aboutsummaryrefslogtreecommitdiff
path: root/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
diff options
context:
space:
mode:
Diffstat (limited to 'Eigen/src/Core/arch/CUDA/PacketMathHalf.h')
-rw-r--r--Eigen/src/Core/arch/CUDA/PacketMathHalf.h1123
1 files changed, 0 insertions, 1123 deletions
diff --git a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
deleted file mode 100644
index ae54225f8..000000000
--- a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
+++ /dev/null
@@ -1,1123 +0,0 @@
-// 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_HALF_CUDA_H
-#define EIGEN_PACKET_MATH_HALF_CUDA_H
-
-
-namespace Eigen {
-namespace internal {
-
-// Most of the following operations require arch >= 3.0
-#if defined(EIGEN_HAS_CUDA_FP16) && defined(__CUDACC__) && defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300
-
-template<> struct is_arithmetic<half2> { enum { value = true }; };
-
-template<> struct packet_traits<Eigen::half> : default_packet_traits
-{
- typedef half2 type;
- typedef half2 half;
- enum {
- Vectorizable = 1,
- AlignedOnScalar = 1,
- size=2,
- HasHalfPacket = 0,
- HasAdd = 1,
- HasMul = 1,
- HasDiv = 1,
- HasSqrt = 1,
- HasRsqrt = 1,
- HasExp = 1,
- HasLog = 1,
- HasLog1p = 1
- };
-};
-
-template<> struct unpacket_traits<half2> { typedef Eigen::half type; enum {size=2, alignment=Aligned16}; typedef half2 half; };
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pset1<half2>(const Eigen::half& from) {
- return __half2half2(from);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pload<half2>(const Eigen::half* from) {
- return *reinterpret_cast<const half2*>(from);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 ploadu<half2>(const Eigen::half* from) {
- return __halves2half2(from[0], from[1]);
-}
-
-template<> EIGEN_STRONG_INLINE half2 ploaddup<half2>(const Eigen::half* from) {
- return __halves2half2(from[0], from[0]);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE void pstore<Eigen::half>(Eigen::half* to, const half2& from) {
- *reinterpret_cast<half2*>(to) = from;
-}
-
-template<> __device__ EIGEN_STRONG_INLINE void pstoreu<Eigen::half>(Eigen::half* to, const half2& from) {
- to[0] = __low2half(from);
- to[1] = __high2half(from);
-}
-
-template<>
- __device__ EIGEN_ALWAYS_INLINE half2 ploadt_ro<half2, Aligned>(const Eigen::half* from) {
-#if __CUDA_ARCH__ >= 350
- return __ldg((const half2*)from);
-#else
- return __halves2half2(*(from+0), *(from+1));
-#endif
-}
-
-template<>
-__device__ EIGEN_ALWAYS_INLINE half2 ploadt_ro<half2, Unaligned>(const Eigen::half* from) {
-#if __CUDA_ARCH__ >= 350
- return __halves2half2(__ldg(from+0), __ldg(from+1));
-#else
- return __halves2half2(*(from+0), *(from+1));
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pgather<Eigen::half, half2>(const Eigen::half* from, Index stride) {
- return __halves2half2(from[0*stride], from[1*stride]);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE void pscatter<Eigen::half, half2>(Eigen::half* to, const half2& from, Index stride) {
- to[stride*0] = __low2half(from);
- to[stride*1] = __high2half(from);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE Eigen::half pfirst<half2>(const half2& a) {
- return __low2half(a);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pabs<half2>(const half2& a) {
- half2 result;
- result.x = a.x & 0x7FFF7FFF;
- return result;
-}
-
-
-__device__ EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<half2,2>& kernel) {
- __half a1 = __low2half(kernel.packet[0]);
- __half a2 = __high2half(kernel.packet[0]);
- __half b1 = __low2half(kernel.packet[1]);
- __half b2 = __high2half(kernel.packet[1]);
- kernel.packet[0] = __halves2half2(a1, b1);
- kernel.packet[1] = __halves2half2(a2, b2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 plset<half2>(const Eigen::half& a) {
-#if __CUDA_ARCH__ >= 530
- return __halves2half2(a, __hadd(a, __float2half(1.0f)));
-#else
- float f = __half2float(a) + 1.0f;
- return __halves2half2(a, __float2half(f));
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 padd<half2>(const half2& a, const half2& b) {
-#if __CUDA_ARCH__ >= 530
- return __hadd2(a, b);
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- float r1 = a1 + b1;
- float r2 = a2 + b2;
- return __floats2half2_rn(r1, r2);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 psub<half2>(const half2& a, const half2& b) {
-#if __CUDA_ARCH__ >= 530
- return __hsub2(a, b);
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- float r1 = a1 - b1;
- float r2 = a2 - b2;
- return __floats2half2_rn(r1, r2);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pnegate(const half2& a) {
-#if __CUDA_ARCH__ >= 530
- return __hneg2(a);
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- return __floats2half2_rn(-a1, -a2);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pconj(const half2& a) { return a; }
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pmul<half2>(const half2& a, const half2& b) {
-#if __CUDA_ARCH__ >= 530
- return __hmul2(a, b);
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- float r1 = a1 * b1;
- float r2 = a2 * b2;
- return __floats2half2_rn(r1, r2);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pmadd<half2>(const half2& a, const half2& b, const half2& c) {
-#if __CUDA_ARCH__ >= 530
- return __hfma2(a, b, c);
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- float c1 = __low2float(c);
- float c2 = __high2float(c);
- float r1 = a1 * b1 + c1;
- float r2 = a2 * b2 + c2;
- return __floats2half2_rn(r1, r2);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pdiv<half2>(const half2& a, const half2& b) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- float r1 = a1 / b1;
- float r2 = a2 / b2;
- return __floats2half2_rn(r1, r2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pmin<half2>(const half2& a, const half2& b) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- __half r1 = a1 < b1 ? __low2half(a) : __low2half(b);
- __half r2 = a2 < b2 ? __high2half(a) : __high2half(b);
- return __halves2half2(r1, r2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pmax<half2>(const half2& a, const half2& b) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float b1 = __low2float(b);
- float b2 = __high2float(b);
- __half r1 = a1 > b1 ? __low2half(a) : __low2half(b);
- __half r2 = a2 > b2 ? __high2half(a) : __high2half(b);
- return __halves2half2(r1, r2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux<half2>(const half2& a) {
-#if __CUDA_ARCH__ >= 530
- return __hadd(__low2half(a), __high2half(a));
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- return Eigen::half(half_impl::raw_uint16_to_half(__float2half_rn(a1 + a2)));
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_max<half2>(const half2& a) {
-#if __CUDA_ARCH__ >= 530
- __half first = __low2half(a);
- __half second = __high2half(a);
- return __hgt(first, second) ? first : second;
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- return a1 > a2 ? __low2half(a) : __high2half(a);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_min<half2>(const half2& a) {
-#if __CUDA_ARCH__ >= 530
- __half first = __low2half(a);
- __half second = __high2half(a);
- return __hlt(first, second) ? first : second;
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- return a1 < a2 ? __low2half(a) : __high2half(a);
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE Eigen::half predux_mul<half2>(const half2& a) {
-#if __CUDA_ARCH__ >= 530
- return __hmul(__low2half(a), __high2half(a));
-#else
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- return Eigen::half(half_impl::raw_uint16_to_half(__float2half_rn(a1 * a2)));
-#endif
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 plog1p<half2>(const half2& a) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float r1 = log1pf(a1);
- float r2 = log1pf(a2);
- return __floats2half2_rn(r1, r2);
-}
-
-#if defined __CUDACC_VER__ && __CUDACC_VER__ >= 80000 && defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 530
-
-template<> __device__ EIGEN_STRONG_INLINE
-half2 plog<half2>(const half2& a) {
- return h2log(a);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE
-half2 pexp<half2>(const half2& a) {
- return h2exp(a);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE
-half2 psqrt<half2>(const half2& a) {
- return h2sqrt(a);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE
-half2 prsqrt<half2>(const half2& a) {
- return h2rsqrt(a);
-}
-
-#else
-
-template<> __device__ EIGEN_STRONG_INLINE half2 plog<half2>(const half2& a) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float r1 = logf(a1);
- float r2 = logf(a2);
- return __floats2half2_rn(r1, r2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 pexp<half2>(const half2& a) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float r1 = expf(a1);
- float r2 = expf(a2);
- return __floats2half2_rn(r1, r2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 psqrt<half2>(const half2& a) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float r1 = sqrtf(a1);
- float r2 = sqrtf(a2);
- return __floats2half2_rn(r1, r2);
-}
-
-template<> __device__ EIGEN_STRONG_INLINE half2 prsqrt<half2>(const half2& a) {
- float a1 = __low2float(a);
- float a2 = __high2float(a);
- float r1 = rsqrtf(a1);
- float r2 = rsqrtf(a2);
- return __floats2half2_rn(r1, r2);
-}
-
-#endif
-
-#elif defined EIGEN_VECTORIZE_AVX512
-
-typedef struct {
- __m256i x;
-} Packet16h;
-
-
-template<> struct is_arithmetic<Packet16h> { enum { value = true }; };
-
-template <>
-struct packet_traits<half> : default_packet_traits {
- typedef Packet16h type;
- // There is no half-size packet for Packet16h.
- typedef Packet16h half;
- enum {
- Vectorizable = 1,
- AlignedOnScalar = 1,
- size = 16,
- HasHalfPacket = 0,
- HasAdd = 0,
- HasSub = 0,
- HasMul = 0,
- HasNegate = 0,
- HasAbs = 0,
- HasAbs2 = 0,
- HasMin = 0,
- HasMax = 0,
- HasConj = 0,
- HasSetLinear = 0,
- HasDiv = 0,
- HasSqrt = 0,
- HasRsqrt = 0,
- HasExp = 0,
- HasLog = 0,
- HasBlend = 0
- };
-};
-
-
-template<> struct unpacket_traits<Packet16h> { typedef Eigen::half type; enum {size=16, alignment=Aligned32}; typedef Packet16h half; };
-
-template<> EIGEN_STRONG_INLINE Packet16h pset1<Packet16h>(const Eigen::half& from) {
- Packet16h result;
- result.x = _mm256_set1_epi16(from.x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half pfirst<Packet16h>(const Packet16h& from) {
- return half_impl::raw_uint16_to_half(static_cast<unsigned short>(_mm256_extract_epi16(from.x, 0)));
-}
-
-template<> EIGEN_STRONG_INLINE Packet16h pload<Packet16h>(const Eigen::half* from) {
- Packet16h result;
- result.x = _mm256_load_si256(reinterpret_cast<const __m256i*>(from));
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Packet16h ploadu<Packet16h>(const Eigen::half* from) {
- Packet16h result;
- result.x = _mm256_loadu_si256(reinterpret_cast<const __m256i*>(from));
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE void pstore<half>(Eigen::half* to, const Packet16h& from) {
- _mm256_store_si256((__m256i*)to, from.x);
-}
-
-template<> EIGEN_STRONG_INLINE void pstoreu<half>(Eigen::half* to, const Packet16h& from) {
- _mm256_storeu_si256((__m256i*)to, from.x);
-}
-
-template<> EIGEN_STRONG_INLINE Packet16h
-ploadquad(const Eigen::half* from) {
- Packet16h result;
- unsigned short a = from[0].x;
- unsigned short b = from[1].x;
- unsigned short c = from[2].x;
- unsigned short d = from[3].x;
- result.x = _mm256_set_epi16(d, d, d, d, c, c, c, c, b, b, b, b, a, a, a, a);
- return result;
-}
-
-EIGEN_STRONG_INLINE Packet16f half2float(const Packet16h& a) {
-#ifdef EIGEN_HAS_FP16_C
- return _mm512_cvtph_ps(a.x);
-#else
- EIGEN_ALIGN64 half aux[16];
- pstore(aux, a);
- float f0(aux[0]);
- float f1(aux[1]);
- float f2(aux[2]);
- float f3(aux[3]);
- float f4(aux[4]);
- float f5(aux[5]);
- float f6(aux[6]);
- float f7(aux[7]);
- float f8(aux[8]);
- float f9(aux[9]);
- float fa(aux[10]);
- float fb(aux[11]);
- float fc(aux[12]);
- float fd(aux[13]);
- float fe(aux[14]);
- float ff(aux[15]);
-
- return _mm512_set_ps(
- ff, fe, fd, fc, fb, fa, f9, f8, f7, f6, f5, f4, f3, f2, f1, f0);
-#endif
-}
-
-EIGEN_STRONG_INLINE Packet16h float2half(const Packet16f& a) {
-#ifdef EIGEN_HAS_FP16_C
- Packet16h result;
- result.x = _mm512_cvtps_ph(a, _MM_FROUND_TO_NEAREST_INT|_MM_FROUND_NO_EXC);
- return result;
-#else
- EIGEN_ALIGN64 float aux[16];
- pstore(aux, a);
- half h0(aux[0]);
- half h1(aux[1]);
- half h2(aux[2]);
- half h3(aux[3]);
- half h4(aux[4]);
- half h5(aux[5]);
- half h6(aux[6]);
- half h7(aux[7]);
- half h8(aux[8]);
- half h9(aux[9]);
- half ha(aux[10]);
- half hb(aux[11]);
- half hc(aux[12]);
- half hd(aux[13]);
- half he(aux[14]);
- half hf(aux[15]);
-
- Packet16h result;
- result.x = _mm256_set_epi16(
- hf.x, he.x, hd.x, hc.x, hb.x, ha.x, h9.x, h8.x,
- h7.x, h6.x, h5.x, h4.x, h3.x, h2.x, h1.x, h0.x);
- return result;
-#endif
-}
-
-template<> EIGEN_STRONG_INLINE Packet16h padd<Packet16h>(const Packet16h& a, const Packet16h& b) {
- Packet16f af = half2float(a);
- Packet16f bf = half2float(b);
- Packet16f rf = padd(af, bf);
- return float2half(rf);
-}
-
-template<> EIGEN_STRONG_INLINE Packet16h pmul<Packet16h>(const Packet16h& a, const Packet16h& b) {
- Packet16f af = half2float(a);
- Packet16f bf = half2float(b);
- Packet16f rf = pmul(af, bf);
- return float2half(rf);
-}
-
-template<> EIGEN_STRONG_INLINE half predux<Packet16h>(const Packet16h& from) {
- Packet16f from_float = half2float(from);
- return half(predux(from_float));
-}
-
-template<> EIGEN_STRONG_INLINE Packet16h pgather<Eigen::half, Packet16h>(const Eigen::half* from, Index stride)
-{
- Packet16h result;
- result.x = _mm256_set_epi16(
- from[15*stride].x, from[14*stride].x, from[13*stride].x, from[12*stride].x,
- from[11*stride].x, from[10*stride].x, from[9*stride].x, from[8*stride].x,
- from[7*stride].x, from[6*stride].x, from[5*stride].x, from[4*stride].x,
- from[3*stride].x, from[2*stride].x, from[1*stride].x, from[0*stride].x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE void pscatter<half, Packet16h>(half* to, const Packet16h& from, Index stride)
-{
- EIGEN_ALIGN64 half aux[16];
- pstore(aux, from);
- to[stride*0].x = aux[0].x;
- to[stride*1].x = aux[1].x;
- to[stride*2].x = aux[2].x;
- to[stride*3].x = aux[3].x;
- to[stride*4].x = aux[4].x;
- to[stride*5].x = aux[5].x;
- to[stride*6].x = aux[6].x;
- to[stride*7].x = aux[7].x;
- to[stride*8].x = aux[8].x;
- to[stride*9].x = aux[9].x;
- to[stride*10].x = aux[10].x;
- to[stride*11].x = aux[11].x;
- to[stride*12].x = aux[12].x;
- to[stride*13].x = aux[13].x;
- to[stride*14].x = aux[14].x;
- to[stride*15].x = aux[15].x;
-}
-
-EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<Packet16h,16>& kernel) {
- __m256i a = kernel.packet[0].x;
- __m256i b = kernel.packet[1].x;
- __m256i c = kernel.packet[2].x;
- __m256i d = kernel.packet[3].x;
- __m256i e = kernel.packet[4].x;
- __m256i f = kernel.packet[5].x;
- __m256i g = kernel.packet[6].x;
- __m256i h = kernel.packet[7].x;
- __m256i i = kernel.packet[8].x;
- __m256i j = kernel.packet[9].x;
- __m256i k = kernel.packet[10].x;
- __m256i l = kernel.packet[11].x;
- __m256i m = kernel.packet[12].x;
- __m256i n = kernel.packet[13].x;
- __m256i o = kernel.packet[14].x;
- __m256i p = kernel.packet[15].x;
-
- __m256i ab_07 = _mm256_unpacklo_epi16(a, b);
- __m256i cd_07 = _mm256_unpacklo_epi16(c, d);
- __m256i ef_07 = _mm256_unpacklo_epi16(e, f);
- __m256i gh_07 = _mm256_unpacklo_epi16(g, h);
- __m256i ij_07 = _mm256_unpacklo_epi16(i, j);
- __m256i kl_07 = _mm256_unpacklo_epi16(k, l);
- __m256i mn_07 = _mm256_unpacklo_epi16(m, n);
- __m256i op_07 = _mm256_unpacklo_epi16(o, p);
-
- __m256i ab_8f = _mm256_unpackhi_epi16(a, b);
- __m256i cd_8f = _mm256_unpackhi_epi16(c, d);
- __m256i ef_8f = _mm256_unpackhi_epi16(e, f);
- __m256i gh_8f = _mm256_unpackhi_epi16(g, h);
- __m256i ij_8f = _mm256_unpackhi_epi16(i, j);
- __m256i kl_8f = _mm256_unpackhi_epi16(k, l);
- __m256i mn_8f = _mm256_unpackhi_epi16(m, n);
- __m256i op_8f = _mm256_unpackhi_epi16(o, p);
-
- __m256i abcd_03 = _mm256_unpacklo_epi32(ab_07, cd_07);
- __m256i abcd_47 = _mm256_unpackhi_epi32(ab_07, cd_07);
- __m256i efgh_03 = _mm256_unpacklo_epi32(ef_07, gh_07);
- __m256i efgh_47 = _mm256_unpackhi_epi32(ef_07, gh_07);
- __m256i ijkl_03 = _mm256_unpacklo_epi32(ij_07, kl_07);
- __m256i ijkl_47 = _mm256_unpackhi_epi32(ij_07, kl_07);
- __m256i mnop_03 = _mm256_unpacklo_epi32(mn_07, op_07);
- __m256i mnop_47 = _mm256_unpackhi_epi32(mn_07, op_07);
-
- __m256i abcd_8b = _mm256_unpacklo_epi32(ab_8f, cd_8f);
- __m256i abcd_cf = _mm256_unpackhi_epi32(ab_8f, cd_8f);
- __m256i efgh_8b = _mm256_unpacklo_epi32(ef_8f, gh_8f);
- __m256i efgh_cf = _mm256_unpackhi_epi32(ef_8f, gh_8f);
- __m256i ijkl_8b = _mm256_unpacklo_epi32(ij_8f, kl_8f);
- __m256i ijkl_cf = _mm256_unpackhi_epi32(ij_8f, kl_8f);
- __m256i mnop_8b = _mm256_unpacklo_epi32(mn_8f, op_8f);
- __m256i mnop_cf = _mm256_unpackhi_epi32(mn_8f, op_8f);
-
- __m256i abcdefgh_01 = _mm256_unpacklo_epi64(abcd_03, efgh_03);
- __m256i abcdefgh_23 = _mm256_unpackhi_epi64(abcd_03, efgh_03);
- __m256i ijklmnop_01 = _mm256_unpacklo_epi64(ijkl_03, mnop_03);
- __m256i ijklmnop_23 = _mm256_unpackhi_epi64(ijkl_03, mnop_03);
- __m256i abcdefgh_45 = _mm256_unpacklo_epi64(abcd_47, efgh_47);
- __m256i abcdefgh_67 = _mm256_unpackhi_epi64(abcd_47, efgh_47);
- __m256i ijklmnop_45 = _mm256_unpacklo_epi64(ijkl_47, mnop_47);
- __m256i ijklmnop_67 = _mm256_unpackhi_epi64(ijkl_47, mnop_47);
- __m256i abcdefgh_89 = _mm256_unpacklo_epi64(abcd_8b, efgh_8b);
- __m256i abcdefgh_ab = _mm256_unpackhi_epi64(abcd_8b, efgh_8b);
- __m256i ijklmnop_89 = _mm256_unpacklo_epi64(ijkl_8b, mnop_8b);
- __m256i ijklmnop_ab = _mm256_unpackhi_epi64(ijkl_8b, mnop_8b);
- __m256i abcdefgh_cd = _mm256_unpacklo_epi64(abcd_cf, efgh_cf);
- __m256i abcdefgh_ef = _mm256_unpackhi_epi64(abcd_cf, efgh_cf);
- __m256i ijklmnop_cd = _mm256_unpacklo_epi64(ijkl_cf, mnop_cf);
- __m256i ijklmnop_ef = _mm256_unpackhi_epi64(ijkl_cf, mnop_cf);
-
- // NOTE: no unpacklo/hi instr in this case, so using permute instr.
- __m256i a_p_0 = _mm256_permute2x128_si256(abcdefgh_01, ijklmnop_01, 0x20);
- __m256i a_p_1 = _mm256_permute2x128_si256(abcdefgh_01, ijklmnop_01, 0x31);
- __m256i a_p_2 = _mm256_permute2x128_si256(abcdefgh_23, ijklmnop_23, 0x20);
- __m256i a_p_3 = _mm256_permute2x128_si256(abcdefgh_23, ijklmnop_23, 0x31);
- __m256i a_p_4 = _mm256_permute2x128_si256(abcdefgh_45, ijklmnop_45, 0x20);
- __m256i a_p_5 = _mm256_permute2x128_si256(abcdefgh_45, ijklmnop_45, 0x31);
- __m256i a_p_6 = _mm256_permute2x128_si256(abcdefgh_67, ijklmnop_67, 0x20);
- __m256i a_p_7 = _mm256_permute2x128_si256(abcdefgh_67, ijklmnop_67, 0x31);
- __m256i a_p_8 = _mm256_permute2x128_si256(abcdefgh_89, ijklmnop_89, 0x20);
- __m256i a_p_9 = _mm256_permute2x128_si256(abcdefgh_89, ijklmnop_89, 0x31);
- __m256i a_p_a = _mm256_permute2x128_si256(abcdefgh_ab, ijklmnop_ab, 0x20);
- __m256i a_p_b = _mm256_permute2x128_si256(abcdefgh_ab, ijklmnop_ab, 0x31);
- __m256i a_p_c = _mm256_permute2x128_si256(abcdefgh_cd, ijklmnop_cd, 0x20);
- __m256i a_p_d = _mm256_permute2x128_si256(abcdefgh_cd, ijklmnop_cd, 0x31);
- __m256i a_p_e = _mm256_permute2x128_si256(abcdefgh_ef, ijklmnop_ef, 0x20);
- __m256i a_p_f = _mm256_permute2x128_si256(abcdefgh_ef, ijklmnop_ef, 0x31);
-
- kernel.packet[0].x = a_p_0;
- kernel.packet[1].x = a_p_1;
- kernel.packet[2].x = a_p_2;
- kernel.packet[3].x = a_p_3;
- kernel.packet[4].x = a_p_4;
- kernel.packet[5].x = a_p_5;
- kernel.packet[6].x = a_p_6;
- kernel.packet[7].x = a_p_7;
- kernel.packet[8].x = a_p_8;
- kernel.packet[9].x = a_p_9;
- kernel.packet[10].x = a_p_a;
- kernel.packet[11].x = a_p_b;
- kernel.packet[12].x = a_p_c;
- kernel.packet[13].x = a_p_d;
- kernel.packet[14].x = a_p_e;
- kernel.packet[15].x = a_p_f;
-}
-
-EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<Packet16h,8>& kernel) {
- EIGEN_ALIGN64 half in[8][16];
- pstore<half>(in[0], kernel.packet[0]);
- pstore<half>(in[1], kernel.packet[1]);
- pstore<half>(in[2], kernel.packet[2]);
- pstore<half>(in[3], kernel.packet[3]);
- pstore<half>(in[4], kernel.packet[4]);
- pstore<half>(in[5], kernel.packet[5]);
- pstore<half>(in[6], kernel.packet[6]);
- pstore<half>(in[7], kernel.packet[7]);
-
- EIGEN_ALIGN64 half out[8][16];
-
- for (int i = 0; i < 8; ++i) {
- for (int j = 0; j < 8; ++j) {
- out[i][j] = in[j][2*i];
- }
- for (int j = 0; j < 8; ++j) {
- out[i][j+8] = in[j][2*i+1];
- }
- }
-
- kernel.packet[0] = pload<Packet16h>(out[0]);
- kernel.packet[1] = pload<Packet16h>(out[1]);
- kernel.packet[2] = pload<Packet16h>(out[2]);
- kernel.packet[3] = pload<Packet16h>(out[3]);
- kernel.packet[4] = pload<Packet16h>(out[4]);
- kernel.packet[5] = pload<Packet16h>(out[5]);
- kernel.packet[6] = pload<Packet16h>(out[6]);
- kernel.packet[7] = pload<Packet16h>(out[7]);
-}
-
-EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<Packet16h,4>& kernel) {
- EIGEN_ALIGN64 half in[4][16];
- pstore<half>(in[0], kernel.packet[0]);
- pstore<half>(in[1], kernel.packet[1]);
- pstore<half>(in[2], kernel.packet[2]);
- pstore<half>(in[3], kernel.packet[3]);
-
- EIGEN_ALIGN64 half out[4][16];
-
- for (int i = 0; i < 4; ++i) {
- for (int j = 0; j < 4; ++j) {
- out[i][j] = in[j][4*i];
- }
- for (int j = 0; j < 4; ++j) {
- out[i][j+4] = in[j][4*i+1];
- }
- for (int j = 0; j < 4; ++j) {
- out[i][j+8] = in[j][4*i+2];
- }
- for (int j = 0; j < 4; ++j) {
- out[i][j+12] = in[j][4*i+3];
- }
- }
-
- kernel.packet[0] = pload<Packet16h>(out[0]);
- kernel.packet[1] = pload<Packet16h>(out[1]);
- kernel.packet[2] = pload<Packet16h>(out[2]);
- kernel.packet[3] = pload<Packet16h>(out[3]);
-}
-
-
-#elif defined EIGEN_VECTORIZE_AVX
-
-typedef struct {
- __m128i x;
-} Packet8h;
-
-
-template<> struct is_arithmetic<Packet8h> { enum { value = true }; };
-
-template <>
-struct packet_traits<Eigen::half> : default_packet_traits {
- typedef Packet8h type;
- // There is no half-size packet for Packet8h.
- typedef Packet8h half;
- enum {
- Vectorizable = 1,
- AlignedOnScalar = 1,
- size = 8,
- HasHalfPacket = 0,
- HasAdd = 0,
- HasSub = 0,
- HasMul = 0,
- HasNegate = 0,
- HasAbs = 0,
- HasAbs2 = 0,
- HasMin = 0,
- HasMax = 0,
- HasConj = 0,
- HasSetLinear = 0,
- HasDiv = 0,
- HasSqrt = 0,
- HasRsqrt = 0,
- HasExp = 0,
- HasLog = 0,
- HasBlend = 0
- };
-};
-
-
-template<> struct unpacket_traits<Packet8h> { typedef Eigen::half type; enum {size=8, alignment=Aligned16}; typedef Packet8h half; };
-
-template<> EIGEN_STRONG_INLINE Packet8h pset1<Packet8h>(const Eigen::half& from) {
- Packet8h result;
- result.x = _mm_set1_epi16(from.x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half pfirst<Packet8h>(const Packet8h& from) {
- return half_impl::raw_uint16_to_half(static_cast<unsigned short>(_mm_extract_epi16(from.x, 0)));
-}
-
-template<> EIGEN_STRONG_INLINE Packet8h pload<Packet8h>(const Eigen::half* from) {
- Packet8h result;
- result.x = _mm_load_si128(reinterpret_cast<const __m128i*>(from));
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Packet8h ploadu<Packet8h>(const Eigen::half* from) {
- Packet8h result;
- result.x = _mm_loadu_si128(reinterpret_cast<const __m128i*>(from));
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE void pstore<Eigen::half>(Eigen::half* to, const Packet8h& from) {
- _mm_store_si128(reinterpret_cast<__m128i*>(to), from.x);
-}
-
-template<> EIGEN_STRONG_INLINE void pstoreu<Eigen::half>(Eigen::half* to, const Packet8h& from) {
- _mm_storeu_si128(reinterpret_cast<__m128i*>(to), from.x);
-}
-
-template<> EIGEN_STRONG_INLINE Packet8h
-ploadquad<Packet8h>(const Eigen::half* from) {
- Packet8h result;
- unsigned short a = from[0].x;
- unsigned short b = from[1].x;
- result.x = _mm_set_epi16(b, b, b, b, a, a, a, a);
- return result;
-}
-
-EIGEN_STRONG_INLINE Packet8f half2float(const Packet8h& a) {
-#ifdef EIGEN_HAS_FP16_C
- return _mm256_cvtph_ps(a.x);
-#else
- EIGEN_ALIGN32 Eigen::half aux[8];
- pstore(aux, a);
- float f0(aux[0]);
- float f1(aux[1]);
- float f2(aux[2]);
- float f3(aux[3]);
- float f4(aux[4]);
- float f5(aux[5]);
- float f6(aux[6]);
- float f7(aux[7]);
-
- return _mm256_set_ps(f7, f6, f5, f4, f3, f2, f1, f0);
-#endif
-}
-
-EIGEN_STRONG_INLINE Packet8h float2half(const Packet8f& a) {
-#ifdef EIGEN_HAS_FP16_C
- Packet8h result;
- result.x = _mm256_cvtps_ph(a, _MM_FROUND_TO_NEAREST_INT|_MM_FROUND_NO_EXC);
- return result;
-#else
- EIGEN_ALIGN32 float aux[8];
- pstore(aux, a);
- Eigen::half h0(aux[0]);
- Eigen::half h1(aux[1]);
- Eigen::half h2(aux[2]);
- Eigen::half h3(aux[3]);
- Eigen::half h4(aux[4]);
- Eigen::half h5(aux[5]);
- Eigen::half h6(aux[6]);
- Eigen::half h7(aux[7]);
-
- Packet8h result;
- result.x = _mm_set_epi16(h7.x, h6.x, h5.x, h4.x, h3.x, h2.x, h1.x, h0.x);
- return result;
-#endif
-}
-
-template<> EIGEN_STRONG_INLINE Packet8h pconj(const Packet8h& a) { return a; }
-
-template<> EIGEN_STRONG_INLINE Packet8h padd<Packet8h>(const Packet8h& a, const Packet8h& b) {
- Packet8f af = half2float(a);
- Packet8f bf = half2float(b);
- Packet8f rf = padd(af, bf);
- return float2half(rf);
-}
-
-template<> EIGEN_STRONG_INLINE Packet8h pmul<Packet8h>(const Packet8h& a, const Packet8h& b) {
- Packet8f af = half2float(a);
- Packet8f bf = half2float(b);
- Packet8f rf = pmul(af, bf);
- return float2half(rf);
-}
-
-template<> EIGEN_STRONG_INLINE Packet8h pgather<Eigen::half, Packet8h>(const Eigen::half* from, Index stride)
-{
- Packet8h result;
- result.x = _mm_set_epi16(from[7*stride].x, from[6*stride].x, from[5*stride].x, from[4*stride].x, from[3*stride].x, from[2*stride].x, from[1*stride].x, from[0*stride].x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE void pscatter<Eigen::half, Packet8h>(Eigen::half* to, const Packet8h& from, Index stride)
-{
- EIGEN_ALIGN32 Eigen::half aux[8];
- pstore(aux, from);
- to[stride*0].x = aux[0].x;
- to[stride*1].x = aux[1].x;
- to[stride*2].x = aux[2].x;
- to[stride*3].x = aux[3].x;
- to[stride*4].x = aux[4].x;
- to[stride*5].x = aux[5].x;
- to[stride*6].x = aux[6].x;
- to[stride*7].x = aux[7].x;
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half predux<Packet8h>(const Packet8h& a) {
- Packet8f af = half2float(a);
- float reduced = predux<Packet8f>(af);
- return Eigen::half(reduced);
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half predux_max<Packet8h>(const Packet8h& a) {
- Packet8f af = half2float(a);
- float reduced = predux_max<Packet8f>(af);
- return Eigen::half(reduced);
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half predux_min<Packet8h>(const Packet8h& a) {
- Packet8f af = half2float(a);
- float reduced = predux_min<Packet8f>(af);
- return Eigen::half(reduced);
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half predux_mul<Packet8h>(const Packet8h& a) {
- Packet8f af = half2float(a);
- float reduced = predux_mul<Packet8f>(af);
- return Eigen::half(reduced);
-}
-
-EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<Packet8h,8>& kernel) {
- __m128i a = kernel.packet[0].x;
- __m128i b = kernel.packet[1].x;
- __m128i c = kernel.packet[2].x;
- __m128i d = kernel.packet[3].x;
- __m128i e = kernel.packet[4].x;
- __m128i f = kernel.packet[5].x;
- __m128i g = kernel.packet[6].x;
- __m128i h = kernel.packet[7].x;
-
- __m128i a03b03 = _mm_unpacklo_epi16(a, b);
- __m128i c03d03 = _mm_unpacklo_epi16(c, d);
- __m128i e03f03 = _mm_unpacklo_epi16(e, f);
- __m128i g03h03 = _mm_unpacklo_epi16(g, h);
- __m128i a47b47 = _mm_unpackhi_epi16(a, b);
- __m128i c47d47 = _mm_unpackhi_epi16(c, d);
- __m128i e47f47 = _mm_unpackhi_epi16(e, f);
- __m128i g47h47 = _mm_unpackhi_epi16(g, h);
-
- __m128i a01b01c01d01 = _mm_unpacklo_epi32(a03b03, c03d03);
- __m128i a23b23c23d23 = _mm_unpackhi_epi32(a03b03, c03d03);
- __m128i e01f01g01h01 = _mm_unpacklo_epi32(e03f03, g03h03);
- __m128i e23f23g23h23 = _mm_unpackhi_epi32(e03f03, g03h03);
- __m128i a45b45c45d45 = _mm_unpacklo_epi32(a47b47, c47d47);
- __m128i a67b67c67d67 = _mm_unpackhi_epi32(a47b47, c47d47);
- __m128i e45f45g45h45 = _mm_unpacklo_epi32(e47f47, g47h47);
- __m128i e67f67g67h67 = _mm_unpackhi_epi32(e47f47, g47h47);
-
- __m128i a0b0c0d0e0f0g0h0 = _mm_unpacklo_epi64(a01b01c01d01, e01f01g01h01);
- __m128i a1b1c1d1e1f1g1h1 = _mm_unpackhi_epi64(a01b01c01d01, e01f01g01h01);
- __m128i a2b2c2d2e2f2g2h2 = _mm_unpacklo_epi64(a23b23c23d23, e23f23g23h23);
- __m128i a3b3c3d3e3f3g3h3 = _mm_unpackhi_epi64(a23b23c23d23, e23f23g23h23);
- __m128i a4b4c4d4e4f4g4h4 = _mm_unpacklo_epi64(a45b45c45d45, e45f45g45h45);
- __m128i a5b5c5d5e5f5g5h5 = _mm_unpackhi_epi64(a45b45c45d45, e45f45g45h45);
- __m128i a6b6c6d6e6f6g6h6 = _mm_unpacklo_epi64(a67b67c67d67, e67f67g67h67);
- __m128i a7b7c7d7e7f7g7h7 = _mm_unpackhi_epi64(a67b67c67d67, e67f67g67h67);
-
- kernel.packet[0].x = a0b0c0d0e0f0g0h0;
- kernel.packet[1].x = a1b1c1d1e1f1g1h1;
- kernel.packet[2].x = a2b2c2d2e2f2g2h2;
- kernel.packet[3].x = a3b3c3d3e3f3g3h3;
- kernel.packet[4].x = a4b4c4d4e4f4g4h4;
- kernel.packet[5].x = a5b5c5d5e5f5g5h5;
- kernel.packet[6].x = a6b6c6d6e6f6g6h6;
- kernel.packet[7].x = a7b7c7d7e7f7g7h7;
-}
-
-EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<Packet8h,4>& kernel) {
- EIGEN_ALIGN32 Eigen::half in[4][8];
- pstore<Eigen::half>(in[0], kernel.packet[0]);
- pstore<Eigen::half>(in[1], kernel.packet[1]);
- pstore<Eigen::half>(in[2], kernel.packet[2]);
- pstore<Eigen::half>(in[3], kernel.packet[3]);
-
- EIGEN_ALIGN32 Eigen::half out[4][8];
-
- for (int i = 0; i < 4; ++i) {
- for (int j = 0; j < 4; ++j) {
- out[i][j] = in[j][2*i];
- }
- for (int j = 0; j < 4; ++j) {
- out[i][j+4] = in[j][2*i+1];
- }
- }
-
- kernel.packet[0] = pload<Packet8h>(out[0]);
- kernel.packet[1] = pload<Packet8h>(out[1]);
- kernel.packet[2] = pload<Packet8h>(out[2]);
- kernel.packet[3] = pload<Packet8h>(out[3]);
-}
-
-
-// Disable the following code since it's broken on too many platforms / compilers.
-//#elif defined(EIGEN_VECTORIZE_SSE) && (!EIGEN_ARCH_x86_64) && (!EIGEN_COMP_MSVC)
-#elif 0
-
-typedef struct {
- __m64 x;
-} Packet4h;
-
-
-template<> struct is_arithmetic<Packet4h> { enum { value = true }; };
-
-template <>
-struct packet_traits<Eigen::half> : default_packet_traits {
- typedef Packet4h type;
- // There is no half-size packet for Packet4h.
- typedef Packet4h half;
- enum {
- Vectorizable = 1,
- AlignedOnScalar = 1,
- size = 4,
- HasHalfPacket = 0,
- HasAdd = 0,
- HasSub = 0,
- HasMul = 0,
- HasNegate = 0,
- HasAbs = 0,
- HasAbs2 = 0,
- HasMin = 0,
- HasMax = 0,
- HasConj = 0,
- HasSetLinear = 0,
- HasDiv = 0,
- HasSqrt = 0,
- HasRsqrt = 0,
- HasExp = 0,
- HasLog = 0,
- HasBlend = 0
- };
-};
-
-
-template<> struct unpacket_traits<Packet4h> { typedef Eigen::half type; enum {size=4, alignment=Aligned16}; typedef Packet4h half; };
-
-template<> EIGEN_STRONG_INLINE Packet4h pset1<Packet4h>(const Eigen::half& from) {
- Packet4h result;
- result.x = _mm_set1_pi16(from.x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Eigen::half pfirst<Packet4h>(const Packet4h& from) {
- return half_impl::raw_uint16_to_half(static_cast<unsigned short>(_mm_cvtsi64_si32(from.x)));
-}
-
-template<> EIGEN_STRONG_INLINE Packet4h pconj(const Packet4h& a) { return a; }
-
-template<> EIGEN_STRONG_INLINE Packet4h padd<Packet4h>(const Packet4h& a, const Packet4h& b) {
- __int64_t a64 = _mm_cvtm64_si64(a.x);
- __int64_t b64 = _mm_cvtm64_si64(b.x);
-
- Eigen::half h[4];
-
- Eigen::half ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64));
- Eigen::half hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64));
- h[0] = ha + hb;
- ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64 >> 16));
- hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64 >> 16));
- h[1] = ha + hb;
- ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64 >> 32));
- hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64 >> 32));
- h[2] = ha + hb;
- ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64 >> 48));
- hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64 >> 48));
- h[3] = ha + hb;
- Packet4h result;
- result.x = _mm_set_pi16(h[3].x, h[2].x, h[1].x, h[0].x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Packet4h pmul<Packet4h>(const Packet4h& a, const Packet4h& b) {
- __int64_t a64 = _mm_cvtm64_si64(a.x);
- __int64_t b64 = _mm_cvtm64_si64(b.x);
-
- Eigen::half h[4];
-
- Eigen::half ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64));
- Eigen::half hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64));
- h[0] = ha * hb;
- ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64 >> 16));
- hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64 >> 16));
- h[1] = ha * hb;
- ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64 >> 32));
- hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64 >> 32));
- h[2] = ha * hb;
- ha = half_impl::raw_uint16_to_half(static_cast<unsigned short>(a64 >> 48));
- hb = half_impl::raw_uint16_to_half(static_cast<unsigned short>(b64 >> 48));
- h[3] = ha * hb;
- Packet4h result;
- result.x = _mm_set_pi16(h[3].x, h[2].x, h[1].x, h[0].x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Packet4h pload<Packet4h>(const Eigen::half* from) {
- Packet4h result;
- result.x = _mm_cvtsi64_m64(*reinterpret_cast<const __int64_t*>(from));
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE Packet4h ploadu<Packet4h>(const Eigen::half* from) {
- Packet4h result;
- result.x = _mm_cvtsi64_m64(*reinterpret_cast<const __int64_t*>(from));
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE void pstore<Eigen::half>(Eigen::half* to, const Packet4h& from) {
- __int64_t r = _mm_cvtm64_si64(from.x);
- *(reinterpret_cast<__int64_t*>(to)) = r;
-}
-
-template<> EIGEN_STRONG_INLINE void pstoreu<Eigen::half>(Eigen::half* to, const Packet4h& from) {
- __int64_t r = _mm_cvtm64_si64(from.x);
- *(reinterpret_cast<__int64_t*>(to)) = r;
-}
-
-template<> EIGEN_STRONG_INLINE Packet4h
-ploadquad<Packet4h>(const Eigen::half* from) {
- return pset1<Packet4h>(*from);
-}
-
-template<> EIGEN_STRONG_INLINE Packet4h pgather<Eigen::half, Packet4h>(const Eigen::half* from, Index stride)
-{
- Packet4h result;
- result.x = _mm_set_pi16(from[3*stride].x, from[2*stride].x, from[1*stride].x, from[0*stride].x);
- return result;
-}
-
-template<> EIGEN_STRONG_INLINE void pscatter<Eigen::half, Packet4h>(Eigen::half* to, const Packet4h& from, Index stride)
-{
- __int64_t a = _mm_cvtm64_si64(from.x);
- to[stride*0].x = static_cast<unsigned short>(a);
- to[stride*1].x = static_cast<unsigned short>(a >> 16);
- to[stride*2].x = static_cast<unsigned short>(a >> 32);
- to[stride*3].x = static_cast<unsigned short>(a >> 48);
-}
-
-EIGEN_STRONG_INLINE void
-ptranspose(PacketBlock<Packet4h,4>& kernel) {
- __m64 T0 = _mm_unpacklo_pi16(kernel.packet[0].x, kernel.packet[1].x);
- __m64 T1 = _mm_unpacklo_pi16(kernel.packet[2].x, kernel.packet[3].x);
- __m64 T2 = _mm_unpackhi_pi16(kernel.packet[0].x, kernel.packet[1].x);
- __m64 T3 = _mm_unpackhi_pi16(kernel.packet[2].x, kernel.packet[3].x);
-
- kernel.packet[0].x = _mm_unpacklo_pi32(T0, T1);
- kernel.packet[1].x = _mm_unpackhi_pi32(T0, T1);
- kernel.packet[2].x = _mm_unpacklo_pi32(T2, T3);
- kernel.packet[3].x = _mm_unpackhi_pi32(T2, T3);
-}
-
-#endif
-
-}
-}
-
-#endif // EIGEN_PACKET_MATH_HALF_CUDA_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 23:23:01 +0000