diff options
Diffstat (limited to 'runtimes/nn/depend/external/eigen/Eigen/src/Core/arch/AVX/PacketMath.h')
-rw-r--r-- | runtimes/nn/depend/external/eigen/Eigen/src/Core/arch/AVX/PacketMath.h | 633 |
1 files changed, 0 insertions, 633 deletions
diff --git a/runtimes/nn/depend/external/eigen/Eigen/src/Core/arch/AVX/PacketMath.h b/runtimes/nn/depend/external/eigen/Eigen/src/Core/arch/AVX/PacketMath.h deleted file mode 100644 index 195d40fb4..000000000 --- a/runtimes/nn/depend/external/eigen/Eigen/src/Core/arch/AVX/PacketMath.h +++ /dev/null @@ -1,633 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2014 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_AVX_H -#define EIGEN_PACKET_MATH_AVX_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 (2*sizeof(void*)) -#endif - -#ifdef __FMA__ -#ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD -#define EIGEN_HAS_SINGLE_INSTRUCTION_MADD -#endif -#endif - -typedef __m256 Packet8f; -typedef __m256i Packet8i; -typedef __m256d Packet4d; - -template<> struct is_arithmetic<__m256> { enum { value = true }; }; -template<> struct is_arithmetic<__m256i> { enum { value = true }; }; -template<> struct is_arithmetic<__m256d> { enum { value = true }; }; - -#define _EIGEN_DECLARE_CONST_Packet8f(NAME,X) \ - const Packet8f p8f_##NAME = pset1<Packet8f>(X) - -#define _EIGEN_DECLARE_CONST_Packet4d(NAME,X) \ - const Packet4d p4d_##NAME = pset1<Packet4d>(X) - -#define _EIGEN_DECLARE_CONST_Packet8f_FROM_INT(NAME,X) \ - const Packet8f p8f_##NAME = _mm256_castsi256_ps(pset1<Packet8i>(X)) - -#define _EIGEN_DECLARE_CONST_Packet8i(NAME,X) \ - const Packet8i p8i_##NAME = pset1<Packet8i>(X) - -// Use the packet_traits defined in AVX512/PacketMath.h instead if we're going -// to leverage AVX512 instructions. -#ifndef EIGEN_VECTORIZE_AVX512 -template<> struct packet_traits<float> : default_packet_traits -{ - typedef Packet8f type; - typedef Packet4f half; - enum { - Vectorizable = 1, - AlignedOnScalar = 1, - size=8, - HasHalfPacket = 1, - - HasDiv = 1, - HasSin = EIGEN_FAST_MATH, - HasCos = 0, - HasLog = 1, - HasExp = 1, - HasSqrt = 1, - HasRsqrt = 1, - HasTanh = EIGEN_FAST_MATH, - HasBlend = 1, - HasRound = 1, - HasFloor = 1, - HasCeil = 1 - }; -}; -template<> struct packet_traits<double> : default_packet_traits -{ - typedef Packet4d type; - typedef Packet2d half; - enum { - Vectorizable = 1, - AlignedOnScalar = 1, - size=4, - HasHalfPacket = 1, - - HasDiv = 1, - HasExp = 1, - HasSqrt = 1, - HasRsqrt = 1, - HasBlend = 1, - HasRound = 1, - HasFloor = 1, - HasCeil = 1 - }; -}; -#endif - -template<> struct scalar_div_cost<float,true> { enum { value = 14 }; }; -template<> struct scalar_div_cost<double,true> { enum { value = 16 }; }; - -/* Proper support for integers is only provided by AVX2. In the meantime, we'll - use SSE instructions and packets to deal with integers. -template<> struct packet_traits<int> : default_packet_traits -{ - typedef Packet8i type; - enum { - Vectorizable = 1, - AlignedOnScalar = 1, - size=8 - }; -}; -*/ - -template<> struct unpacket_traits<Packet8f> { typedef float type; typedef Packet4f half; enum {size=8, alignment=Aligned32}; }; -template<> struct unpacket_traits<Packet4d> { typedef double type; typedef Packet2d half; enum {size=4, alignment=Aligned32}; }; -template<> struct unpacket_traits<Packet8i> { typedef int type; typedef Packet4i half; enum {size=8, alignment=Aligned32}; }; - -template<> EIGEN_STRONG_INLINE Packet8f pset1<Packet8f>(const float& from) { return _mm256_set1_ps(from); } -template<> EIGEN_STRONG_INLINE Packet4d pset1<Packet4d>(const double& from) { return _mm256_set1_pd(from); } -template<> EIGEN_STRONG_INLINE Packet8i pset1<Packet8i>(const int& from) { return _mm256_set1_epi32(from); } - -template<> EIGEN_STRONG_INLINE Packet8f pload1<Packet8f>(const float* from) { return _mm256_broadcast_ss(from); } -template<> EIGEN_STRONG_INLINE Packet4d pload1<Packet4d>(const double* from) { return _mm256_broadcast_sd(from); } - -template<> EIGEN_STRONG_INLINE Packet8f plset<Packet8f>(const float& a) { return _mm256_add_ps(_mm256_set1_ps(a), _mm256_set_ps(7.0,6.0,5.0,4.0,3.0,2.0,1.0,0.0)); } -template<> EIGEN_STRONG_INLINE Packet4d plset<Packet4d>(const double& a) { return _mm256_add_pd(_mm256_set1_pd(a), _mm256_set_pd(3.0,2.0,1.0,0.0)); } - -template<> EIGEN_STRONG_INLINE Packet8f padd<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_add_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d padd<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_add_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f psub<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_sub_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d psub<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_sub_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f pnegate(const Packet8f& a) -{ - return _mm256_sub_ps(_mm256_set1_ps(0.0),a); -} -template<> EIGEN_STRONG_INLINE Packet4d pnegate(const Packet4d& a) -{ - return _mm256_sub_pd(_mm256_set1_pd(0.0),a); -} - -template<> EIGEN_STRONG_INLINE Packet8f pconj(const Packet8f& a) { return a; } -template<> EIGEN_STRONG_INLINE Packet4d pconj(const Packet4d& a) { return a; } -template<> EIGEN_STRONG_INLINE Packet8i pconj(const Packet8i& a) { return a; } - -template<> EIGEN_STRONG_INLINE Packet8f pmul<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_mul_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pmul<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_mul_pd(a,b); } - - -template<> EIGEN_STRONG_INLINE Packet8f pdiv<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_div_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pdiv<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_div_pd(a,b); } -template<> EIGEN_STRONG_INLINE Packet8i pdiv<Packet8i>(const Packet8i& /*a*/, const Packet8i& /*b*/) -{ eigen_assert(false && "packet integer division are not supported by AVX"); - return pset1<Packet8i>(0); -} - -#ifdef __FMA__ -template<> EIGEN_STRONG_INLINE Packet8f pmadd(const Packet8f& a, const Packet8f& b, const Packet8f& c) { -#if ( EIGEN_COMP_GNUC_STRICT || (EIGEN_COMP_CLANG && (EIGEN_COMP_CLANG<308)) ) - // clang stupidly generates a vfmadd213ps instruction plus some vmovaps on registers, - // and gcc stupidly generates a vfmadd132ps instruction, - // so let's enforce it to generate a vfmadd231ps instruction since the most common use case is to accumulate - // the result of the product. - Packet8f res = c; - __asm__("vfmadd231ps %[a], %[b], %[c]" : [c] "+x" (res) : [a] "x" (a), [b] "x" (b)); - return res; -#else - return _mm256_fmadd_ps(a,b,c); -#endif -} -template<> EIGEN_STRONG_INLINE Packet4d pmadd(const Packet4d& a, const Packet4d& b, const Packet4d& c) { -#if ( EIGEN_COMP_GNUC_STRICT || (EIGEN_COMP_CLANG && (EIGEN_COMP_CLANG<308)) ) - // see above - Packet4d res = c; - __asm__("vfmadd231pd %[a], %[b], %[c]" : [c] "+x" (res) : [a] "x" (a), [b] "x" (b)); - return res; -#else - return _mm256_fmadd_pd(a,b,c); -#endif -} -#endif - -template<> EIGEN_STRONG_INLINE Packet8f pmin<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_min_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pmin<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_min_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f pmax<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_max_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pmax<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_max_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f pround<Packet8f>(const Packet8f& a) { return _mm256_round_ps(a, _MM_FROUND_CUR_DIRECTION); } -template<> EIGEN_STRONG_INLINE Packet4d pround<Packet4d>(const Packet4d& a) { return _mm256_round_pd(a, _MM_FROUND_CUR_DIRECTION); } - -template<> EIGEN_STRONG_INLINE Packet8f pceil<Packet8f>(const Packet8f& a) { return _mm256_ceil_ps(a); } -template<> EIGEN_STRONG_INLINE Packet4d pceil<Packet4d>(const Packet4d& a) { return _mm256_ceil_pd(a); } - -template<> EIGEN_STRONG_INLINE Packet8f pfloor<Packet8f>(const Packet8f& a) { return _mm256_floor_ps(a); } -template<> EIGEN_STRONG_INLINE Packet4d pfloor<Packet4d>(const Packet4d& a) { return _mm256_floor_pd(a); } - -template<> EIGEN_STRONG_INLINE Packet8f pand<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_and_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pand<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_and_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f por<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_or_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d por<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_or_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f pxor<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_xor_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pxor<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_xor_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f pandnot<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_andnot_ps(a,b); } -template<> EIGEN_STRONG_INLINE Packet4d pandnot<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_andnot_pd(a,b); } - -template<> EIGEN_STRONG_INLINE Packet8f pload<Packet8f>(const float* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm256_load_ps(from); } -template<> EIGEN_STRONG_INLINE Packet4d pload<Packet4d>(const double* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm256_load_pd(from); } -template<> EIGEN_STRONG_INLINE Packet8i pload<Packet8i>(const int* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm256_load_si256(reinterpret_cast<const __m256i*>(from)); } - -template<> EIGEN_STRONG_INLINE Packet8f ploadu<Packet8f>(const float* from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm256_loadu_ps(from); } -template<> EIGEN_STRONG_INLINE Packet4d ploadu<Packet4d>(const double* from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm256_loadu_pd(from); } -template<> EIGEN_STRONG_INLINE Packet8i ploadu<Packet8i>(const int* from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm256_loadu_si256(reinterpret_cast<const __m256i*>(from)); } - -// Loads 4 floats from memory a returns the packet {a0, a0 a1, a1, a2, a2, a3, a3} -template<> EIGEN_STRONG_INLINE Packet8f ploaddup<Packet8f>(const float* from) -{ - // TODO try to find a way to avoid the need of a temporary register -// Packet8f tmp = _mm256_castps128_ps256(_mm_loadu_ps(from)); -// tmp = _mm256_insertf128_ps(tmp, _mm_movehl_ps(_mm256_castps256_ps128(tmp),_mm256_castps256_ps128(tmp)), 1); -// return _mm256_unpacklo_ps(tmp,tmp); - - // _mm256_insertf128_ps is very slow on Haswell, thus: - Packet8f tmp = _mm256_broadcast_ps((const __m128*)(const void*)from); - // mimic an "inplace" permutation of the lower 128bits using a blend - tmp = _mm256_blend_ps(tmp,_mm256_castps128_ps256(_mm_permute_ps( _mm256_castps256_ps128(tmp), _MM_SHUFFLE(1,0,1,0))), 15); - // then we can perform a consistent permutation on the global register to get everything in shape: - return _mm256_permute_ps(tmp, _MM_SHUFFLE(3,3,2,2)); -} -// Loads 2 doubles from memory a returns the packet {a0, a0 a1, a1} -template<> EIGEN_STRONG_INLINE Packet4d ploaddup<Packet4d>(const double* from) -{ - Packet4d tmp = _mm256_broadcast_pd((const __m128d*)(const void*)from); - return _mm256_permute_pd(tmp, 3<<2); -} - -// Loads 2 floats from memory a returns the packet {a0, a0 a0, a0, a1, a1, a1, a1} -template<> EIGEN_STRONG_INLINE Packet8f ploadquad<Packet8f>(const float* from) -{ - Packet8f tmp = _mm256_castps128_ps256(_mm_broadcast_ss(from)); - return _mm256_insertf128_ps(tmp, _mm_broadcast_ss(from+1), 1); -} - -template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet8f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm256_store_ps(to, from); } -template<> EIGEN_STRONG_INLINE void pstore<double>(double* to, const Packet4d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm256_store_pd(to, from); } -template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet8i& from) { EIGEN_DEBUG_ALIGNED_STORE _mm256_storeu_si256(reinterpret_cast<__m256i*>(to), from); } - -template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet8f& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm256_storeu_ps(to, from); } -template<> EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet4d& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm256_storeu_pd(to, from); } -template<> EIGEN_STRONG_INLINE void pstoreu<int>(int* to, const Packet8i& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm256_storeu_si256(reinterpret_cast<__m256i*>(to), from); } - -// NOTE: leverage _mm256_i32gather_ps and _mm256_i32gather_pd if AVX2 instructions are available -// NOTE: for the record the following seems to be slower: return _mm256_i32gather_ps(from, _mm256_set1_epi32(stride), 4); -template<> EIGEN_DEVICE_FUNC inline Packet8f pgather<float, Packet8f>(const float* from, Index stride) -{ - return _mm256_set_ps(from[7*stride], from[6*stride], from[5*stride], from[4*stride], - from[3*stride], from[2*stride], from[1*stride], from[0*stride]); -} -template<> EIGEN_DEVICE_FUNC inline Packet4d pgather<double, Packet4d>(const double* from, Index stride) -{ - return _mm256_set_pd(from[3*stride], from[2*stride], from[1*stride], from[0*stride]); -} - -template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet8f>(float* to, const Packet8f& from, Index stride) -{ - __m128 low = _mm256_extractf128_ps(from, 0); - to[stride*0] = _mm_cvtss_f32(low); - to[stride*1] = _mm_cvtss_f32(_mm_shuffle_ps(low, low, 1)); - to[stride*2] = _mm_cvtss_f32(_mm_shuffle_ps(low, low, 2)); - to[stride*3] = _mm_cvtss_f32(_mm_shuffle_ps(low, low, 3)); - - __m128 high = _mm256_extractf128_ps(from, 1); - to[stride*4] = _mm_cvtss_f32(high); - to[stride*5] = _mm_cvtss_f32(_mm_shuffle_ps(high, high, 1)); - to[stride*6] = _mm_cvtss_f32(_mm_shuffle_ps(high, high, 2)); - to[stride*7] = _mm_cvtss_f32(_mm_shuffle_ps(high, high, 3)); -} -template<> EIGEN_DEVICE_FUNC inline void pscatter<double, Packet4d>(double* to, const Packet4d& from, Index stride) -{ - __m128d low = _mm256_extractf128_pd(from, 0); - to[stride*0] = _mm_cvtsd_f64(low); - to[stride*1] = _mm_cvtsd_f64(_mm_shuffle_pd(low, low, 1)); - __m128d high = _mm256_extractf128_pd(from, 1); - to[stride*2] = _mm_cvtsd_f64(high); - to[stride*3] = _mm_cvtsd_f64(_mm_shuffle_pd(high, high, 1)); -} - -template<> EIGEN_STRONG_INLINE void pstore1<Packet8f>(float* to, const float& a) -{ - Packet8f pa = pset1<Packet8f>(a); - pstore(to, pa); -} -template<> EIGEN_STRONG_INLINE void pstore1<Packet4d>(double* to, const double& a) -{ - Packet4d pa = pset1<Packet4d>(a); - pstore(to, pa); -} -template<> EIGEN_STRONG_INLINE void pstore1<Packet8i>(int* to, const int& a) -{ - Packet8i pa = pset1<Packet8i>(a); - pstore(to, pa); -} - -#ifndef EIGEN_VECTORIZE_AVX512 -template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); } -template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); } -template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); } -#endif - -template<> EIGEN_STRONG_INLINE float pfirst<Packet8f>(const Packet8f& a) { - return _mm_cvtss_f32(_mm256_castps256_ps128(a)); -} -template<> EIGEN_STRONG_INLINE double pfirst<Packet4d>(const Packet4d& a) { - return _mm_cvtsd_f64(_mm256_castpd256_pd128(a)); -} -template<> EIGEN_STRONG_INLINE int pfirst<Packet8i>(const Packet8i& a) { - return _mm_cvtsi128_si32(_mm256_castsi256_si128(a)); -} - - -template<> EIGEN_STRONG_INLINE Packet8f preverse(const Packet8f& a) -{ - __m256 tmp = _mm256_shuffle_ps(a,a,0x1b); - return _mm256_permute2f128_ps(tmp, tmp, 1); -} -template<> EIGEN_STRONG_INLINE Packet4d preverse(const Packet4d& a) -{ - __m256d tmp = _mm256_shuffle_pd(a,a,5); - return _mm256_permute2f128_pd(tmp, tmp, 1); - - __m256d swap_halves = _mm256_permute2f128_pd(a,a,1); - return _mm256_permute_pd(swap_halves,5); -} - -// pabs should be ok -template<> EIGEN_STRONG_INLINE Packet8f pabs(const Packet8f& a) -{ - const Packet8f mask = _mm256_castsi256_ps(_mm256_setr_epi32(0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF)); - return _mm256_and_ps(a,mask); -} -template<> EIGEN_STRONG_INLINE Packet4d pabs(const Packet4d& a) -{ - const Packet4d mask = _mm256_castsi256_pd(_mm256_setr_epi32(0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF)); - return _mm256_and_pd(a,mask); -} - -// preduxp should be ok -// FIXME: why is this ok? why isn't the simply implementation working as expected? -template<> EIGEN_STRONG_INLINE Packet8f preduxp<Packet8f>(const Packet8f* vecs) -{ - __m256 hsum1 = _mm256_hadd_ps(vecs[0], vecs[1]); - __m256 hsum2 = _mm256_hadd_ps(vecs[2], vecs[3]); - __m256 hsum3 = _mm256_hadd_ps(vecs[4], vecs[5]); - __m256 hsum4 = _mm256_hadd_ps(vecs[6], vecs[7]); - - __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); - return final; -} -template<> EIGEN_STRONG_INLINE Packet4d preduxp<Packet4d>(const Packet4d* vecs) -{ - Packet4d tmp0, tmp1; - - tmp0 = _mm256_hadd_pd(vecs[0], vecs[1]); - tmp0 = _mm256_add_pd(tmp0, _mm256_permute2f128_pd(tmp0, tmp0, 1)); - - tmp1 = _mm256_hadd_pd(vecs[2], vecs[3]); - tmp1 = _mm256_add_pd(tmp1, _mm256_permute2f128_pd(tmp1, tmp1, 1)); - - return _mm256_blend_pd(tmp0, tmp1, 0xC); -} - -template<> EIGEN_STRONG_INLINE float predux<Packet8f>(const Packet8f& a) -{ - return predux(Packet4f(_mm_add_ps(_mm256_castps256_ps128(a),_mm256_extractf128_ps(a,1)))); -} -template<> EIGEN_STRONG_INLINE double predux<Packet4d>(const Packet4d& a) -{ - return predux(Packet2d(_mm_add_pd(_mm256_castpd256_pd128(a),_mm256_extractf128_pd(a,1)))); -} - -template<> EIGEN_STRONG_INLINE Packet4f predux_downto4<Packet8f>(const Packet8f& a) -{ - return _mm_add_ps(_mm256_castps256_ps128(a),_mm256_extractf128_ps(a,1)); -} - -template<> EIGEN_STRONG_INLINE float predux_mul<Packet8f>(const Packet8f& a) -{ - Packet8f tmp; - tmp = _mm256_mul_ps(a, _mm256_permute2f128_ps(a,a,1)); - tmp = _mm256_mul_ps(tmp, _mm256_shuffle_ps(tmp,tmp,_MM_SHUFFLE(1,0,3,2))); - return pfirst(_mm256_mul_ps(tmp, _mm256_shuffle_ps(tmp,tmp,1))); -} -template<> EIGEN_STRONG_INLINE double predux_mul<Packet4d>(const Packet4d& a) -{ - Packet4d tmp; - tmp = _mm256_mul_pd(a, _mm256_permute2f128_pd(a,a,1)); - return pfirst(_mm256_mul_pd(tmp, _mm256_shuffle_pd(tmp,tmp,1))); -} - -template<> EIGEN_STRONG_INLINE float predux_min<Packet8f>(const Packet8f& a) -{ - Packet8f tmp = _mm256_min_ps(a, _mm256_permute2f128_ps(a,a,1)); - tmp = _mm256_min_ps(tmp, _mm256_shuffle_ps(tmp,tmp,_MM_SHUFFLE(1,0,3,2))); - return pfirst(_mm256_min_ps(tmp, _mm256_shuffle_ps(tmp,tmp,1))); -} -template<> EIGEN_STRONG_INLINE double predux_min<Packet4d>(const Packet4d& a) -{ - Packet4d tmp = _mm256_min_pd(a, _mm256_permute2f128_pd(a,a,1)); - return pfirst(_mm256_min_pd(tmp, _mm256_shuffle_pd(tmp, tmp, 1))); -} - -template<> EIGEN_STRONG_INLINE float predux_max<Packet8f>(const Packet8f& a) -{ - Packet8f tmp = _mm256_max_ps(a, _mm256_permute2f128_ps(a,a,1)); - tmp = _mm256_max_ps(tmp, _mm256_shuffle_ps(tmp,tmp,_MM_SHUFFLE(1,0,3,2))); - return pfirst(_mm256_max_ps(tmp, _mm256_shuffle_ps(tmp,tmp,1))); -} - -template<> EIGEN_STRONG_INLINE double predux_max<Packet4d>(const Packet4d& a) -{ - Packet4d tmp = _mm256_max_pd(a, _mm256_permute2f128_pd(a,a,1)); - return pfirst(_mm256_max_pd(tmp, _mm256_shuffle_pd(tmp, tmp, 1))); -} - - -template<int Offset> -struct palign_impl<Offset,Packet8f> -{ - static EIGEN_STRONG_INLINE void run(Packet8f& first, const Packet8f& second) - { - if (Offset==1) - { - first = _mm256_blend_ps(first, second, 1); - Packet8f tmp1 = _mm256_permute_ps (first, _MM_SHUFFLE(0,3,2,1)); - Packet8f tmp2 = _mm256_permute2f128_ps (tmp1, tmp1, 1); - first = _mm256_blend_ps(tmp1, tmp2, 0x88); - } - else if (Offset==2) - { - first = _mm256_blend_ps(first, second, 3); - Packet8f tmp1 = _mm256_permute_ps (first, _MM_SHUFFLE(1,0,3,2)); - Packet8f tmp2 = _mm256_permute2f128_ps (tmp1, tmp1, 1); - first = _mm256_blend_ps(tmp1, tmp2, 0xcc); - } - else if (Offset==3) - { - first = _mm256_blend_ps(first, second, 7); - Packet8f tmp1 = _mm256_permute_ps (first, _MM_SHUFFLE(2,1,0,3)); - Packet8f tmp2 = _mm256_permute2f128_ps (tmp1, tmp1, 1); - first = _mm256_blend_ps(tmp1, tmp2, 0xee); - } - else if (Offset==4) - { - first = _mm256_blend_ps(first, second, 15); - Packet8f tmp1 = _mm256_permute_ps (first, _MM_SHUFFLE(3,2,1,0)); - Packet8f tmp2 = _mm256_permute2f128_ps (tmp1, tmp1, 1); - first = _mm256_permute_ps(tmp2, _MM_SHUFFLE(3,2,1,0)); - } - else if (Offset==5) - { - first = _mm256_blend_ps(first, second, 31); - first = _mm256_permute2f128_ps(first, first, 1); - Packet8f tmp = _mm256_permute_ps (first, _MM_SHUFFLE(0,3,2,1)); - first = _mm256_permute2f128_ps(tmp, tmp, 1); - first = _mm256_blend_ps(tmp, first, 0x88); - } - else if (Offset==6) - { - first = _mm256_blend_ps(first, second, 63); - first = _mm256_permute2f128_ps(first, first, 1); - Packet8f tmp = _mm256_permute_ps (first, _MM_SHUFFLE(1,0,3,2)); - first = _mm256_permute2f128_ps(tmp, tmp, 1); - first = _mm256_blend_ps(tmp, first, 0xcc); - } - else if (Offset==7) - { - first = _mm256_blend_ps(first, second, 127); - first = _mm256_permute2f128_ps(first, first, 1); - Packet8f tmp = _mm256_permute_ps (first, _MM_SHUFFLE(2,1,0,3)); - first = _mm256_permute2f128_ps(tmp, tmp, 1); - first = _mm256_blend_ps(tmp, first, 0xee); - } - } -}; - -template<int Offset> -struct palign_impl<Offset,Packet4d> -{ - static EIGEN_STRONG_INLINE void run(Packet4d& first, const Packet4d& second) - { - if (Offset==1) - { - first = _mm256_blend_pd(first, second, 1); - __m256d tmp = _mm256_permute_pd(first, 5); - first = _mm256_permute2f128_pd(tmp, tmp, 1); - first = _mm256_blend_pd(tmp, first, 0xA); - } - else if (Offset==2) - { - first = _mm256_blend_pd(first, second, 3); - first = _mm256_permute2f128_pd(first, first, 1); - } - else if (Offset==3) - { - first = _mm256_blend_pd(first, second, 7); - __m256d tmp = _mm256_permute_pd(first, 5); - first = _mm256_permute2f128_pd(tmp, tmp, 1); - first = _mm256_blend_pd(tmp, first, 5); - } - } -}; - -EIGEN_DEVICE_FUNC inline void -ptranspose(PacketBlock<Packet8f,8>& kernel) { - __m256 T0 = _mm256_unpacklo_ps(kernel.packet[0], kernel.packet[1]); - __m256 T1 = _mm256_unpackhi_ps(kernel.packet[0], kernel.packet[1]); - __m256 T2 = _mm256_unpacklo_ps(kernel.packet[2], kernel.packet[3]); - __m256 T3 = _mm256_unpackhi_ps(kernel.packet[2], kernel.packet[3]); - __m256 T4 = _mm256_unpacklo_ps(kernel.packet[4], kernel.packet[5]); - __m256 T5 = _mm256_unpackhi_ps(kernel.packet[4], kernel.packet[5]); - __m256 T6 = _mm256_unpacklo_ps(kernel.packet[6], kernel.packet[7]); - __m256 T7 = _mm256_unpackhi_ps(kernel.packet[6], kernel.packet[7]); - __m256 S0 = _mm256_shuffle_ps(T0,T2,_MM_SHUFFLE(1,0,1,0)); - __m256 S1 = _mm256_shuffle_ps(T0,T2,_MM_SHUFFLE(3,2,3,2)); - __m256 S2 = _mm256_shuffle_ps(T1,T3,_MM_SHUFFLE(1,0,1,0)); - __m256 S3 = _mm256_shuffle_ps(T1,T3,_MM_SHUFFLE(3,2,3,2)); - __m256 S4 = _mm256_shuffle_ps(T4,T6,_MM_SHUFFLE(1,0,1,0)); - __m256 S5 = _mm256_shuffle_ps(T4,T6,_MM_SHUFFLE(3,2,3,2)); - __m256 S6 = _mm256_shuffle_ps(T5,T7,_MM_SHUFFLE(1,0,1,0)); - __m256 S7 = _mm256_shuffle_ps(T5,T7,_MM_SHUFFLE(3,2,3,2)); - kernel.packet[0] = _mm256_permute2f128_ps(S0, S4, 0x20); - kernel.packet[1] = _mm256_permute2f128_ps(S1, S5, 0x20); - kernel.packet[2] = _mm256_permute2f128_ps(S2, S6, 0x20); - kernel.packet[3] = _mm256_permute2f128_ps(S3, S7, 0x20); - kernel.packet[4] = _mm256_permute2f128_ps(S0, S4, 0x31); - kernel.packet[5] = _mm256_permute2f128_ps(S1, S5, 0x31); - kernel.packet[6] = _mm256_permute2f128_ps(S2, S6, 0x31); - kernel.packet[7] = _mm256_permute2f128_ps(S3, S7, 0x31); -} - -EIGEN_DEVICE_FUNC inline void -ptranspose(PacketBlock<Packet8f,4>& kernel) { - __m256 T0 = _mm256_unpacklo_ps(kernel.packet[0], kernel.packet[1]); - __m256 T1 = _mm256_unpackhi_ps(kernel.packet[0], kernel.packet[1]); - __m256 T2 = _mm256_unpacklo_ps(kernel.packet[2], kernel.packet[3]); - __m256 T3 = _mm256_unpackhi_ps(kernel.packet[2], kernel.packet[3]); - - __m256 S0 = _mm256_shuffle_ps(T0,T2,_MM_SHUFFLE(1,0,1,0)); - __m256 S1 = _mm256_shuffle_ps(T0,T2,_MM_SHUFFLE(3,2,3,2)); - __m256 S2 = _mm256_shuffle_ps(T1,T3,_MM_SHUFFLE(1,0,1,0)); - __m256 S3 = _mm256_shuffle_ps(T1,T3,_MM_SHUFFLE(3,2,3,2)); - - kernel.packet[0] = _mm256_permute2f128_ps(S0, S1, 0x20); - kernel.packet[1] = _mm256_permute2f128_ps(S2, S3, 0x20); - kernel.packet[2] = _mm256_permute2f128_ps(S0, S1, 0x31); - kernel.packet[3] = _mm256_permute2f128_ps(S2, S3, 0x31); -} - -EIGEN_DEVICE_FUNC inline void -ptranspose(PacketBlock<Packet4d,4>& kernel) { - __m256d T0 = _mm256_shuffle_pd(kernel.packet[0], kernel.packet[1], 15); - __m256d T1 = _mm256_shuffle_pd(kernel.packet[0], kernel.packet[1], 0); - __m256d T2 = _mm256_shuffle_pd(kernel.packet[2], kernel.packet[3], 15); - __m256d T3 = _mm256_shuffle_pd(kernel.packet[2], kernel.packet[3], 0); - - kernel.packet[1] = _mm256_permute2f128_pd(T0, T2, 32); - kernel.packet[3] = _mm256_permute2f128_pd(T0, T2, 49); - kernel.packet[0] = _mm256_permute2f128_pd(T1, T3, 32); - kernel.packet[2] = _mm256_permute2f128_pd(T1, T3, 49); -} - -template<> EIGEN_STRONG_INLINE Packet8f pblend(const Selector<8>& ifPacket, const Packet8f& thenPacket, const Packet8f& elsePacket) { - const __m256 zero = _mm256_setzero_ps(); - const __m256 select = _mm256_set_ps(ifPacket.select[7], ifPacket.select[6], ifPacket.select[5], ifPacket.select[4], ifPacket.select[3], ifPacket.select[2], ifPacket.select[1], ifPacket.select[0]); - __m256 false_mask = _mm256_cmp_ps(select, zero, _CMP_EQ_UQ); - return _mm256_blendv_ps(thenPacket, elsePacket, false_mask); -} -template<> EIGEN_STRONG_INLINE Packet4d pblend(const Selector<4>& ifPacket, const Packet4d& thenPacket, const Packet4d& elsePacket) { - const __m256d zero = _mm256_setzero_pd(); - const __m256d select = _mm256_set_pd(ifPacket.select[3], ifPacket.select[2], ifPacket.select[1], ifPacket.select[0]); - __m256d false_mask = _mm256_cmp_pd(select, zero, _CMP_EQ_UQ); - return _mm256_blendv_pd(thenPacket, elsePacket, false_mask); -} - -template<> EIGEN_STRONG_INLINE Packet8f pinsertfirst(const Packet8f& a, float b) -{ - return _mm256_blend_ps(a,pset1<Packet8f>(b),1); -} - -template<> EIGEN_STRONG_INLINE Packet4d pinsertfirst(const Packet4d& a, double b) -{ - return _mm256_blend_pd(a,pset1<Packet4d>(b),1); -} - -template<> EIGEN_STRONG_INLINE Packet8f pinsertlast(const Packet8f& a, float b) -{ - return _mm256_blend_ps(a,pset1<Packet8f>(b),(1<<7)); -} - -template<> EIGEN_STRONG_INLINE Packet4d pinsertlast(const Packet4d& a, double b) -{ - return _mm256_blend_pd(a,pset1<Packet4d>(b),(1<<3)); -} - -} // end namespace internal - -} // end namespace Eigen - -#endif // EIGEN_PACKET_MATH_AVX_H |