Commit de20e578 authored by Andreas Marek's avatar Andreas Marek

Single precision complex block2 AVX-512 kernel

parent d6867ff5
......@@ -265,9 +265,9 @@ endif
if WITH_COMPLEX_AVX512_BLOCK2_KERNEL
libelpa@SUFFIX@_private_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_avx512_2hv_double_precision.c
#if WANT_SINGLE_PRECISION_COMPLEX
# libelpa@SUFFIX@_private_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_avx512_2hv_single_precision.c
#endif
if WANT_SINGLE_PRECISION_COMPLEX
libelpa@SUFFIX@_private_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_avx512_2hv_single_precision.c
endif
endif
.cu.lo:
......
......@@ -42,8 +42,23 @@
// any derivatives of ELPA under the same license that we chose for
// the original distribution, the GNU Lesser General Public License.
//
// Author: Andreas Marek, MPCDF, based on the double precision case of A. Heinecke
//
// --------------------------------------------------------------------------------------------------
//
// This file contains the compute intensive kernels for the Householder transformations.
// It should be compiled with the highest possible optimization level.
//
// On Intel Nehalem or Intel Westmere or AMD Magny Cours use -O3 -msse3
// On Intel Sandy Bridge use -O3 -mavx
//
// Copyright of the original code rests with the authors inside the ELPA
// consortium. The copyright of any additional modifications shall rest
// with their original authors, but shall adhere to the licensing terms
// distributed along with the original code in the file "COPYING".
//
// Author: Alexander Heinecke (alexander.heinecke@mytum.de)
// Adapted for building a shared-library by Andreas Marek, MPCDF (andreas.marek@mpcdf.mpg.de)
// --------------------------------------------------------------------------------------------------
#include "config-f90.h"
#include <complex.h>
......@@ -51,44 +66,37 @@
#define __forceinline __attribute__((always_inline))
#ifdef HAVE_AVX2
#ifdef HAVE_AVX512
#ifdef __FMA4__
#define __ELPA_USE_FMA__
#define _mm256_FMADDSUB_ps(a,b,c) _mm256_maddsub_ps(a,b,c)
#define _mm256_FMSUBADD_ps(a,b,c) _mm256_msubadd_ps(a,b,c)
#define _mm512_FMADDSUB_ps(a,b,c) _mm512_fmaddsub_ps(a,b,c)
#define _mm512_FMSUBADD_ps(a,b,c) _mm512_fmsubadd_ps(a,b,c)
#endif
#ifdef __AVX2__
#define __ELPA_USE_FMA__
#define _mm256_FMADDSUB_ps(a,b,c) _mm256_fmaddsub_ps(a,b,c)
#define _mm256_FMSUBADD_ps(a,b,c) _mm256_fmsubadd_ps(a,b,c)
#endif
#endif
//Forward declaration
static __forceinline void hh_trafo_complex_kernel_8_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s, float complex s1);
//static __forceinline void hh_trafo_complex_kernel_6_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s, float complex s1);
static __forceinline void hh_trafo_complex_kernel_4_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s, float complex s1);
//static __forceinline void hh_trafo_complex_kernel_2_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s, float complex s1);
static __forceinline void hh_trafo_complex_kernel_16_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s);
static __forceinline void hh_trafo_complex_kernel_8_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s);
//static __forceinline void hh_trafo_complex_kernel_6_AVX_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s);
//static __forceinline void hh_trafo_complex_kernel_4_AVX_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s);
//static __forceinline void hh_trafo_complex_kernel_2_AVX_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s);
/*
!f>#ifdef HAVE_AVX512
!f>#if defined(HAVE_AVX512)
!f> interface
!f> subroutine double_hh_trafo_complex_avx512_2hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f> bind(C, name="double_hh_trafo_complex_avx512_2hv_single")
!f> subroutine float_hh_trafo_complex_avx512_2hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f> bind(C, name="float_hh_trafo_complex_avx_avx2_2hv_single")
!f> use, intrinsic :: iso_c_binding
!f> integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f> complex(kind=c_float) :: q(*)
!f> complex(kind=c_float) :: hh(pnb,2)
!f> complex(kind=c_single) :: q(*)
!f> complex(kind=c_single) :: hh(pnb,2)
!f> end subroutine
!f> end interface
!f>#endif
*/
void double_hh_trafo_complex_avx512_2hv_single(float complex* q, float complex* hh, int* pnb, int* pnq, int* pldq, int* pldh)
void float_hh_trafo_complex_avx512_2hv_single(float complex* q, float complex* hh, int* pnb, int* pnq, int* pldq, int* pldh)
{
int i;
int nb = *pnb;
......@@ -96,736 +104,571 @@ void double_hh_trafo_complex_avx512_2hv_single(float complex* q, float complex*
int ldq = *pldq;
int ldh = *pldh;
float complex s = conj(hh[(ldh)+1])*1.0f;
float complex s = conj(hh[(ldh)+1])*1.0;
for (i = 2; i < nb; i++)
{
s += hh[i-1] * conj(hh[(i+ldh)]);
}
for (i = 0; i < nq-4; i+=8)
for (i = 0; i < nq-16; i+=32)
{
hh_trafo_complex_kernel_32_AVX512_2hv_single(&q[i], hh, nb, ldq, ldh, s);
}
if (nq == i)
{
hh_trafo_complex_kernel_8_AVX512_2hv_single(&q[i], hh, nb, ldq, ldh, s , s);
return;
}
if (nq-i > 0)
{
hh_trafo_complex_kernel_4_AVX512_2hv_single(&q[i], hh, nb, ldq, ldh, s, s);
hh_trafo_complex_kernel_16_AVX512_2hv_single(&q[i], hh, nb, ldq, ldh, s);
}
}
static __forceinline void hh_trafo_complex_kernel_8_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s, float complex s1)
static __forceinline void hh_trafo_complex_kernel_32_AVX512_2hv_single(float complex* q, float complex* hh, int nb, int ldq, int ldh, float complex s)
{
float* q_dbl = (float*)q;
float* hh_dbl = (float*)hh;
float* s_dbl = (float*)(&s);
__m256 x1, x2, x3, x4;
__m256 y1, y2, y3, y4;
__m256 q1, q2, q3, q4;
__m256 h1_real, h1_imag, h2_real, h2_imag;
__m256 tmp1, tmp2, tmp3, tmp4;
volatile int i=0;
__m256 sign = (__m256)_mm256_set_epi32(0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000);
x1 = _mm256_load_ps(&q_dbl[(2*ldq)+0]);
x2 = _mm256_load_ps(&q_dbl[(2*ldq)+8]);
// x3 = _mm256_load_ps(&q_dbl[(2*ldq)+8]);
// x4 = _mm256_load_ps(&q_dbl[(2*ldq)+12]);
h2_real = _mm256_broadcast_ss(&hh_dbl[(ldh+1)*2]);
h2_imag = _mm256_broadcast_ss(&hh_dbl[((ldh+1)*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h2_imag = _mm256_xor_ps(h2_imag, sign);
#endif
__m512 x1, x2, x3, x4;
__m512 y1, y2, y3, y4;
__m512 q1, q2, q3, q4;
__m512 h1_real, h1_imag, h2_real, h2_imag;
__m512 tmp1, tmp2, tmp3, tmp4;
int i=0;
y1 = _mm256_load_ps(&q_dbl[0]);
y2 = _mm256_load_ps(&q_dbl[8]);
// y3 = _mm256_load_pd(&q_dbl[8]);
// y4 = _mm256_load_pd(&q_dbl[12]);
__m512 sign = (__m512)_mm512_set1_epi32(0x80000000);
tmp1 = _mm256_mul_ps(h2_imag, x1);
#ifdef __ELPA_USE_FMA__
y1 = _mm256_add_ps(y1, _mm256_FMSUBADD_ps(h2_real, x1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#else
y1 = _mm256_add_ps(y1, _mm256_addsub_ps( _mm256_mul_ps(h2_real, x1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#endif
tmp2 = _mm256_mul_ps(h2_imag, x2);
#ifdef __ELPA_USE_FMA__
y2 = _mm256_add_ps(y2, _mm256_FMSUBADD_ps(h2_real, x2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#else
y2 = _mm256_add_ps(y2, _mm256_addsub_ps( _mm256_mul_ps(h2_real, x2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#endif
// tmp3 = _mm256_mul_pd(h2_imag, x3);
#ifdef __ELPA_USE_FMA__
// y3 = _mm256_add_pd(y3, _mm256_FMSUBADD_pd(h2_real, x3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#else
// y3 = _mm256_add_pd(y3, _mm256_addsub_pd( _mm256_mul_pd(h2_real, x3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#endif
// tmp4 = _mm256_mul_pd(h2_imag, x4);
#ifdef __ELPA_USE_FMA__
// y4 = _mm256_add_pd(y4, _mm256_FMSUBADD_pd(h2_real, x4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#else
// y4 = _mm256_add_pd(y4, _mm256_addsub_pd( _mm256_mul_pd(h2_real, x4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#endif
x1 = _mm512_load_ps(&q_dbl[(2*ldq)+0]); // complex 1, 2, 3, 4, 5, 6, 7, 8
x2 = _mm512_load_ps(&q_dbl[(2*ldq)+16]); // complex 9 .. 16
x3 = _mm512_load_ps(&q_dbl[(2*ldq)+32]);
x4 = _mm512_load_ps(&q_dbl[(2*ldq)+48]); // complex 25 .. 32
h2_real = _mm512_set1_ps(hh_dbl[(ldh+1)*2]);
h2_imag = _mm512_set1_ps(hh_dbl[((ldh+1)*2)+1]);
y1 = _mm512_load_ps(&q_dbl[0]);
y2 = _mm512_load_ps(&q_dbl[16]);
y3 = _mm512_load_ps(&q_dbl[32]);
y4 = _mm512_load_ps(&q_dbl[48]);
tmp1 = _mm512_mul_ps(h2_imag, x1);
y1 = _mm512_add_ps(y1, _mm512_FMSUBADD_ps(h2_real, x1, _mm512_shuffle_ps(tmp1, tmp1, 0xb1)));
tmp2 = _mm512_mul_ps(h2_imag, x2);
y2 = _mm512_add_ps(y2, _mm512_FMSUBADD_ps(h2_real, x2, _mm512_shuffle_ps(tmp2, tmp2, 0xb1)));
tmp3 = _mm512_mul_ps(h2_imag, x3);
y3 = _mm512_add_ps(y3, _mm512_FMSUBADD_ps(h2_real, x3, _mm512_shuffle_ps(tmp3, tmp3, 0xb1)));
tmp4 = _mm512_mul_ps(h2_imag, x4);
y4 = _mm512_add_ps(y4, _mm512_FMSUBADD_ps(h2_real, x4, _mm512_shuffle_ps(tmp4, tmp4, 0xb1)));
for (i = 2; i < nb; i++)
{
q1 = _mm256_load_ps(&q_dbl[(2*i*ldq)+0]);
q2 = _mm256_load_ps(&q_dbl[(2*i*ldq)+8]);
// q3 = _mm256_load_pd(&q_dbl[(2*i*ldq)+8]);
// q4 = _mm256_load_pd(&q_dbl[(2*i*ldq)+12]);
h1_real = _mm256_broadcast_ss(&hh_dbl[(i-1)*2]);
h1_imag = _mm256_broadcast_ss(&hh_dbl[((i-1)*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm256_xor_ps(h1_imag, sign);
#endif
q1 = _mm512_load_ps(&q_dbl[(2*i*ldq)+0]);
q2 = _mm512_load_ps(&q_dbl[(2*i*ldq)+16]);
q3 = _mm512_load_ps(&q_dbl[(2*i*ldq)+32]);
q4 = _mm512_load_ps(&q_dbl[(2*i*ldq)+48]);
tmp1 = _mm256_mul_ps(h1_imag, q1);
#ifdef __ELPA_USE_FMA__
x1 = _mm256_add_ps(x1, _mm256_FMSUBADD_ps(h1_real, q1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#else
x1 = _mm256_add_ps(x1, _mm256_addsub_ps( _mm256_mul_ps(h1_real, q1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#endif
tmp2 = _mm256_mul_ps(h1_imag, q2);
#ifdef __ELPA_USE_FMA__
x2 = _mm256_add_ps(x2, _mm256_FMSUBADD_ps(h1_real, q2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#else
x2 = _mm256_add_ps(x2, _mm256_addsub_ps( _mm256_mul_ps(h1_real, q2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#endif
// tmp3 = _mm256_mul_pd(h1_imag, q3);
#ifdef __ELPA_USE_FMA__
// x3 = _mm256_add_pd(x3, _mm256_FMSUBADD_pd(h1_real, q3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#else
// x3 = _mm256_add_pd(x3, _mm256_addsub_pd( _mm256_mul_pd(h1_real, q3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#endif
// tmp4 = _mm256_mul_pd(h1_imag, q4);
#ifdef __ELPA_USE_FMA__
// x4 = _mm256_add_pd(x4, _mm256_FMSUBADD_pd(h1_real, q4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#else
// x4 = _mm256_add_pd(x4, _mm256_addsub_pd( _mm256_mul_pd(h1_real, q4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#endif
h1_real = _mm512_set1_ps(hh_dbl[(i-1)*2]);
h1_imag = _mm512_set1_ps(hh_dbl[((i-1)*2)+1]);
h2_real = _mm256_broadcast_ss(&hh_dbl[(ldh+i)*2]);
h2_imag = _mm256_broadcast_ss(&hh_dbl[((ldh+i)*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h2_imag = _mm256_xor_ps(h2_imag, sign);
#endif
tmp1 = _mm512_mul_ps(h1_imag, q1);
tmp1 = _mm256_mul_ps(h2_imag, q1);
#ifdef __ELPA_USE_FMA__
y1 = _mm256_add_ps(y1, _mm256_FMSUBADD_ps(h2_real, q1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#else
y1 = _mm256_add_ps(y1, _mm256_addsub_ps( _mm256_mul_ps(h2_real, q1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#endif
tmp2 = _mm256_mul_ps(h2_imag, q2);
#ifdef __ELPA_USE_FMA__
y2 = _mm256_add_ps(y2, _mm256_FMSUBADD_ps(h2_real, q2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#else
y2 = _mm256_add_ps(y2, _mm256_addsub_ps( _mm256_mul_ps(h2_real, q2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#endif
// tmp3 = _mm256_mul_pd(h2_imag, q3);
#ifdef __ELPA_USE_FMA__
// y3 = _mm256_add_pd(y3, _mm256_FMSUBADD_pd(h2_real, q3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#else
// y3 = _mm256_add_pd(y3, _mm256_addsub_pd( _mm256_mul_pd(h2_real, q3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#endif
// tmp4 = _mm256_mul_pd(h2_imag, q4);
#ifdef __ELPA_USE_FMA__
// y4 = _mm256_add_pd(y4, _mm256_FMSUBADD_pd(h2_real, q4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#else
// y4 = _mm256_add_pd(y4, _mm256_addsub_pd( _mm256_mul_pd(h2_real, q4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#endif
x1 = _mm512_add_ps(x1, _mm512_FMSUBADD_ps(h1_real, q1, _mm512_shuffle_ps(tmp1, tmp1, 0xb1)));
tmp2 = _mm512_mul_ps(h1_imag, q2);
x2 = _mm512_add_ps(x2, _mm512_FMSUBADD_ps(h1_real, q2, _mm512_shuffle_ps(tmp2, tmp2, 0xb1)));
tmp3 = _mm512_mul_ps(h1_imag, q3);
x3 = _mm512_add_ps(x3, _mm512_FMSUBADD_ps(h1_real, q3, _mm512_shuffle_ps(tmp3, tmp3, 0xb1)));
tmp4 = _mm512_mul_ps(h1_imag, q4);
x4 = _mm512_add_ps(x4, _mm512_FMSUBADD_ps(h1_real, q4, _mm512_shuffle_ps(tmp4, tmp4, 0xb1)));
h2_real = _mm512_set1_ps(hh_dbl[(ldh+i)*2]);
h2_imag = _mm512_set1_ps(hh_dbl[((ldh+i)*2)+1]);
tmp1 = _mm512_mul_ps(h2_imag, q1);
y1 = _mm512_add_ps(y1, _mm512_FMSUBADD_ps(h2_real, q1, _mm512_shuffle_ps(tmp1, tmp1, 0xb1)));
tmp2 = _mm512_mul_ps(h2_imag, q2);
y2 = _mm512_add_ps(y2, _mm512_FMSUBADD_ps(h2_real, q2, _mm512_shuffle_ps(tmp2, tmp2, 0xb1)));
tmp3 = _mm512_mul_ps(h2_imag, q3);
y3 = _mm512_add_ps(y3, _mm512_FMSUBADD_ps(h2_real, q3, _mm512_shuffle_ps(tmp3, tmp3, 0xb1)));
tmp4 = _mm512_mul_ps(h2_imag, q4);
y4 = _mm512_add_ps(y4, _mm512_FMSUBADD_ps(h2_real, q4, _mm512_shuffle_ps(tmp4, tmp4, 0xb1)));
}
h1_real = _mm256_broadcast_ss(&hh_dbl[(nb-1)*2]);
h1_imag = _mm256_broadcast_ss(&hh_dbl[((nb-1)*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm256_xor_ps(h1_imag, sign);
#endif
h1_real = _mm512_set1_ps(hh_dbl[(nb-1)*2]);
h1_imag = _mm512_set1_ps(hh_dbl[((nb-1)*2)+1]);
q1 = _mm256_load_ps(&q_dbl[(2*nb*ldq)+0]);
q2 = _mm256_load_ps(&q_dbl[(2*nb*ldq)+8]);
// q3 = _mm256_load_pd(&q_dbl[(2*nb*ldq)+8]);
// q4 = _mm256_load_pd(&q_dbl[(2*nb*ldq)+12]);
q1 = _mm512_load_ps(&q_dbl[(2*nb*ldq)+0]);
q2 = _mm512_load_ps(&q_dbl[(2*nb*ldq)+16]);
q3 = _mm512_load_ps(&q_dbl[(2*nb*ldq)+32]);
q4 = _mm512_load_ps(&q_dbl[(2*nb*ldq)+48]);
tmp1 = _mm256_mul_ps(h1_imag, q1);
#ifdef __ELPA_USE_FMA__
x1 = _mm256_add_ps(x1, _mm256_FMSUBADD_ps(h1_real, q1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#else
x1 = _mm256_add_ps(x1, _mm256_addsub_ps( _mm256_mul_ps(h1_real, q1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#endif
tmp2 = _mm256_mul_ps(h1_imag, q2);
#ifdef __ELPA_USE_FMA__
x2 = _mm256_add_ps(x2, _mm256_FMSUBADD_ps(h1_real, q2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#else
x2 = _mm256_add_ps(x2, _mm256_addsub_ps( _mm256_mul_ps(h1_real, q2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#endif
// tmp3 = _mm256_mul_pd(h1_imag, q3);
#ifdef __ELPA_USE_FMA__
// x3 = _mm256_add_pd(x3, _mm256_FMSUBADD_pd(h1_real, q3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#else
// x3 = _mm256_add_pd(x3, _mm256_addsub_pd( _mm256_mul_pd(h1_real, q3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#endif
// tmp4 = _mm256_mul_pd(h1_imag, q4);
#ifdef __ELPA_USE_FMA__
// x4 = _mm256_add_pd(x4, _mm256_FMSUBADD_pd(h1_real, q4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#else
// x4 = _mm256_add_pd(x4, _mm256_addsub_pd( _mm256_mul_pd(h1_real, q4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#endif
tmp1 = _mm512_mul_ps(h1_imag, q1);
h1_real = _mm256_broadcast_ss(&hh_dbl[0]);
h1_imag = _mm256_broadcast_ss(&hh_dbl[1]);
h1_real = _mm256_xor_ps(h1_real, sign);
h1_imag = _mm256_xor_ps(h1_imag, sign);
x1 = _mm512_add_ps(x1, _mm512_FMSUBADD_ps(h1_real, q1, _mm512_shuffle_ps(tmp1, tmp1, 0xb1)));
tmp1 = _mm256_mul_ps(h1_imag, x1);
#ifdef __ELPA_USE_FMA__
x1 = _mm256_FMADDSUB_ps(h1_real, x1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1));
#else
x1 = _mm256_addsub_ps( _mm256_mul_ps(h1_real, x1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1));
#endif
tmp2 = _mm256_mul_ps(h1_imag, x2);
#ifdef __ELPA_USE_FMA__
x2 = _mm256_FMADDSUB_ps(h1_real, x2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1));
#else
x2 = _mm256_addsub_ps( _mm256_mul_ps(h1_real, x2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1));
#endif
// tmp3 = _mm256_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
// x3 = _mm256_FMADDSUB_pd(h1_real, x3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1));
#else
// x3 = _mm256_addsub_pd( _mm256_mul_pd(h1_real, x3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1));
#endif
// tmp4 = _mm256_mul_pd(h1_imag, x4);
#ifdef __ELPA_USE_FMA__
// x4 = _mm256_FMADDSUB_pd(h1_real, x4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1));
#else
// x4 = _mm256_addsub_pd( _mm256_mul_pd(h1_real, x4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1));
#endif
tmp2 = _mm512_mul_ps(h1_imag, q2);
h1_real = _mm256_broadcast_ss(&hh_dbl[ldh*2]);
h1_imag = _mm256_broadcast_ss(&hh_dbl[(ldh*2)+1]);
h2_real = _mm256_broadcast_ss(&hh_dbl[ldh*2]);
h2_imag = _mm256_broadcast_ss(&hh_dbl[(ldh*2)+1]);
h1_real = _mm256_xor_ps(h1_real, sign);
h1_imag = _mm256_xor_ps(h1_imag, sign);
h2_real = _mm256_xor_ps(h2_real, sign);
h2_imag = _mm256_xor_ps(h2_imag, sign);
//carefull here
// __m128u tmp_s_128 = _mm_loadu_pd(s_dbl); // load 1 complex value (2 double, i.e. 16 bytes)
__m128 tmp_s_128 = _mm_loadu_ps(s_dbl);
// tmp2 = _mm256_broadcast_pd(&tmp_s_128); // broad cast the 1 complex , i.e. double it
tmp2 = _mm256_broadcast_ps(&tmp_s_128); // broad cast the 1 complex , i.e. double it
tmp1 = _mm256_mul_ps(h2_imag, tmp2); // multiply hh2_img with the complex
#ifdef __ELPA_USE_FMA__
tmp2 = _mm256_FMADDSUB_ps(h2_real, tmp2, _mm256_shuffle_ps(tmp1, tmp1, 0xb1));
#else
tmp2 = _mm256_addsub_ps( _mm256_mul_ps(h2_real, tmp2), _mm256_shuffle_ps(tmp1, tmp1, 0xb1));
#endif
//careful here
// _mm_storeu_pd(s_dbl, _mm256_castpd256_pd128(tmp2));
_mm_storeu_ps(s_dbl, _mm256_castps256_ps128(tmp2));
h2_real = _mm256_broadcast_ss(&s_dbl[0]);
h2_imag = _mm256_broadcast_ss(&s_dbl[1]);
tmp1 = _mm256_mul_ps(h1_imag, y1);
#ifdef __ELPA_USE_FMA__
y1 = _mm256_FMADDSUB_ps(h1_real, y1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1));
#else
y1 = _mm256_addsub_ps( _mm256_mul_ps(h1_real, y1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1));
#endif
tmp2 = _mm256_mul_ps(h1_imag, y2);
#ifdef __ELPA_USE_FMA__
y2 = _mm256_FMADDSUB_ps(h1_real, y2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1));
#else
y2 = _mm256_addsub_ps( _mm256_mul_ps(h1_real, y2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1));
#endif
// tmp3 = _mm256_mul_pd(h1_imag, y3);
#ifdef __ELPA_USE_FMA__
// y3 = _mm256_FMADDSUB_pd(h1_real, y3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1));
#else
// y3 = _mm256_addsub_pd( _mm256_mul_pd(h1_real, y3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1));
#endif
// tmp4 = _mm256_mul_pd(h1_imag, y4);
#ifdef __ELPA_USE_FMA__
// y4 = _mm256_FMADDSUB_pd(h1_real, y4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1));
#else
// y4 = _mm256_addsub_pd( _mm256_mul_pd(h1_real, y4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1));
#endif
x2 = _mm512_add_ps(x2, _mm512_FMSUBADD_ps(h1_real, q2, _mm512_shuffle_ps(tmp2, tmp2, 0xb1)));
tmp1 = _mm256_mul_ps(h2_imag, x1);
#ifdef __ELPA_USE_FMA__
y1 = _mm256_add_ps(y1, _mm256_FMADDSUB_ps(h2_real, x1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#else
y1 = _mm256_add_ps(y1, _mm256_addsub_ps( _mm256_mul_ps(h2_real, x1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#endif
tmp2 = _mm256_mul_ps(h2_imag, x2);
#ifdef __ELPA_USE_FMA__
y2 = _mm256_add_ps(y2, _mm256_FMADDSUB_ps(h2_real, x2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#else
y2 = _mm256_add_ps(y2, _mm256_addsub_ps( _mm256_mul_ps(h2_real, x2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#endif
// tmp3 = _mm256_mul_pd(h2_imag, x3);
#ifdef __ELPA_USE_FMA__
// y3 = _mm256_add_pd(y3, _mm256_FMADDSUB_pd(h2_real, x3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#else
// y3 = _mm256_add_pd(y3, _mm256_addsub_pd( _mm256_mul_pd(h2_real, x3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#endif
// tmp4 = _mm256_mul_pd(h2_imag, x4);
#ifdef __ELPA_USE_FMA__
// y4 = _mm256_add_pd(y4, _mm256_FMADDSUB_pd(h2_real, x4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#else
// y4 = _mm256_add_pd(y4, _mm256_addsub_pd( _mm256_mul_pd(h2_real, x4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#endif
tmp3 = _mm512_mul_ps(h1_imag, q3);
q1 = _mm256_load_ps(&q_dbl[0]);
q2 = _mm256_load_ps(&q_dbl[8]);
// q3 = _mm256_load_pd(&q_dbl[8]);
// q4 = _mm256_load_pd(&q_dbl[12]);
q1 = _mm256_add_ps(q1, y1);
q2 = _mm256_add_ps(q2, y2);
// q3 = _mm256_add_pd(q3, y3);
// q4 = _mm256_add_pd(q4, y4);
_mm256_store_ps(&q_dbl[0], q1);
_mm256_store_ps(&q_dbl[8], q2);
// _mm256_store_pd(&q_dbl[8], q3);
// _mm256_store_pd(&q_dbl[12], q4);
h2_real = _mm256_broadcast_ss(&hh_dbl[(ldh+1)*2]);
h2_imag = _mm256_broadcast_ss(&hh_dbl[((ldh+1)*2)+1]);
q1 = _mm256_load_ps(&q_dbl[(ldq*2)+0]);
q2 = _mm256_load_ps(&q_dbl[(ldq*2)+8]);
// q3 = _mm256_load_pd(&q_dbl[(ldq*2)+8]);
// q4 = _mm256_load_pd(&q_dbl[(ldq*2)+12]);
q1 = _mm256_add_ps(q1, x1);
q2 = _mm256_add_ps(q2, x2);
// q3 = _mm256_add_pd(q3, x3);
// q4 = _mm256_add_pd(q4, x4);
tmp1 = _mm256_mul_ps(h2_imag, y1);
#ifdef __ELPA_USE_FMA__
q1 = _mm256_add_ps(q1, _mm256_FMADDSUB_ps(h2_real, y1, _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#else
q1 = _mm256_add_ps(q1, _mm256_addsub_ps( _mm256_mul_ps(h2_real, y1), _mm256_shuffle_ps(tmp1, tmp1, 0xb1)));
#endif
tmp2 = _mm256_mul_ps(h2_imag, y2);
#ifdef __FMA4_
q2 = _mm256_add_ps(q2, _mm256_FMADDSUB_ps(h2_real, y2, _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#else
q2 = _mm256_add_ps(q2, _mm256_addsub_ps( _mm256_mul_ps(h2_real, y2), _mm256_shuffle_ps(tmp2, tmp2, 0xb1)));
#endif
// tmp3 = _mm256_mul_pd(h2_imag, y3);
#ifdef __ELPA_USE_FMA__
// q3 = _mm256_add_pd(q3, _mm256_FMADDSUB_pd(h2_real, y3, _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#else
// q3 = _mm256_add_pd(q3, _mm256_addsub_pd( _mm256_mul_pd(h2_real, y3), _mm256_shuffle_pd(tmp3, tmp3, 0xb1)));
#endif
// tmp4 = _mm256_mul_pd(h2_imag, y4);
#ifdef __ELPA_USE_FMA__
// q4 = _mm256_add_pd(q4, _mm256_FMADDSUB_pd(h2_real, y4, _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#else
// q4 = _mm256_add_pd(q4, _mm256_addsub_pd( _mm256_mul_pd(h2_real, y4), _mm256_shuffle_pd(tmp4, tmp4, 0xb1)));
#endif
x3 = _mm512_add_ps(x3, _mm512_FMSUBADD_ps(h1_real, q3, _mm512_shuffle_ps(tmp3, tmp3, 0xb1)));
tmp4 = _mm512_mul_ps(h1_imag, q4);
x4 = _mm512_add_ps(x4, _mm512_FMSUBADD_ps(h1_real, q4, _mm512_shuffle_ps(tmp4, tmp4, 0xb1)));
h1_real = _mm512_set1_ps(hh_dbl[0]);
h1_imag = _mm512_set1_ps(hh_dbl[1]);
// h1_real = _mm256_xor_ps(h1_real, sign);
// h1_imag = _mm256_xor_ps(h1_imag, sign);
h1_real = (__m512) _mm512_xor_epi32((__m512i) h1_real, (__m512i) sign);
h1_imag = (__m512) _mm512_xor_epi32((__m512i) h1_imag, (__m512i) sign);
tmp1 = _mm512_mul_ps(h1_imag, x1);
x1 = _mm512_FMADDSUB_ps(h1_real, x1, _mm512_shuffle_ps(tmp1, tmp1, 0xb1));
tmp2 = _mm512_mul_ps(h1_imag, x2);
x2 = _mm512_FMADDSUB_ps(h1_real, x2, _mm512_shuffle_ps(tmp2, tmp2, 0xb1));
tmp3 = _mm512_mul_ps(h1_imag, x3);
x3 = _mm512_FMADDSUB_ps(h1_real, x3, _mm512_shuffle_ps(tmp3, tmp3, 0xb1));
tmp4 = _mm512_mul_ps(h1_imag, x4);
x4 = _mm512_FMADDSUB_ps(h1_real, x4, _mm512_shuffle_ps(tmp4, tmp4, 0xb1));
h1_real = _mm512_set1_ps(hh_dbl[ldh*2]);
h1_imag = _mm512_set1_ps(hh_dbl[(ldh*2)+1]);
h2_real = _mm512_set1_ps(hh_dbl[ldh*2]);
h2_imag = _mm512_set1_ps(hh_dbl[(ldh*2)+1]);
// h1_real = _mm256_xor_ps(h1_real, sign);
// h1_imag = _mm256_xor_ps(h1_imag, sign);
h1_real = (__m512) _mm512_xor_epi32((__m512i) h1_real, (__m512i) sign);
h1_imag = (__m512) _mm512_xor_epi32((__m512i) h1_imag, (__m512i) sign);
// h2_real = _mm256_xor_ps(h2_real, sign);
// h2_imag = _mm256_xor_ps(h2_imag, sign);
h2_real = (__m512) _mm512_xor_epi32((__m512i) h2_real, (__m512i) sign);
h2_imag = (__m512) _mm512_xor_epi32((__m512i) h2_imag, (__m512i) sign);
//check this
// __m128d tmp_s_128 = _mm_loadu_ps(s_dbl);
// tmp2 = _mm256_broadcast_ps(&tmp_s_128);
// __m512d tmp_s = _mm512_maskz_loadu_ps (0x01 + 0x02, s_dbl);
// tmp2 = _mm512_broadcast_f64x2(_mm512_castpd512_ps128(tmp_s));
tmp2 = _mm512_set4_ps(s_dbl[0],s_dbl[1], s_dbl[0],s_dbl[1]);
tmp1 = _mm512_mul_ps(h2_imag, tmp2);