512> {
enum { value = true };
};
template <>
struct is_arithmetic<__m512i> {
enum { value = true };
};
template <>
struct is_arithmetic<__m512d> {
enum { value = true };
};
template<> struct packet_traits<float> : default_packet_traits
{
typedef Packet16f type;
typedef Packet8f half;
enum {
Vectorizable = 1,
AlignedOnScalar = 1,
size = 16,
HasHalfPacket = 1,
HasBlend = 0,
HasSin = EIGEN_FAST_MATH,
HasCos = EIGEN_FAST_MATH,
#if EIGEN_GNUC_AT_LEAST(5, 3) || (!EIGEN_COMP_GNUC_STRICT)
#ifdef EIGEN_VECTORIZE_AVX512DQ
HasLog = 1,
#endif
HasExp = 1,
HasSqrt = EIGEN_FAST_MATH,
HasRsqrt = EIGEN_FAST_MATH,
#endif
HasDiv = 1
};
};
template<> struct packet_traits<double> : default_packet_traits
{
typedef Packet8d type;
typedef Packet4d half;
enum {
Vectorizable = 1,
AlignedOnScalar = 1,
size = 8,
HasHalfPacket = 1,
#if EIGEN_GNUC_AT_LEAST(5, 3) || (!EIGEN_COMP_GNUC_STRICT)
HasSqrt = EIGEN_FAST_MATH,
HasRsqrt = EIGEN_FAST_MATH,
#endif
HasDiv = 1
};
};
/* TODO Implement AVX512 for integers
template<> struct packet_traits<int> : default_packet_traits
{
typedef Packet16i type;
enum {
Vectorizable = 1,
AlignedOnScalar = 1,
size=8
};
};
*/
template <>
struct unpacket_traits<Packet16f> {
typedef float type;
typedef Packet8f half;
typedef Packet16i integer_packet;
typedef uint16_t mask_t;
enum { size = 16, alignment=Aligned64, vectorizable=true, masked_load_available=true, masked_store_available=true };
};
template <>
struct unpacket_traits<Packet8d> {
typedef double type;
typedef Packet4d half;
enum { size = 8, alignment=Aligned64, vectorizable=true, masked_load_available=false, masked_store_available=false };
};
template <>
struct unpacket_traits<Packet16i> {
typedef int type;
typedef Packet8i half;
enum { size = 16, alignment=Aligned64, vectorizable=false, masked_load_available=false, masked_store_available=false };
};
template <>
EIGEN_STRONG_INLINE Packet16f pset1<Packet16f>(const float& from) {
return _mm512_set1_ps(from);
}
template <>
EIGEN_STRONG_INLINE Packet8d pset1<Packet8d>(const double& from) {
return _mm512_set1_pd(from);
}
template <>
EIGEN_STRONG_INLINE Packet16i pset1<Packet16i>(const int& from) {
return _mm512_set1_epi32(from);
}
template <>
EIGEN_STRONG_INLINE Packet16f pset1frombits<Packet16f>(unsigned int from) {
return _mm512_castsi512_ps(_mm512_set1_epi32(from));
}
template <>
EIGEN_STRONG_INLINE Packet16f pload1<Packet16f>(const float* from) {
return _mm512_broadcastss_ps(_mm_load_ps1(from));
}
template <>
EIGEN_STRONG_INLINE Packet8d pload1<Packet8d>(const double* from) {
return _mm512_set1_pd(*from);
}
template <>
EIGEN_STRONG_INLINE Packet16f plset<Packet16f>(const float& a) {
return _mm512_add_ps(
_mm512_set1_ps(a),
_mm512_set_ps(15.0f, 14.0f, 13.0f, 12.0f, 11.0f, 10.0f, 9.0f, 8.0f, 7.0f, 6.0f, 5.0f,
4.0f, 3.0f, 2.0f, 1.0f, 0.0f));
}
template <>
EIGEN_STRONG_INLINE Packet8d plset<Packet8d>(const double& a) {
return _mm512_add_pd(_mm512_set1_pd(a),
_mm512_set_pd(7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0));
}
template <>
EIGEN_STRONG_INLINE Packet16f padd<Packet16f>(const Packet16f& a,
const Packet16f& b) {
return _mm512_add_ps(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet8d padd<Packet8d>(const Packet8d& a,
const Packet8d& b) {
return _mm512_add_pd(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16i padd<Packet16i>(const Packet16i& a,
const Packet16i& b) {
return _mm512_add_epi32(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16f psub<Packet16f>(const Packet16f& a,
const Packet16f& b) {
return _mm512_sub_ps(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet8d psub<Packet8d>(const Packet8d& a,
const Packet8d& b) {
return _mm512_sub_pd(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16i psub<Packet16i>(const Packet16i& a,
const Packet16i& b) {
return _mm512_sub_epi32(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16f pnegate(const Packet16f& a) {
return _mm512_sub_ps(_mm512_set1_ps(0.0), a);
}
template <>
EIGEN_STRONG_INLINE Packet8d pnegate(const Packet8d& a) {
return _mm512_sub_pd(_mm512_set1_pd(0.0), a);
}
template <>
EIGEN_STRONG_INLINE Packet16f pconj(const Packet16f& a) {
return a;
}
template <>
EIGEN_STRONG_INLINE Packet8d pconj(const Packet8d& a) {
return a;
}
template <>
EIGEN_STRONG_INLINE Packet16i pconj(const Packet16i& a) {
return a;
}
template <>
EIGEN_STRONG_INLINE Packet16f pmul<Packet16f>(const Packet16f& a,
const Packet16f& b) {
return _mm512_mul_ps(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet8d pmul<Packet8d>(const Packet8d& a,
const Packet8d& b) {
return _mm512_mul_pd(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16i pmul<Packet16i>(const Packet16i& a,
const Packet16i& b) {
return _mm512_mul_epi32(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16f pdiv<Packet16f>(const Packet16f& a,
const Packet16f& b) {
return _mm512_div_ps(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet8d pdiv<Packet8d>(const Packet8d& a,
const Packet8d& b) {
return _mm512_div_pd(a, b);
}
#ifdef EIGEN_VECTORIZE_FMA
template <>
EIGEN_STRONG_INLINE Packet16f pmadd(const Packet16f& a, const Packet16f& b,
const Packet16f& c) {
return _mm512_fmadd_ps(a, b, c);
}
template <>
EIGEN_STRONG_INLINE Packet8d pmadd(const Packet8d& a, const Packet8d& b,
const Packet8d& c) {
return _mm512_fmadd_pd(a, b, c);
}
#endif
template <>
EIGEN_DEVICE_FUNC inline Packet16f pselect(const Packet16f& mask,
const Packet16f& a,
const Packet16f& b) {
__mmask16 mask16 = _mm512_cmp_epi32_mask(
_mm512_castps_si512(mask), _mm512_setzero_epi32(), _MM_CMPINT_EQ);
return _mm512_mask_blend_ps(mask16, a, b);
}
template <>
EIGEN_DEVICE_FUNC inline Packet8d pselect(const Packet8d& mask,
const Packet8d& a,
const Packet8d& b) {
__mmask8 mask8 = _mm512_cmp_epi64_mask(_mm512_castpd_si512(mask),
_mm512_setzero_epi32(), _MM_CMPINT_EQ);
return _mm512_mask_blend_pd(mask8, a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16f pmin<Packet16f>(const Packet16f& a,
const Packet16f& b) {
// Arguments are reversed to match NaN propagation behavior of std::min.
return _mm512_min_ps(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet8d pmin<Packet8d>(const Packet8d& a,
const Packet8d& b) {
// Arguments are reversed to match NaN propagation behavior of std::min.
return _mm512_min_pd(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet16f pmax<Packet16f>(const Packet16f& a,
const Packet16f& b) {
// Arguments are reversed to match NaN propagation behavior of std::max.
return _mm512_max_ps(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet8d pmax<Packet8d>(const Packet8d& a,
const Packet8d& b) {
// Arguments are reversed to match NaN propagation behavior of std::max.
return _mm512_max_pd(b, a);
}
#ifdef EIGEN_VECTORIZE_AVX512DQ
template<int I_> EIGEN_STRONG_INLINE Packet8f extract256(Packet16f x) { return _mm512_extractf32x8_ps(x,I_); }
template<int I_> EIGEN_STRONG_INLINE Packet2d extract128(Packet8d x) { return _mm512_extractf64x2_pd(x,I_); }
EIGEN_STRONG_INLINE Packet16f cat256(Packet8f a, Packet8f b) { return _mm512_insertf32x8(_mm512_castps256_ps512(a),b,1); }
#else
// AVX512F does not define _mm512_extractf32x8_ps to extract _m256 from _m512
template<int I_> EIGEN_STRONG_INLINE Packet8f extract256(Packet16f x) {
return _mm256_castsi256_ps(_mm512_extracti64x4_epi64( _mm512_castps_si512(x),I_));
}
// AVX512F does not define _mm512_extractf64x2_pd to extract _m128 from _m512
template<int I_> EIGEN_STRONG_INLINE Packet2d extract128(Packet8d x) {
return _mm_castsi128_pd(_mm512_extracti32x4_epi32( _mm512_castpd_si512(x),I_));
}
EIGEN_STRONG_INLINE Packet16f cat256(Packet8f a, Packet8f b) {
return _mm512_castsi512_ps(_mm512_inserti64x4(_mm512_castsi256_si512(_mm256_castps_si256(a)),
_mm256_castps_si256(b),1));
}
#endif
template<> EIGEN_STRONG_INLINE Packet16f pcmp_le(const Packet16f& a, const Packet16f& b) {
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_LE_OQ);
return _mm512_castsi512_ps(
_mm512_mask_set1_epi32(_mm512_set1_epi32(0), mask, 0xffffffffu));
}
template<> EIGEN_STRONG_INLINE Packet16f pcmp_lt(const Packet16f& a, const Packet16f& b) {
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_LT_OQ);
return _mm512_castsi512_ps(
_mm512_mask_set1_epi32(_mm512_set1_epi32(0), mask, 0xffffffffu));
}
template<> EIGEN_STRONG_INLINE Packet16f pcmp_lt_or_nan(const Packet16f& a, const Packet16f& b) {
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_NGT_UQ);
return _mm512_castsi512_ps(
_mm512_mask_set1_epi32(_mm512_set1_epi32(0), mask, 0xffffffffu));
}
template<> EIGEN_STRONG_INLINE Packet16i pcmp_eq(const Packet16i& a, const Packet16i& b) {
__mmask16 mask = _mm512_cmp_epi32_mask(a, b, _CMP_EQ_OQ);
return _mm512_mask_set1_epi32(_mm512_set1_epi32(0), mask, 0xffffffffu);
}
template <>
EIGEN_STRONG_INLINE Packet16f pcmp_eq(const Packet16f& a, const Packet16f& b) {
__mmask16 mask = _mm512_cmp_ps_mask(a, b, _CMP_EQ_OQ);
return _mm512_castsi512_ps(
_mm512_mask_set1_epi32(_mm512_set1_epi32(0), mask, 0xffffffffu));
}
template <>
EIGEN_STRONG_INLINE Packet8d pcmp_eq(const Packet8d& a, const Packet8d& b) {
__mmask8 mask = _mm512_cmp_pd_mask(a, b, _CMP_EQ_OQ);
return _mm512_castsi512_pd(
_mm512_mask_set1_epi64(_mm512_set1_epi64(0), mask, 0xffffffffffffffffu));
}
template <>
EIGEN_STRONG_INLINE Packet16i ptrue<Packet16i>(const Packet16i& /*a*/) {
return _mm512_set1_epi32(0xffffffffu);
}
template <>
EIGEN_STRONG_INLINE Packet16f ptrue<Packet16f>(const Packet16f& a) {
return _mm512_castsi512_ps(ptrue<Packet16i>(_mm512_castps_si512(a)));
}
template <>
EIGEN_STRONG_INLINE Packet8d ptrue<Packet8d>(const Packet8d& a) {
return _mm512_castsi512_pd(ptrue<Packet16i>(_mm512_castpd_si512(a)));
}
template <>
EIGEN_STRONG_INLINE Packet16i pand<Packet16i>(const Packet16i& a,
const Packet16i& b) {
return _mm512_and_si512(a,b);
}
template <>
EIGEN_STRONG_INLINE Packet16f pand<Packet16f>(const Packet16f& a,
const Packet16f& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_and_ps(a, b);
#else
return _mm512_castsi512_ps(pand(_mm512_castps_si512(a),_mm512_castps_si512(b)));
#endif
}
template <>
EIGEN_STRONG_INLINE Packet8d pand<Packet8d>(const Packet8d& a,
const Packet8d& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_and_pd(a, b);
#else
Packet8d res = _mm512_undefined_pd();
Packet4d lane0_a = _mm512_extractf64x4_pd(a, 0);
Packet4d lane0_b = _mm512_extractf64x4_pd(b, 0);
res = _mm512_insertf64x4(res, _mm256_and_pd(lane0_a, lane0_b), 0);
Packet4d lane1_a = _mm512_extractf64x4_pd(a, 1);
Packet4d lane1_b = _mm512_extractf64x4_pd(b, 1);
res = _mm512_insertf64x4(res, _mm256_and_pd(lane1_a, lane1_b), 1);
return res;
#endif
}
template <>
EIGEN_STRONG_INLINE Packet16i por<Packet16i>(const Packet16i& a, const Packet16i& b) {
return _mm512_or_si512(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16f por<Packet16f>(const Packet16f& a, const Packet16f& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_or_ps(a, b);
#else
return _mm512_castsi512_ps(por(_mm512_castps_si512(a),_mm512_castps_si512(b)));
#endif
}
template <>
EIGEN_STRONG_INLINE Packet8d por<Packet8d>(const Packet8d& a,
const Packet8d& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_or_pd(a, b);
#else
return _mm512_castsi512_pd(por(_mm512_castpd_si512(a),_mm512_castpd_si512(b)));
#endif
}
template <>
EIGEN_STRONG_INLINE Packet16i pxor<Packet16i>(const Packet16i& a, const Packet16i& b) {
return _mm512_xor_si512(a, b);
}
template <>
EIGEN_STRONG_INLINE Packet16f pxor<Packet16f>(const Packet16f& a, const Packet16f& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_xor_ps(a, b);
#else
return _mm512_castsi512_ps(pxor(_mm512_castps_si512(a),_mm512_castps_si512(b)));
#endif
}
template <>
EIGEN_STRONG_INLINE Packet8d pxor<Packet8d>(const Packet8d& a, const Packet8d& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_xor_pd(a, b);
#else
return _mm512_castsi512_pd(pxor(_mm512_castpd_si512(a),_mm512_castpd_si512(b)));
#endif
}
template <>
EIGEN_STRONG_INLINE Packet16i pandnot<Packet16i>(const Packet16i& a, const Packet16i& b) {
return _mm512_andnot_si512(b, a);
}
template <>
EIGEN_STRONG_INLINE Packet16f pandnot<Packet16f>(const Packet16f& a, const Packet16f& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_andnot_ps(b, a);
#else
return _mm512_castsi512_ps(pandnot(_mm512_castps_si512(a),_mm512_castps_si512(b)));
#endif
}
template <>
EIGEN_STRONG_INLINE Packet8d pandnot<Packet8d>(const Packet8d& a,const Packet8d& b) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
return _mm512_andnot_pd(b, a);
#else
return _mm512_castsi512_pd(pandnot(_mm512_castpd_si512(a),_mm512_castpd_si512(b)));
#endif
}
template<int N> EIGEN_STRONG_INLINE Packet16i pshiftleft(Packet16i a) {
return _mm512_slli_epi32(a, N);
}
template <>
EIGEN_STRONG_INLINE Packet16f pload<Packet16f>(const float* from) {
EIGEN_DEBUG_ALIGNED_LOAD return _mm512_load_ps(from);
}
template <>
EIGEN_STRONG_INLINE Packet8d pload<Packet8d>(const double* from) {
EIGEN_DEBUG_ALIGNED_LOAD return _mm512_load_pd(from);
}
template <>
EIGEN_STRONG_INLINE Packet16i pload<Packet16i>(const int* from) {
EIGEN_DEBUG_ALIGNED_LOAD return _mm512_load_si512(
reinterpret_cast<const __m512i*>(from));
}
template <>
EIGEN_STRONG_INLINE Packet16f ploadu<Packet16f>(const float* from) {
EIGEN_DEBUG_UNALIGNED_LOAD return _mm512_loadu_ps(from);
}
template <>
EIGEN_STRONG_INLINE Packet8d ploadu<Packet8d>(const double* from) {
EIGEN_DEBUG_UNALIGNED_LOAD return _mm512_loadu_pd(from);
}
template <>
EIGEN_STRONG_INLINE Packet16i ploadu<Packet16i>(const int* from) {
EIGEN_DEBUG_UNALIGNED_LOAD return _mm512_loadu_si512(
reinterpret_cast<const __m512i*>(from));
}
template <>
EIGEN_STRONG_INLINE Packet16f ploadu<Packet16f>(const float* from, uint16_t umask) {
__mmask16 mask = static_cast<__mmask16>(umask);
EIGEN_DEBUG_UNALIGNED_LOAD return _mm512_maskz_loadu_ps(mask, from);
}
// Loads 8 floats from memory a returns the packet
// {a0, a0 a1, a1, a2, a2, a3, a3, a4, a4, a5, a5, a6, a6, a7, a7}
template <>
EIGEN_STRONG_INLINE Packet16f ploaddup<Packet16f>(const float* from) {
// an unaligned load is required here as there is no requirement
// on the alignment of input pointer 'from'
__m256i low_half = _mm256_loadu_si256(reinterpret_cast<const __m256i*>(from));
__m512 even_elements = _mm512_castsi512_ps(_mm512_cvtepu32_epi64(low_half));
__m512 pairs = _mm512_permute_ps(even_elements, _MM_SHUFFLE(2, 2, 0, 0));
return pairs;
}
#ifdef EIGEN_VECTORIZE_AVX512DQ
// FIXME: this does not look optimal, better load a Packet4d and shuffle...
// Loads 4 doubles from memory a returns the packet {a0, a0 a1, a1, a2, a2, a3,
// a3}
template <>
EIGEN_STRONG_INLINE Packet8d ploaddup<Packet8d>(const double* from) {
__m512d x = _mm512_setzero_pd();
x = _mm512_insertf64x2(x, _mm_loaddup_pd(&from[0]), 0);
x = _mm512_insertf64x2(x, _mm_loaddup_pd(&from[1]), 1);
x = _mm512_insertf64x2(x, _mm_loaddup_pd(&from[2]), 2);
x = _mm512_insertf64x2(x, _mm_loaddup_pd(&from[3]), 3);
return x;
}
#else
template <>
EIGEN_STRONG_INLINE Packet8d ploaddup<Packet8d>(const double* from) {
__m512d x = _mm512_setzero_pd();
x = _mm512_mask_broadcastsd_pd(x, 0x3<<0, _mm_load_sd(from+0));
x = _mm512_mask_broadcastsd_pd(x, 0x3<<2, _mm_load_sd(from+1));
x = _mm512_mask_broadcastsd_pd(x, 0x3<<4, _mm_load_sd(from+2));
x = _mm512_mask_broadcastsd_pd(x, 0x3<<6, _mm_load_sd(from+3));
return x;
}
#endif
// Loads 4 floats from memory a returns the packet
// {a0, a0 a0, a0, a1, a1, a1, a1, a2, a2, a2, a2, a3, a3, a3, a3}
template <>
EIGEN_STRONG_INLINE Packet16f ploadquad<Packet16f>(const float* from) {
Packet16f tmp = _mm512_castps128_ps512(ploadu<Packet4f>(from));
const Packet16i scatter_mask = _mm512_set_epi32(3,3,3,3, 2,2,2,2, 1,1,1,1, 0,0,0,0);
return _mm512_permutexvar_ps(scatter_mask, tmp);
}
// Loads 2 doubles from memory a returns the packet
// {a0, a0 a0, a0, a1, a1, a1, a1}
template <>
EIGEN_STRONG_INLINE Packet8d ploadquad<Packet8d>(const double* from) {
__m256d lane0 = _mm256_set1_pd(*from);
__m256d lane1 = _mm256_set1_pd(*(from+1));
__m512d tmp = _mm512_undefined_pd();
tmp = _mm512_insertf64x4(tmp, lane0, 0);
return _mm512_insertf64x4(tmp, lane1, 1);
}
template <>
EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet16f& from) {
EIGEN_DEBUG_ALIGNED_STORE _mm512_store_ps(to, from);
}
template <>
EIGEN_STRONG_INLINE void pstore<double>(double* to, const Packet8d& from) {
EIGEN_DEBUG_ALIGNED_STORE _mm512_store_pd(to, from);
}
template <>
EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet16i& from) {
EIGEN_DEBUG_ALIGNED_STORE _mm512_storeu_si512(reinterpret_cast<__m512i*>(to),
from);
}
template <>
EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet16f& from) {
EIGEN_DEBUG_UNALIGNED_STORE _mm512_storeu_ps(to, from);
}
template <>
EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet8d& from) {
EIGEN_DEBUG_UNALIGNED_STORE _mm512_storeu_pd(to, from);
}
template <>
EIGEN_STRONG_INLINE void pstoreu<int>(int* to, const Packet16i& from) {
EIGEN_DEBUG_UNALIGNED_STORE _mm512_storeu_si512(
reinterpret_cast<__m512i*>(to), from);
}
template <>
EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet16f& from, uint16_t umask) {
__mmask16 mask = static_cast<__mmask16>(umask);
EIGEN_DEBUG_UNALIGNED_STORE return _mm512_mask_storeu_ps(to, mask, from);
}
template <>
EIGEN_DEVICE_FUNC inline Packet16f pgather<float, Packet16f>(const float* from,
Index stride) {
Packet16i stride_vector = _mm512_set1_epi32(convert_index<int>(stride));
Packet16i stride_multiplier =
_mm512_set_epi32(15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0);
Packet16i indices = _mm512_mullo_epi32(stride_vector, stride_multiplier);
return _mm512_i32gather_ps(indices, from, 4);
}
template <>
EIGEN_DEVICE_FUNC inline Packet8d pgather<double, Packet8d>(const double* from,
Index stride) {
Packet8i stride_vector = _mm256_set1_epi32(convert_index<int>(stride));
Packet8i stride_multiplier = _mm256_set_epi32(7, 6, 5, 4, 3, 2, 1, 0);
Packet8i indices = _mm256_mullo_epi32(stride_vector, stride_multiplier);
return _mm512_i32gather_pd(indices, from, 8);
}
template <>
EIGEN_DEVICE_FUNC inline void pscatter<float, Packet16f>(float* to,
const Packet16f& from,
Index stride) {
Packet16i stride_vector = _mm512_set1_epi32(convert_index<int>(stride));
Packet16i stride_multiplier =
_mm512_set_epi32(15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0);
Packet16i indices = _mm512_mullo_epi32(stride_vector, stride_multiplier);
_mm512_i32scatter_ps(to, indices, from, 4);
}
template <>
EIGEN_DEVICE_FUNC inline void pscatter<double, Packet8d>(double* to,
const Packet8d& from,
Index stride) {
Packet8i stride_vector = _mm256_set1_epi32(convert_index<int>(stride));
Packet8i stride_multiplier = _mm256_set_epi32(7, 6, 5, 4, 3, 2, 1, 0);
Packet8i indices = _mm256_mullo_epi32(stride_vector, stride_multiplier);
_mm512_i32scatter_pd(to, indices, from, 8);
}
template <>
EIGEN_STRONG_INLINE void pstore1<Packet16f>(float* to, const float& a) {
Packet16f pa = pset1<Packet16f>(a);
pstore(to, pa);
}
template <>
EIGEN_STRONG_INLINE void pstore1<Packet8d>(double* to, const double& a) {
Packet8d pa = pset1<Packet8d>(a);
pstore(to, pa);
}
template <>
EIGEN_STRONG_INLINE void pstore1<Packet16i>(int* to, const int& a) {
Packet16i pa = pset1<Packet16i>(a);
pstore(to, pa);
}
template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) { _mm_prefetch((SsePrefetchPtrType)(addr), _MM_HINT_T0); }
template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { _mm_prefetch((SsePrefetchPtrType)(addr), _MM_HINT_T0); }
template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr) { _mm_prefetch((SsePrefetchPtrType)(addr), _MM_HINT_T0); }
template <>
EIGEN_STRONG_INLINE float pfirst<Packet16f>(const Packet16f& a) {
return _mm_cvtss_f32(_mm512_extractf32x4_ps(a, 0));
}
template <>
EIGEN_STRONG_INLINE double pfirst<Packet8d>(const Packet8d& a) {
return _mm_cvtsd_f64(_mm256_extractf128_pd(_mm512_extractf64x4_pd(a, 0), 0));
}
template <>
EIGEN_STRONG_INLINE int pfirst<Packet16i>(const Packet16i& a) {
return _mm_extract_epi32(_mm512_extracti32x4_epi32(a, 0), 0);
}
template<> EIGEN_STRONG_INLINE Packet16f preverse(const Packet16f& a)
{
return _mm512_permutexvar_ps(_mm512_set_epi32(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), a);
}
template<> EIGEN_STRONG_INLINE Packet8d preverse(const Packet8d& a)
{
return _mm512_permutexvar_pd(_mm512_set_epi32(0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7), a);
}
template<> EIGEN_STRONG_INLINE Packet16f pabs(const Packet16f& a)
{
// _mm512_abs_ps intrinsic not found, so hack around it
return _mm512_castsi512_ps(_mm512_and_si512(_mm512_castps_si512(a), _mm512_set1_epi32(0x7fffffff)));
}
template <>
EIGEN_STRONG_INLINE Packet8d pabs(const Packet8d& a) {
// _mm512_abs_ps intrinsic not found, so hack around it
return _mm512_castsi512_pd(_mm512_and_si512(_mm512_castpd_si512(a),
_mm512_set1_epi64(0x7fffffffffffffff)));
}
#ifdef EIGEN_VECTORIZE_AVX512DQ
// AVX512F does not define _mm512_extractf32x8_ps to extract _m256 from _m512
#define EIGEN_EXTRACT_8f_FROM_16f(INPUT, OUTPUT) \
__m256 OUTPUT##_0 = _mm512_extractf32x8_ps(INPUT, 0); \
__m256 OUTPUT##_1 = _mm512_extractf32x8_ps(INPUT, 1)
#else
#define EIGEN_EXTRACT_8f_FROM_16f(INPUT, OUTPUT) \
__m256 OUTPUT##_0 = _mm256_insertf128_ps( \
_mm256_castps128_ps256(_mm512_extractf32x4_ps(INPUT, 0)), \
_mm512_extractf32x4_ps(INPUT, 1), 1); \
__m256 OUTPUT##_1 = _mm256_insertf128_ps( \
_mm256_castps128_ps256(_mm512_extractf32x4_ps(INPUT, 2)), \
_mm512_extractf32x4_ps(INPUT, 3), 1);
#endif
#ifdef EIGEN_VECTORIZE_AVX512DQ
#define EIGEN_INSERT_8f_INTO_16f(OUTPUT, INPUTA, INPUTB) \
OUTPUT = _mm512_insertf32x8(_mm512_castps256_ps512(INPUTA), INPUTB, 1);
#else
#define EIGEN_INSERT_8f_INTO_16f(OUTPUT, INPUTA, INPUTB) \
OUTPUT = _mm512_undefined_ps(); \
OUTPUT = _mm512_insertf32x4(OUTPUT, _mm256_extractf128_ps(INPUTA, 0), 0); \
OUTPUT = _mm512_insertf32x4(OUTPUT, _mm256_extractf128_ps(INPUTA, 1), 1); \
OUTPUT = _mm512_insertf32x4(OUTPUT, _mm256_extractf128_ps(INPUTB, 0), 2); \
OUTPUT = _mm512_insertf32x4(OUTPUT, _mm256_extractf128_ps(INPUTB, 1), 3);
#endif
template<> EIGEN_STRONG_INLINE Packet16f preduxp<Packet16f>(const Packet16f*
vecs)
{
EIGEN_EXTRACT_8f_FROM_16f(vecs[0], vecs0);
EIGEN_EXTRACT_8f_FROM_16f(vecs[1], vecs1);
EIGEN_EXTRACT_8f_FROM_16f(vecs[2], vecs2);
EIGEN_EXTRACT_8f_FROM_16f(vecs[3], vecs3);
EIGEN_EXTRACT_8f_FROM_16f(vecs[4], vecs4);
EIGEN_EXTRACT_8f_FROM_16f(vecs[5], vecs5);
EIGEN_EXTRACT_8f_FROM_16f(vecs[6], vecs6);
EIGEN_EXTRACT_8f_FROM_16f(vecs[7], vecs7);
EIGEN_EXTRACT_8f_FROM_16f(vecs[8], vecs8);
EIGEN_EXTRACT_8f_FROM_16f(vecs[9], vecs9);
EIGEN_EXTRACT_8f_FROM_16f(vecs[10], vecs10);
EIGEN_EXTRACT_8f_FROM_16f(vecs[11], vecs11);
EIGEN_EXTRACT_8f_FROM_16f(vecs[12], vecs12);
EIGEN_EXTRACT_8f_FROM_16f(vecs[13], vecs13);
EIGEN_EXTRACT_8f_FROM_16f(vecs[14], vecs14);
EIGEN_EXTRACT_8f_FROM_16f(vecs[15], vecs15);
__m256 hsum1 = _mm256_hadd_ps(vecs0_0, vecs1_0);
__m256 hsum2 = _mm256_hadd_ps(vecs2_0, vecs3_0);
__m256 hsum3 = _mm256_hadd_ps(vecs4_0, vecs5_0);
__m256 hsum4 = _mm256_hadd_ps(vecs6_0, vecs7_0);
__m256 hsum5 = _mm256_hadd_ps(hsum1, hsum1);
__m256 hsum6 = _mm256_hadd_ps(hsum2, hsum2);
__m256 hsum7 = _mm256_hadd_ps(hsum3, hsum3);
__m256 hsum8 = _mm256_hadd_ps(hsum4, hsum4);
__m256 perm1 = _mm256_permute2f128_ps(hsum5, hsum5, 0x23);
__m256 perm2 = _mm256_permute2f128_ps(hsum6, hsum6, 0x23);
__m256 perm3 = _mm256_permute2f128_ps(hsum7, hsum7, 0x23);
__m256 perm4 = _mm256_permute2f128_ps(hsum8, hsum8, 0x23);
__m256 sum1 = _mm256_add_ps(perm1, hsum5);
__m256 sum2 = _mm256_add_ps(perm2, hsum6);
__m256 sum3 = _mm256_add_ps(perm3, hsum7);
__m256 sum4 = _mm256_add_ps(perm4, hsum8);
__m256 blend1 = _mm256_blend_ps(sum1, sum2, 0xcc);
__m256 blend2 = _mm256_blend_ps(sum3, sum4, 0xcc);
__m256 final = _mm256_blend_ps(blend1, blend2, 0xf0);
hsum1 = _mm256_hadd_ps(vecs0_1, vecs1_1);
hsum2 = _mm256_hadd_ps(vecs2_1, vecs3_1);
hsum3 = _mm256_hadd_ps(vecs4_1, vecs5_1);
hsum4 = _mm256_hadd_ps(vecs6_1, vecs7_1);
hsum5 = _mm256_hadd_ps(hsum1, hsum1);
hsum6 = _mm256_hadd_ps(hsum2, hsum2);
hsum7 = _mm256_hadd_ps(hsum3, hsum3);
hsum8 = _mm256_hadd_ps(hsum4, hsum4);
perm1 = _mm256_permute2f128_ps(hsum5, hsum5, 0x23);
perm2 = _mm256_permute2f128_ps(hsum6, hsum6, 0x23);
perm3 = _mm256_permute2f128_ps(hsum7, hsum7, 0x23);
perm4 = _mm256_permute2f128_ps(hsum8, hsum8, 0x23);
sum1 = _mm256_add_ps(perm1, hsum5);
sum2 = _mm256_add_ps(perm2, hsum6);
sum3 = _mm256_add_ps(perm3, hsum7);
sum4 = _mm256_add_ps(perm4, hsum8);
blend1 = _mm256_blend_ps(sum1, sum2, 0xcc);
blend2 = _mm256_blend_ps(sum3, sum4, 0xcc);
final = _mm256_add_ps(final, _mm256_blend_ps(blend1, blend2, 0xf0));
hsum1 = _mm256_hadd_ps(vecs8_0, vecs9_0);
hsum2 = _mm256_hadd_ps(vecs10_0, vecs11_0);
hsum3 = _mm256_hadd_ps(vecs12_0, vecs13_0);
hsum4 = _mm256_hadd_ps(vecs14_0, vecs15_0);
hsum5 = _mm256_hadd_ps(hsum1, hsum1);
hsum6 = _mm256_hadd_ps(hsum2, hsum2);
hsum7 = _mm256_hadd_ps(hsum3, hsum3);
hsum8 = _mm256_hadd_ps(hsum4, hsum4);
perm1 = _mm256_permute2f128_ps(hsum5, hsum5, 0x23);
perm2 = _mm256_permute2f128_ps(hsum6, hsum6, 0x23);
perm3 = _mm256_permute2f128_ps(hsum7, hsum7, 0x23);
perm4 = _mm256_permute2f128_ps(hsum8, hsum8, 0x23);
sum1 = _mm256_add_ps(perm1, hsum5);
sum2 = _mm256_add_ps(perm2, hsum6);
sum3 = _mm256_add_ps(perm3, hsum7);
sum4 = _mm256_add_ps(perm4, hsum8);
blend1 = _mm256_blend_ps(sum1, sum2, 0xcc);
blend2 = _mm256_blend_ps(sum3, sum4, 0xcc);
__m256 final_1 = _mm256_blend_ps(blend1, blend2, 0xf0);
hsum1 = _mm256_hadd_ps(vecs8_1, vecs9_1);
hsum2 = _mm256_hadd_ps(vecs10_1, vecs11_1);
hsum3 = _mm256_hadd_ps(vecs12_1, vecs13_1);
hsum4 = _mm256_hadd_ps(vecs14_1, vecs15_1);
hsum5 = _mm256_hadd_ps(hsum1, hsum1);
hsum6 = _mm256_hadd_ps(hsum2, hsum2);
hsum7 = _mm256_hadd_ps(hsum3, hsum3);
hsum8 = _mm256_hadd_ps(hsum4, hsum4);
perm1 = _mm256_permute2f128_ps(hsum5, hsum5, 0x23);
perm2 = _mm256_permute2f128_ps(hsum6, hsum6, 0x23);
perm3 = _mm256_permute2f128_ps(hsum7, hsum7, 0x23);
perm4 = _mm256_permute2f128_ps(hsum8, hsum8, 0x23);
sum1 = _mm256_add_ps(perm1, hsum5);
sum2 = _mm256_add_ps(perm2, hsum6);
sum3 = _mm256_add_ps(perm3, hsum7);
sum4 = _mm256_add_ps(perm4, hsum8);
blend1 = _mm256_blend_ps(sum1, sum2, 0xcc);
blend2 = _mm256_blend_ps(sum3, sum4, 0xcc);
final_1 = _mm256_add_ps(final_1, _mm256_blend_ps(blend1, blend2, 0xf0));
__m512 final_output;
EIGEN_INSERT_8f_INTO_16f(final_output, final, final_1);
return final_output;
}
template<> EIGEN_STRONG_INLINE Packet8d preduxp<Packet8d>(const Packet8d* vecs)
{
Packet4d vecs0_0 = _mm512_extractf64x4_pd(vecs[0], 0);
Packet4d vecs0_1 = _mm512_extractf64x4_pd(vecs[0], 1);
Packet4d vecs1_0 = _mm512_extractf64x4_pd(vecs[1], 0);
Packet4d vecs1_1 = _mm512_extractf64x4_pd(vecs[1], 1);
Packet4d vecs2_0 = _mm512_extractf64x4_pd(vecs[2], 0);
Packet4d vecs2_1 = _mm512_extractf64x4_pd(vecs[2], 1);
Packet4d vecs3_0 = _mm512_extractf64x4_pd(vecs[3], 0);
Packet4d vecs3_1 = _mm512_extractf64x4_pd(vecs[3], 1);
Packet4d vecs4_0 = _mm512_extractf64x4_pd(vecs[4], 0);
Packet4d vecs4_1 = _mm512_extractf64x4_pd(vecs[4], 1);
Packet4d vecs5_0 = _mm512_extractf64x4_pd(vecs[5], 0);
Packet4d vecs5_1 = _mm512_extractf64x4_pd(vecs[5], 1);
Packet4d vecs6_0 = _mm512_extractf64x4_pd(vecs[6], 0);
Packet4d vecs6_1 = _mm512_extractf64x4_pd(vecs[6], 1);
Packet4d vecs7_0 = _mm512_extractf64x4_pd(vecs[7], 0);
Packet4d vecs7_1 = _mm512_extractf64x4_pd(vecs[7], 1);
Packet4d tmp0, tmp1;
tmp0 = _mm256_hadd_pd(vecs0_0, vecs1_0);
tmp0 = _mm256_add_pd(tmp0, _mm256_permute2f128_pd(tmp0, tmp0, 1));
tmp1 = _mm256_hadd_pd(vecs2_0, vecs3_0);
tmp1 = _mm256_add_pd(tmp1, _mm256_permute2f128_pd(tmp1, tmp1, 1));
__m256d final_0 = _mm256_blend_pd(tmp0, tmp1, 0xC);
tmp0 = _mm256_hadd_pd(vecs0_1, vecs1_1);
tmp0 = _mm256_add_pd(tmp0, _mm256_permute2f128_pd(tmp0, tmp0, 1));
tmp1 = _mm256_hadd_pd(vecs2_1, vecs3_1);
tmp1 = _mm256_add_pd(tmp1, _mm256_permute2f128_pd(tmp1, tmp1, 1));
final_0 = _mm256_add_pd(final_0, _mm256_blend_pd(tmp0, tmp1, 0xC));
tmp0 = _mm256_hadd_pd(vecs4_0, vecs5_0);
tmp0 = _mm256_add_pd(tmp0, _mm256_permute2f128_pd(tmp0, tmp0, 1));
tmp1 = _mm256_hadd_pd(vecs6_0, vecs7_0);
tmp1 = _mm256_add_pd(tmp1, _mm256_permute2f128_pd(tmp1, tmp1, 1));
__m256d final_1 = _mm256_blend_pd(tmp0, tmp1, 0xC);
tmp0 = _mm256_hadd_pd(vecs4_1, vecs5_1);
tmp0 = _mm256_add_pd(tmp0, _mm256_permute2f128_pd(tmp0, tmp0, 1));
tmp1 = _mm256_hadd_pd(vecs6_1, vecs7_1);
tmp1 = _mm256_add_pd(tmp1, _mm256_permute2f128_pd(tmp1, tmp1, 1));
final_1 = _mm256_add_pd(final_1, _mm256_blend_pd(tmp0, tmp1, 0xC));
__m512d final_output = _mm512_castpd256_pd512(final_0);
return _mm512_insertf64x4(final_output, final_1, 1);
}
template <>
EIGEN_STRONG_INLINE float predux<Packet16f>(const Packet16f& a) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
__m256 lane0 = _mm512_extractf32x8_ps(a, 0);
__m256 lane1 = _mm512_extractf32x8_ps(a, 1);
Packet8f x = _mm256_add_ps(lane0, lane1);
return predux<Packet8f>(x);
#else
__m128 lane0 = _mm512_extractf32x4_ps(a, 0);
__m128 lane1 = _mm512_extractf32x4_ps(a, 1);
__m128 lane2 = _mm512_extractf32x4_ps(a, 2);
__m128 lane3 = _mm512_extractf32x4_ps(a, 3);
__m128 sum = _mm_add_ps(_mm_add_ps(lane0, lane1), _mm_add_ps(lane2, lane3));
sum = _mm_hadd_ps(sum, sum);
sum = _mm_hadd_ps(sum, _mm_permute_ps(sum, 1));
return _mm_cvtss_f32(sum);
#endif
}
template <>
EIGEN_STRONG_INLINE double predux<Packet8d>(const Packet8d& a) {
__m256d lane0 = _mm512_extractf64x4_pd(a, 0);
__m256d lane1 = _mm512_extractf64x4_pd(a, 1);
__m256d sum = _mm256_add_pd(lane0, lane1);
__m256d tmp0 = _mm256_hadd_pd(sum, _mm256_permute2f128_pd(sum, sum, 1));
return _mm_cvtsd_f64(_mm256_castpd256_pd128(_mm256_hadd_pd(tmp0, tmp0)));
}
template <>
EIGEN_STRONG_INLINE Packet8f predux_half_dowto4<Packet16f>(const Packet16f& a) {
#ifdef EIGEN_VECTORIZE_AVX512DQ
__m256 lane0 = _mm512_extractf32x8_ps(a, 0);
__m256 lane1 = _mm512_extractf32x8_ps(a, 1);
return _mm256_add_ps(lane0, lane1);
#else
__m128 lane0 = _mm512_extractf32x4_ps(a, 0);
__m128 lane1 = _mm512_extractf32x4_ps(a, 1);
__m128 lane2 = _mm512_extractf32x4_ps(a, 2);
__m128 lane3 = _mm512_extractf32x4_ps(a, 3);
__m128 sum0 = _mm_add_ps(lane0, lane2);
__m128 sum1 = _mm_add_ps(lane1, lane3);
return _mm256_insertf128_ps(_mm256_castps128_ps256(sum0), sum1, 1);
#endif
}
template <>
EIGEN_STRONG_INLINE Packet4d predux_half_dowto4<Packet8d>(const Packet8d& a) {
__m256d lane0 = _mm512_extractf64x4_pd(a, 0);
__m256d lane1 = _mm512_extractf64x4_pd(a, 1);
__m256d res = _mm256_add_pd(lane0, lane1);
return res;
}
template <>
EIGEN_STRONG_INLINE float predux_mul<Packet16f>(const Packet16f& a) {
//#ifdef EIGEN_VECTORIZE_AVX512DQ
#if 0
Packet8f lane0 = _mm512_extractf32x8_ps(a, 0);
Packet8f lane1 = _mm512_extractf32x8_ps(a, 1);
Packet8f res = pmul(lane0, lane1);
res = pmul(res, _mm256_permute2f128_ps(res, res, 1));
res = pmul(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 3, 2)));
return pfirst(pmul(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 0, 1))));
#else
__m128 lane0 = _mm512_extractf32x4_ps(a, 0);
__m128 lane1 = _mm512_extractf32x4_ps(a, 1);
__m128 lane2 = _mm512_extractf32x4_ps(a, 2);
__m128 lane3 = _mm512_extractf32x4_ps(a, 3);
__m128 res = pmul(pmul(lane0, lane1), pmul(lane2, lane3));
res = pmul(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 3, 2)));
return pfirst(pmul(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 0, 1))));
#endif
}
template <>
EIGEN_STRONG_INLINE double predux_mul<Packet8d>(const Packet8d& a) {
__m256d lane0 = _mm512_extractf64x4_pd(a, 0);
__m256d lane1 = _mm512_extractf64x4_pd(a, 1);
__m256d res = pmul(lane0, lane1);
res = pmul(res, _mm256_permute2f128_pd(res, res, 1));
return pfirst(pmul(res, _mm256_shuffle_pd(res, res, 1)));
}
template <>
EIGEN_STRONG_INLINE float predux_min<Packet16f>(const Packet16f& a) {
__m128 lane0 = _mm512_extractf32x4_ps(a, 0);
__m128 lane1 = _mm512_extractf32x4_ps(a, 1);
__m128 lane2 = _mm512_extractf32x4_ps(a, 2);
__m128 lane3 = _mm512_extractf32x4_ps(a, 3);
__m128 res = _mm_min_ps(_mm_min_ps(lane0, lane1), _mm_min_ps(lane2, lane3));
res = _mm_min_ps(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 3, 2)));
return pfirst(_mm_min_ps(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 0, 1))));
}
template <>
EIGEN_STRONG_INLINE double predux_min<Packet8d>(const Packet8d& a) {
__m256d lane0 = _mm512_extractf64x4_pd(a, 0);
__m256d lane1 = _mm512_extractf64x4_pd(a, 1);
__m256d res = _mm256_min_pd(lane0, lane1);
res = _mm256_min_pd(res, _mm256_permute2f128_pd(res, res, 1));
return pfirst(_mm256_min_pd(res, _mm256_shuffle_pd(res, res, 1)));
}
template <>
EIGEN_STRONG_INLINE float predux_max<Packet16f>(const Packet16f& a) {
__m128 lane0 = _mm512_extractf32x4_ps(a, 0);
__m128 lane1 = _mm512_extractf32x4_ps(a, 1);
__m128 lane2 = _mm512_extractf32x4_ps(a, 2);
__m128 lane3 = _mm512_extractf32x4_ps(a, 3);
__m128 res = _mm_max_ps(_mm_max_ps(lane0, lane1), _mm_max_ps(lane2, lane3));
res = _mm_max_ps(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 3, 2)));
return pfirst(_mm_max_ps(res, _mm_permute_ps(res, _MM_SHUFFLE(0, 0, 0, 1))));
}
template <>
EIGEN_STRONG_INLINE double predux_max<Packet8d>(const Packet8d& a) {
__m256d lane0 = _mm512_extractf64x4_pd(a, 0);
__m256d lane1 = _mm512_extractf64x4_pd(a, 1);
__m256d res = _mm256_max_pd(lane0, lane1);
res = _mm256_max_pd(res, _mm256_permute2f128_pd(res, res, 1));
return pfirst(_mm256_max_pd(res, _mm256_shuffle_pd(res, res, 1)));
}
template<> EIGEN_STRONG_INLINE bool predux_any(const Packet16f& x)
{
Packet16i xi = _mm512_castps_si512(x);
__mmask16 tmp = _mm512_test_epi32_mask(xi,xi);
return !_mm512_kortestz(tmp,tmp);
}
template <int Offset>
struct palign_impl<Offset, Packet16f> {
static EIGEN_STRONG_INLINE void run(Packet16f& first,
const Packet16f& second) {
if (Offset != 0) {
__m512i first_idx = _mm512_set_epi32(
Offset + 15, Offset + 14, Offset + 13, Offset + 12, Offset + 11,
Offset + 10, Offset + 9, Offset + 8, Offset + 7, Offset + 6,
Offset + 5, Offset + 4, Offset + 3, Offset + 2, Offset + 1, Offset);
__m512i second_idx =
_mm512_set_epi32(Offset - 1, Offset - 2, Offset - 3, Offset - 4,
Offset - 5, Offset - 6, Offset - 7, Offset - 8,
Offset - 9, Offset - 10, Offset - 11, Offset - 12,
Offset - 13, Offset - 14, Offset - 15, Offset - 16);
unsigned short mask = 0xFFFF;
mask <<= (16 - Offset);
first = _mm512_permutexvar_ps(first_idx, first);
Packet16f tmp = _mm512_permutexvar_ps(second_idx, second);
first = _mm512_mask_blend_ps(mask, first, tmp);
}
}
};
template <int Offset>
struct palign_impl<Offset, Packet8d> {
static EIGEN_STRONG_INLINE void run(Packet8d& first, const Packet8d& second) {
if (Offset != 0) {
__m512i first_idx = _mm512_set_epi32(
0, Offset + 7, 0, Offset + 6, 0, Offset + 5, 0, Offset + 4, 0,
Offset + 3, 0, Offset + 2, 0, Offset + 1, 0, Offset);
__m512i second_idx = _mm512_set_epi32(
0, Offset - 1, 0, Offset - 2, 0, Offset - 3, 0, Offset - 4, 0,
Offset - 5, 0, Offset - 6, 0, Offset - 7, 0, Offset - 8);
unsigned char mask = 0xFF;
mask <<= (8 - Offset);
first = _mm512_permutexvar_pd(first_idx, first);
Packet8d tmp = _mm512_permutexvar_pd(second_idx, second);
first = _mm512_mask_blend_pd(mask, first, tmp);
}
}
};
#define PACK_OUTPUT(OUTPUT, INPUT, INDEX, STRIDE) \
EIGEN_INSERT_8f_INTO_16f(OUTPUT[INDEX], INPUT[INDEX], INPUT[INDEX + STRIDE]);
EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet16f, 16>& kernel) {
__m512 T0 = _mm512_unpacklo_ps(kernel.packet[0], kernel.packet[1]);
__m512 T1 = _mm512_unpackhi_ps(kernel.packet[0], kernel.packet[1]);
__m512 T2 = _mm512_unpacklo_ps(kernel.packet[2], kernel.packet[3]);
__m512 T3 = _mm512_unpackhi_ps(kernel.packet[2], kernel.packet[3]);
__m512 T4 = _mm512_unpacklo_ps(kernel.packet[4], kernel.packet[5]);
__m512 T5 = _mm512_unpackhi_ps(kernel.packet[4], kernel.packet[5]);
__m512 T6 = _mm512_unpacklo_ps(kernel.packet[6], kernel.packet[7]);
__m512 T7 = _mm512_unpackhi_ps(kernel.packet[6], kernel.packet[7]);
__m512 T8 = _mm512_unpacklo_ps(kernel.packet[8], kernel.packet[9]);
__m512 T9 = _mm512_unpackhi_ps(kernel.packet[8], kernel.packet[9]);
__m512 T10 = _mm512_unpacklo_ps(kernel.packet[10], kernel.packet[11]);
__m512 T11 = _mm512_unpackhi_ps(kernel.packet[10], kernel.packet[11]);
__m512 T12 = _mm512_unpacklo_ps(kernel.packet[12], kernel.packet[13]);
__m512 T13 = _mm512_unpackhi_ps(kernel.packet[12], kernel.packet[13]);
__m512 T14 = _mm512_unpacklo_ps(kernel.packet[14], kernel.packet[15]);
__m512 T15 = _mm512_unpackhi_ps(kernel.packet[14], kernel.packet[15]);
__m512 S0 = _mm512_shuffle_ps(T0, T2, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S1 = _mm512_shuffle_ps(T0, T2, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S2 = _mm512_shuffle_ps(T1, T3, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S3 = _mm512_shuffle_ps(T1, T3, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S4 = _mm512_shuffle_ps(T4, T6, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S5 = _mm512_shuffle_ps(T4, T6, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S6 = _mm512_shuffle_ps(T5, T7, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S7 = _mm512_shuffle_ps(T5, T7, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S8 = _mm512_shuffle_ps(T8, T10, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S9 = _mm512_shuffle_ps(T8, T10, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S10 = _mm512_shuffle_ps(T9, T11, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S11 = _mm512_shuffle_ps(T9, T11, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S12 = _mm512_shuffle_ps(T12, T14, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S13 = _mm512_shuffle_ps(T12, T14, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S14 = _mm512_shuffle_ps(T13, T15, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S15 = _mm512_shuffle_ps(T13, T15, _MM_SHUFFLE(3, 2, 3, 2));
EIGEN_EXTRACT_8f_FROM_16f(S0, S0);
EIGEN_EXTRACT_8f_FROM_16f(S1, S1);
EIGEN_EXTRACT_8f_FROM_16f(S2, S2);
EIGEN_EXTRACT_8f_FROM_16f(S3, S3);
EIGEN_EXTRACT_8f_FROM_16f(S4, S4);
EIGEN_EXTRACT_8f_FROM_16f(S5, S5);
EIGEN_EXTRACT_8f_FROM_16f(S6, S6);
EIGEN_EXTRACT_8f_FROM_16f(S7, S7);
EIGEN_EXTRACT_8f_FROM_16f(S8, S8);
EIGEN_EXTRACT_8f_FROM_16f(S9, S9);
EIGEN_EXTRACT_8f_FROM_16f(S10, S10);
EIGEN_EXTRACT_8f_FROM_16f(S11, S11);
EIGEN_EXTRACT_8f_FROM_16f(S12, S12);
EIGEN_EXTRACT_8f_FROM_16f(S13, S13);
EIGEN_EXTRACT_8f_FROM_16f(S14, S14);
EIGEN_EXTRACT_8f_FROM_16f(S15, S15);
PacketBlock<Packet8f, 32> tmp;
tmp.packet[0] = _mm256_permute2f128_ps(S0_0, S4_0, 0x20);
tmp.packet[1] = _mm256_permute2f128_ps(S1_0, S5_0, 0x20);
tmp.packet[2] = _mm256_permute2f128_ps(S2_0, S6_0, 0x20);
tmp.packet[3] = _mm256_permute2f128_ps(S3_0, S7_0, 0x20);
tmp.packet[4] = _mm256_permute2f128_ps(S0_0, S4_0, 0x31);
tmp.packet[5] = _mm256_permute2f128_ps(S1_0, S5_0, 0x31);
tmp.packet[6] = _mm256_permute2f128_ps(S2_0, S6_0, 0x31);
tmp.packet[7] = _mm256_permute2f128_ps(S3_0, S7_0, 0x31);
tmp.packet[8] = _mm256_permute2f128_ps(S0_1, S4_1, 0x20);
tmp.packet[9] = _mm256_permute2f128_ps(S1_1, S5_1, 0x20);
tmp.packet[10] = _mm256_permute2f128_ps(S2_1, S6_1, 0x20);
tmp.packet[11] = _mm256_permute2f128_ps(S3_1, S7_1, 0x20);
tmp.packet[12] = _mm256_permute2f128_ps(S0_1, S4_1, 0x31);
tmp.packet[13] = _mm256_permute2f128_ps(S1_1, S5_1, 0x31);
tmp.packet[14] = _mm256_permute2f128_ps(S2_1, S6_1, 0x31);
tmp.packet[15] = _mm256_permute2f128_ps(S3_1, S7_1, 0x31);
// Second set of _m256 outputs
tmp.packet[16] = _mm256_permute2f128_ps(S8_0, S12_0, 0x20);
tmp.packet[17] = _mm256_permute2f128_ps(S9_0, S13_0, 0x20);
tmp.packet[18] = _mm256_permute2f128_ps(S10_0, S14_0, 0x20);
tmp.packet[19] = _mm256_permute2f128_ps(S11_0, S15_0, 0x20);
tmp.packet[20] = _mm256_permute2f128_ps(S8_0, S12_0, 0x31);
tmp.packet[21] = _mm256_permute2f128_ps(S9_0, S13_0, 0x31);
tmp.packet[22] = _mm256_permute2f128_ps(S10_0, S14_0, 0x31);
tmp.packet[23] = _mm256_permute2f128_ps(S11_0, S15_0, 0x31);
tmp.packet[24] = _mm256_permute2f128_ps(S8_1, S12_1, 0x20);
tmp.packet[25] = _mm256_permute2f128_ps(S9_1, S13_1, 0x20);
tmp.packet[26] = _mm256_permute2f128_ps(S10_1, S14_1, 0x20);
tmp.packet[27] = _mm256_permute2f128_ps(S11_1, S15_1, 0x20);
tmp.packet[28] = _mm256_permute2f128_ps(S8_1, S12_1, 0x31);
tmp.packet[29] = _mm256_permute2f128_ps(S9_1, S13_1, 0x31);
tmp.packet[30] = _mm256_permute2f128_ps(S10_1, S14_1, 0x31);
tmp.packet[31] = _mm256_permute2f128_ps(S11_1, S15_1, 0x31);
// Pack them into the output
PACK_OUTPUT(kernel.packet, tmp.packet, 0, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 1, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 2, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 3, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 4, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 5, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 6, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 7, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 8, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 9, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 10, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 11, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 12, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 13, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 14, 16);
PACK_OUTPUT(kernel.packet, tmp.packet, 15, 16);
}
#define PACK_OUTPUT_2(OUTPUT, INPUT, INDEX, STRIDE) \
EIGEN_INSERT_8f_INTO_16f(OUTPUT[INDEX], INPUT[2 * INDEX], \
INPUT[2 * INDEX + STRIDE]);
EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet16f, 4>& kernel) {
__m512 T0 = _mm512_unpacklo_ps(kernel.packet[0], kernel.packet[1]);
__m512 T1 = _mm512_unpackhi_ps(kernel.packet[0], kernel.packet[1]);
__m512 T2 = _mm512_unpacklo_ps(kernel.packet[2], kernel.packet[3]);
__m512 T3 = _mm512_unpackhi_ps(kernel.packet[2], kernel.packet[3]);
__m512 S0 = _mm512_shuffle_ps(T0, T2, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S1 = _mm512_shuffle_ps(T0, T2, _MM_SHUFFLE(3, 2, 3, 2));
__m512 S2 = _mm512_shuffle_ps(T1, T3, _MM_SHUFFLE(1, 0, 1, 0));
__m512 S3 = _mm512_shuffle_ps(T1, T3, _MM_SHUFFLE(3, 2, 3, 2));
EIGEN_EXTRACT_8f_FROM_16f(S0, S0);
EIGEN_EXTRACT_8f_FROM_16f(S1, S1);
EIGEN_EXTRACT_8f_FROM_16f(S2, S2);
EIGEN_EXTRACT_8f_FROM_16f(S3, S3);
PacketBlock<Packet8f, 8> tmp;
tmp.packet[0] = _mm256_permute2f128_ps(S0_0, S1_0, 0x20);
tmp.packet[1] = _mm256_permute2f128_ps(S2_0, S3_0, 0x20);
tmp.packet[2] = _mm256_permute2f128_ps(S0_0, S1_0, 0x31);
tmp.packet[3] = _mm256_permute2f128_ps(S2_0, S3_0, 0x31);
tmp.packet[4] = _mm256_permute2f128_ps(S0_1, S1_1, 0x20);
tmp.packet[5] = _mm256_permute2f128_ps(S2_1, S3_1, 0x20);
tmp.packet[6] = _mm256_permute2f128_ps(S0_1, S1_1, 0x31);
tmp.packet[7] = _mm256_permute2f128_ps(S2_1, S3_1, 0x31);
PACK_OUTPUT_2(kernel.packet, tmp.packet, 0, 1);
PACK_OUTPUT_2(kernel.packet, tmp.packet, 1, 1);
PACK_OUTPUT_2(kernel.packet, tmp.packet, 2, 1);
PACK_OUTPUT_2(kernel.packet, tmp.packet, 3, 1);
}
#define PACK_OUTPUT_SQ_D(OUTPUT, INPUT, INDEX, STRIDE) \
OUTPUT[INDEX] = _mm512_insertf64x4(OUTPUT[INDEX], INPUT[INDEX], 0); \
OUTPUT[INDEX] = _mm512_insertf64x4(OUTPUT[INDEX], INPUT[INDEX + STRIDE], 1);
#define PACK_OUTPUT_D(OUTPUT, INPUT, INDEX, STRIDE) \
OUTPUT[INDEX] = _mm512_insertf64x4(OUTPUT[INDEX], INPUT[(2 * INDEX)], 0); \
OUTPUT[INDEX] = \
_mm512_insertf64x4(OUTPUT[INDEX], INPUT[(2 * INDEX) + STRIDE], 1);
EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet8d, 4>& kernel) {
__m512d T0 = _mm512_shuffle_pd(kernel.packet[0], kernel.packet[1], 0);
__m512d T1 = _mm512_shuffle_pd(kernel.packet[0], kernel.packet[1], 0xff);
__m512d T2 = _mm512_shuffle_pd(kernel.packet[2], kernel.packet[3], 0);
__m512d T3 = _mm512_shuffle_pd(kernel.packet[2], kernel.packet[3], 0xff);
PacketBlock<Packet4d, 8> tmp;
tmp.packet[0] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 0),
_mm512_extractf64x4_pd(T2, 0), 0x20);
tmp.packet[1] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 0),
_mm512_extractf64x4_pd(T3, 0), 0x20);
tmp.packet[2] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 0),
_mm512_extractf64x4_pd(T2, 0), 0x31);
tmp.packet[3] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 0),
_mm512_extractf64x4_pd(T3, 0), 0x31);
tmp.packet[4] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 1),
_mm512_extractf64x4_pd(T2, 1), 0x20);
tmp.packet[5] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 1),
_mm512_extractf64x4_pd(T3, 1), 0x20);
tmp.packet[6] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 1),
_mm512_extractf64x4_pd(T2, 1), 0x31);
tmp.packet[7] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 1),
_mm512_extractf64x4_pd(T3, 1), 0x31);
PACK_OUTPUT_D(kernel.packet, tmp.packet, 0, 1);
PACK_OUTPUT_D(kernel.packet, tmp.packet, 1, 1);
PACK_OUTPUT_D(kernel.packet, tmp.packet, 2, 1);
PACK_OUTPUT_D(kernel.packet, tmp.packet, 3, 1);
}
EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet8d, 8>& kernel) {
__m512d T0 = _mm512_unpacklo_pd(kernel.packet[0], kernel.packet[1]);
__m512d T1 = _mm512_unpackhi_pd(kernel.packet[0], kernel.packet[1]);
__m512d T2 = _mm512_unpacklo_pd(kernel.packet[2], kernel.packet[3]);
__m512d T3 = _mm512_unpackhi_pd(kernel.packet[2], kernel.packet[3]);
__m512d T4 = _mm512_unpacklo_pd(kernel.packet[4], kernel.packet[5]);
__m512d T5 = _mm512_unpackhi_pd(kernel.packet[4], kernel.packet[5]);
__m512d T6 = _mm512_unpacklo_pd(kernel.packet[6], kernel.packet[7]);
__m512d T7 = _mm512_unpackhi_pd(kernel.packet[6], kernel.packet[7]);
PacketBlock<Packet4d, 16> tmp;
tmp.packet[0] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 0),
_mm512_extractf64x4_pd(T2, 0), 0x20);
tmp.packet[1] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 0),
_mm512_extractf64x4_pd(T3, 0), 0x20);
tmp.packet[2] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 0),
_mm512_extractf64x4_pd(T2, 0), 0x31);
tmp.packet[3] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 0),
_mm512_extractf64x4_pd(T3, 0), 0x31);
tmp.packet[4] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 1),
_mm512_extractf64x4_pd(T2, 1), 0x20);
tmp.packet[5] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 1),
_mm512_extractf64x4_pd(T3, 1), 0x20);
tmp.packet[6] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T0, 1),
_mm512_extractf64x4_pd(T2, 1), 0x31);
tmp.packet[7] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T1, 1),
_mm512_extractf64x4_pd(T3, 1), 0x31);
tmp.packet[8] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T4, 0),
_mm512_extractf64x4_pd(T6, 0), 0x20);
tmp.packet[9] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T5, 0),
_mm512_extractf64x4_pd(T7, 0), 0x20);
tmp.packet[10] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T4, 0),
_mm512_extractf64x4_pd(T6, 0), 0x31);
tmp.packet[11] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T5, 0),
_mm512_extractf64x4_pd(T7, 0), 0x31);
tmp.packet[12] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T4, 1),
_mm512_extractf64x4_pd(T6, 1), 0x20);
tmp.packet[13] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T5, 1),
_mm512_extractf64x4_pd(T7, 1), 0x20);
tmp.packet[14] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T4, 1),
_mm512_extractf64x4_pd(T6, 1), 0x31);
tmp.packet[15] = _mm256_permute2f128_pd(_mm512_extractf64x4_pd(T5, 1),
_mm512_extractf64x4_pd(T7, 1), 0x31);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 0, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 1, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 2, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 3, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 4, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 5, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 6, 8);
PACK_OUTPUT_SQ_D(kernel.packet, tmp.packet, 7, 8);
}
template <>
EIGEN_STRONG_INLINE Packet16f pblend(const Selector<16>& /*ifPacket*/,
const Packet16f& /*thenPacket*/,
const Packet16f& /*elsePacket*/) {
assert(false && "To be implemented");
return Packet16f();
}
template <>
EIGEN_STRONG_INLINE Packet8d pblend(const Selector<8>& ifPacket,
const Packet8d& thenPacket,
const Packet8d& elsePacket) {
__mmask8 m = (ifPacket.select[0] )
| (ifPacket.select[1]<<1)
| (ifPacket.select[2]<<2)
| (ifPacket.select[3]<<3)
| (ifPacket.select[4]<<4)
| (ifPacket.select[5]<<5)
| (ifPacket.select[6]<<6)
| (ifPacket.select[7]<<7);
return _mm512_mask_blend_pd(m, elsePacket, thenPacket);
}
template<> EIGEN_STRONG_INLINE Packet16f pinsertfirst(const Packet16f& a, float b)
{
return _mm512_mask_broadcastss_ps(a, (1), _mm_load_ss(&b));
}
template<> EIGEN_STRONG_INLINE Packet8d pinsertfirst(const Packet8d& a, double b)
{
return _mm512_mask_broadcastsd_pd(a, (1), _mm_load_sd(&b));
}
template<> EIGEN_STRONG_INLINE Packet16f pinsertlast(const Packet16f& a, float b)
{
return _mm512_mask_broadcastss_ps(a, (1<<15), _mm_load_ss(&b));
}
template<> EIGEN_STRONG_INLINE Packet8d pinsertlast(const Packet8d& a, double b)
{
return _mm512_mask_broadcastsd_pd(a, (1<<7), _mm_load_sd(&b));
}
template<> EIGEN_STRONG_INLINE Packet16i pcast<Packet16f, Packet16i>(const Packet16f& a) {
return _mm512_cvttps_epi32(a);
}
template<> EIGEN_STRONG_INLINE Packet16f pcast<Packet16i, Packet16f>(const Packet16i& a) {
return _mm512_cvtepi32_ps(a);
}
template<> EIGEN_STRONG_INLINE Packet16i preinterpret<Packet16i,Packet16f>(const Packet16f& a) {
return _mm512_castps_si512(a);
}
template<> EIGEN_STRONG_INLINE Packet16f preinterpret<Packet16f,Packet16i>(const Packet16i& a) {
return _mm512_castsi512_ps(a);
}
} // end namespace internal
} // end namespace Eigen
#endif // EIGEN_PACKET_MATH_AVX512_H