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Unverified Commit e85cfae5 authored by Andreas Marek's avatar Andreas Marek
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Rename AVX kernel files ; seperate out SSE part 

- The SSE part will be available in different files.
- Specify whether AVX or AVX2 was used to build
parent fd2b5206
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Makefile.am
View file @ e85cfae5
......@@ -80,28 +80,28 @@ endif
endif
if WITH_REAL_AVX_BLOCK2_KERNEL
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_sse-avx_2hv.c
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_avx-avx2_2hv.c
endif
if WITH_REAL_AVX_BLOCK4_KERNEL
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_sse-avx_4hv.c
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_avx-avx2_4hv.c
endif
if WITH_REAL_AVX_BLOCK6_KERNEL
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_sse-avx_6hv.c
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_avx-avx2_6hv.c
endif
if WITH_COMPLEX_AVX_BLOCK1_KERNEL
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_sse-avx_1hv.cpp
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_avx-avx2_1hv.cpp
endif
if WITH_COMPLEX_AVX_BLOCK2_KERNEL
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_sse-avx_2hv.cpp
libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_complex_avx-avx2_2hv.cpp
endif
#if WITH_AVX_SANDYBRIDGE
# libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_sse-avx_2hv.c \
# src/elpa2_kernels/elpa2_kernels_complex_sse-avx_1hv.cpp
# libelpa@SUFFIX@_la_SOURCES += src/elpa2_kernels/elpa2_kernels_real_avx-avx2_2hv.c \
# src/elpa2_kernels/elpa2_kernels_complex_avx-avx2_1hv.cpp
#endif
# install any .mod files in the include/ dir
......
configure.ac
View file @ e85cfae5
......@@ -221,6 +221,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
[can_compile_avx=no]
)
AC_MSG_RESULT([${can_compile_avx}])
if test "${can_compile_avx}" = "yes" ; then
AC_MSG_CHECKING([whether we can compile AVX intrinsics in C++])
AC_LANG_PUSH([C++])
......@@ -278,7 +279,6 @@ if test "${can_compile_avx2}" = "yes" ; then
fi
fi
if test "${can_compile_avx}" = "yes" ; then
install_real_avx_block2=yes
install_real_avx_block4=yes
......@@ -299,6 +299,19 @@ else
want_avx=yes
fi
AM_CONDITIONAL([HAVE_SSE],[test x"$can_compile_sse" = x"yes"])
if test x"${can_compile_sse}" = x"yes" ; then
AC_DEFINE([HAVE_SSE],[1],[SSE is supported on this CPU])
fi
AM_CONDITIONAL([HAVE_AVX],[test x"$can_compile_avx" = x"yes"])
if test x"${can_compile_avx}" = x"yes" ; then
AC_DEFINE([HAVE_AVX],[1],[AVX is supported on this CPU])
fi
AM_CONDITIONAL([HAVE_AVX2],[test x"$can_compile_avx2" = x"yes"])
if test x"${can_compile_avx2}" = x"yes" ; then
AC_DEFINE([HAVE_AVX2],[1],[AVX2 is supported on this CPU])
fi
dnl set the AVX optimization flags if this option is specified
AC_MSG_CHECKING(whether AVX optimization flags should be set automatically)
AC_ARG_WITH([avx-optimization],
......@@ -464,7 +477,7 @@ AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environm
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test_get_environment
nn
character(len=256) :: homedir
call get_environment_variable("HOME",homedir)
end program
......
src/elpa2_kernels/elpa2_kernels_complex_avx-avx2_1hv.cpp
View file @ e85cfae5
......@@ -65,10 +65,6 @@
#define __forceinline __attribute__((always_inline))
#ifdef __USE_AVX128__
#undef __AVX__
#endif
#ifdef __FMA4__
#define __ELPA_USE_FMA__
#define _mm256_FMADDSUB_pd(a,b,c) _mm256_maddsub_pd(a,b,c)
......@@ -84,17 +80,10 @@
extern "C" {
//Forward declaration
#ifdef __AVX__
static __forceinline void hh_trafo_complex_kernel_12_AVX_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq);
static __forceinline void hh_trafo_complex_kernel_8_AVX_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq);
static __forceinline void hh_trafo_complex_kernel_4_AVX_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq);
#else
static __forceinline void hh_trafo_complex_kernel_6_SSE_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq);
static __forceinline void hh_trafo_complex_kernel_4_SSE_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq);
static __forceinline void hh_trafo_complex_kernel_2_SSE_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq);
#endif
#if 0
static __forceinline void hh_trafo_complex_kernel_4_C_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq)
{
......@@ -145,7 +134,7 @@ static __forceinline void hh_trafo_complex_kernel_4_C_1hv(std::complex<double>*
}
#endif // if 0
void single_hh_trafo_complex_sse_avx_1hv_(std::complex<double>* q, std::complex<double>* hh, int* pnb, int* pnq, int* pldq)
void single_hh_trafo_complex_avx_avx2_1hv_(std::complex<double>* q, std::complex<double>* hh, int* pnb, int* pnq, int* pldq)
{
int i;
int nb = *pnb;
......@@ -153,7 +142,6 @@ void single_hh_trafo_complex_sse_avx_1hv_(std::complex<double>* q, std::complex<
int ldq = *pldq;
//int ldh = *pldh;
#ifdef __AVX__
for (i = 0; i < nq-8; i+=12)
{
hh_trafo_complex_kernel_12_AVX_1hv(&q[i], hh, nb, ldq);
......@@ -166,23 +154,8 @@ void single_hh_trafo_complex_sse_avx_1hv_(std::complex<double>* q, std::complex<
{
hh_trafo_complex_kernel_4_AVX_1hv(&q[i], hh, nb, ldq);
}
#else
for (i = 0; i < nq-4; i+=6)
{
hh_trafo_complex_kernel_6_SSE_1hv(&q[i], hh, nb, ldq);
}
if (nq-i > 2)
{
hh_trafo_complex_kernel_4_SSE_1hv(&q[i], hh, nb, ldq);
}
else if (nq-i > 0)
{
hh_trafo_complex_kernel_2_SSE_1hv(&q[i], hh, nb, ldq);
}
#endif
}
#ifdef __AVX__
static __forceinline void hh_trafo_complex_kernel_12_AVX_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq)
{
double* q_dbl = (double*)q;
......@@ -207,7 +180,7 @@ void single_hh_trafo_complex_sse_avx_1hv_(std::complex<double>* q, std::complex<
{
h1_real = _mm256_broadcast_sd(&hh_dbl[i*2]);
h1_imag = _mm256_broadcast_sd(&hh_dbl[(i*2)+1]);
#ifndef __ELPA_USE_FMA__
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm256_xor_pd(h1_imag, sign);
#endif
......@@ -345,7 +318,7 @@ void single_hh_trafo_complex_sse_avx_1hv_(std::complex<double>* q, std::complex<
q2 = _mm256_add_pd(q2, _mm256_addsub_pd( _mm256_mul_pd(h1_real, x2), _mm256_shuffle_pd(tmp2, tmp2, 0x5)));
#endif
tmp3 = _mm256_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
#ifdef __ELPA_USE_FMA__
q3 = _mm256_add_pd(q3, _mm256_FMADDSUB_pd(h1_real, x3, _mm256_shuffle_pd(tmp3, tmp3, 0x5)));
#else
q3 = _mm256_add_pd(q3, _mm256_addsub_pd( _mm256_mul_pd(h1_real, x3), _mm256_shuffle_pd(tmp3, tmp3, 0x5)));
......@@ -400,7 +373,7 @@ static __forceinline void hh_trafo_complex_kernel_8_AVX_1hv(std::complex<double>
{
h1_real = _mm256_broadcast_sd(&hh_dbl[i*2]);
h1_imag = _mm256_broadcast_sd(&hh_dbl[(i*2)+1]);
#ifndef __ELPA_USE_FMA__
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm256_xor_pd(h1_imag, sign);
#endif
......@@ -500,13 +473,13 @@ static __forceinline void hh_trafo_complex_kernel_8_AVX_1hv(std::complex<double>
tmp2 = _mm256_mul_pd(h1_imag, x2);
#ifdef __ELPA_USE_FMA__
q2 = _mm256_add_pd(q2, _mm256_FMADDSUB_pd(h1_real, x2, _mm256_shuffle_pd(tmp2, tmp2, 0x5)));
#else
#else
q2 = _mm256_add_pd(q2, _mm256_addsub_pd( _mm256_mul_pd(h1_real, x2), _mm256_shuffle_pd(tmp2, tmp2, 0x5)));
#endif
tmp3 = _mm256_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
q3 = _mm256_add_pd(q3, _mm256_FMADDSUB_pd(h1_real, x3, _mm256_shuffle_pd(tmp3, tmp3, 0x5)));
#else
#else
q3 = _mm256_add_pd(q3, _mm256_addsub_pd( _mm256_mul_pd(h1_real, x3), _mm256_shuffle_pd(tmp3, tmp3, 0x5)));
#endif
tmp4 = _mm256_mul_pd(h1_imag, x4);
......@@ -617,441 +590,4 @@ static __forceinline void hh_trafo_complex_kernel_4_AVX_1hv(std::complex<double>
_mm256_store_pd(&q_dbl[(2*i*ldq)+4], q2);
}
}
#else
static __forceinline void hh_trafo_complex_kernel_6_SSE_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq)
{
double* q_dbl = (double*)q;
double* hh_dbl = (double*)hh;
__m128d x1, x2, x3, x4, x5, x6;
__m128d q1, q2, q3, q4, q5, q6;
__m128d h1_real, h1_imag;
__m128d tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;
int i=0;
__m128d sign = (__m128d)_mm_set_epi64x(0x8000000000000000, 0x8000000000000000);
x1 = _mm_load_pd(&q_dbl[0]);
x2 = _mm_load_pd(&q_dbl[2]);
x3 = _mm_load_pd(&q_dbl[4]);
x4 = _mm_load_pd(&q_dbl[6]);
x5 = _mm_load_pd(&q_dbl[8]);
x6 = _mm_load_pd(&q_dbl[10]);
for (i = 1; i < nb; i++)
{
h1_real = _mm_loaddup_pd(&hh_dbl[i*2]);
h1_imag = _mm_loaddup_pd(&hh_dbl[(i*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm_xor_pd(h1_imag, sign);
#endif
q1 = _mm_load_pd(&q_dbl[(2*i*ldq)+0]);
q2 = _mm_load_pd(&q_dbl[(2*i*ldq)+2]);
q3 = _mm_load_pd(&q_dbl[(2*i*ldq)+4]);
q4 = _mm_load_pd(&q_dbl[(2*i*ldq)+6]);
q5 = _mm_load_pd(&q_dbl[(2*i*ldq)+8]);
q6 = _mm_load_pd(&q_dbl[(2*i*ldq)+10]);
tmp1 = _mm_mul_pd(h1_imag, q1);
#ifdef __ELPA_USE_FMA__
x1 = _mm_add_pd(x1, _mm_msubadd_pd(h1_real, q1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#else
x1 = _mm_add_pd(x1, _mm_addsub_pd( _mm_mul_pd(h1_real, q1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#endif
tmp2 = _mm_mul_pd(h1_imag, q2);
#ifdef __ELPA_USE_FMA__
x2 = _mm_add_pd(x2, _mm_msubadd_pd(h1_real, q2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#else
x2 = _mm_add_pd(x2, _mm_addsub_pd( _mm_mul_pd(h1_real, q2), _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#endif
tmp3 = _mm_mul_pd(h1_imag, q3);
#ifdef __ELPA_USE_FMA__
x3 = _mm_add_pd(x3, _mm_msubadd_pd(h1_real, q3, _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#else
x3 = _mm_add_pd(x3, _mm_addsub_pd( _mm_mul_pd(h1_real, q3), _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#endif
tmp4 = _mm_mul_pd(h1_imag, q4);
#ifdef __ELPA_USE_FMA__
x4 = _mm_add_pd(x4, _mm_msubadd_pd(h1_real, q4, _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#else
x4 = _mm_add_pd(x4, _mm_addsub_pd( _mm_mul_pd(h1_real, q4), _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#endif
tmp5 = _mm_mul_pd(h1_imag, q5);
#ifdef __ELPA_USE_FMA__
x5 = _mm_add_pd(x5, _mm_msubadd_pd(h1_real, q5, _mm_shuffle_pd(tmp5, tmp5, _MM_SHUFFLE2(0,1))));
#else
x5 = _mm_add_pd(x5, _mm_addsub_pd( _mm_mul_pd(h1_real, q5), _mm_shuffle_pd(tmp5, tmp5, _MM_SHUFFLE2(0,1))));
#endif
tmp6 = _mm_mul_pd(h1_imag, q6);
#ifdef __ELPA_USE_FMA__
x6 = _mm_add_pd(x6, _mm_msubadd_pd(h1_real, q6, _mm_shuffle_pd(tmp6, tmp6, _MM_SHUFFLE2(0,1))));
#else
x6 = _mm_add_pd(x6, _mm_addsub_pd( _mm_mul_pd(h1_real, q6), _mm_shuffle_pd(tmp6, tmp6, _MM_SHUFFLE2(0,1))));
#endif
}
h1_real = _mm_loaddup_pd(&hh_dbl[0]);
h1_imag = _mm_loaddup_pd(&hh_dbl[1]);
h1_real = _mm_xor_pd(h1_real, sign);
h1_imag = _mm_xor_pd(h1_imag, sign);
tmp1 = _mm_mul_pd(h1_imag, x1);
#ifdef __ELPA_USE_FMA__
x1 = _mm_maddsub_pd(h1_real, x1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1)));
#else
x1 = _mm_addsub_pd( _mm_mul_pd(h1_real, x1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1)));
#endif
tmp2 = _mm_mul_pd(h1_imag, x2);
#ifdef __ELPA_USE_FMA__
x2 = _mm_maddsub_pd(h1_real, x2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1)));
#else
x2 = _mm_addsub_pd( _mm_mul_pd(h1_real, x2), _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1)));
#endif
tmp3 = _mm_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
x3 = _mm_maddsub_pd(h1_real, x3, _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1)));
#else
x3 = _mm_addsub_pd( _mm_mul_pd(h1_real, x3), _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1)));
#endif
tmp4 = _mm_mul_pd(h1_imag, x4);
#ifdef __ELPA_USE_FMA__
x4 = _mm_maddsub_pd(h1_real, x4, _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1)));
#else
x4 = _mm_addsub_pd( _mm_mul_pd(h1_real, x4), _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1)));
#endif
tmp5 = _mm_mul_pd(h1_imag, x5);
#ifdef __ELPA_USE_FMA__
x5 = _mm_maddsub_pd(h1_real, x5, _mm_shuffle_pd(tmp5, tmp5, _MM_SHUFFLE2(0,1)));
#else
x5 = _mm_addsub_pd( _mm_mul_pd(h1_real, x5), _mm_shuffle_pd(tmp5, tmp5, _MM_SHUFFLE2(0,1)));
#endif
tmp6 = _mm_mul_pd(h1_imag, x6);
#ifdef __ELPA_USE_FMA__
x6 = _mm_maddsub_pd(h1_real, x6, _mm_shuffle_pd(tmp6, tmp6, _MM_SHUFFLE2(0,1)));
#else
x6 = _mm_addsub_pd( _mm_mul_pd(h1_real, x6), _mm_shuffle_pd(tmp6, tmp6, _MM_SHUFFLE2(0,1)));
#endif
q1 = _mm_load_pd(&q_dbl[0]);
q2 = _mm_load_pd(&q_dbl[2]);
q3 = _mm_load_pd(&q_dbl[4]);
q4 = _mm_load_pd(&q_dbl[6]);
q5 = _mm_load_pd(&q_dbl[8]);
q6 = _mm_load_pd(&q_dbl[10]);
q1 = _mm_add_pd(q1, x1);
q2 = _mm_add_pd(q2, x2);
q3 = _mm_add_pd(q3, x3);
q4 = _mm_add_pd(q4, x4);
q5 = _mm_add_pd(q5, x5);
q6 = _mm_add_pd(q6, x6);
_mm_store_pd(&q_dbl[0], q1);
_mm_store_pd(&q_dbl[2], q2);
_mm_store_pd(&q_dbl[4], q3);
_mm_store_pd(&q_dbl[6], q4);
_mm_store_pd(&q_dbl[8], q5);
_mm_store_pd(&q_dbl[10], q6);
for (i = 1; i < nb; i++)
{
h1_real = _mm_loaddup_pd(&hh_dbl[i*2]);
h1_imag = _mm_loaddup_pd(&hh_dbl[(i*2)+1]);
q1 = _mm_load_pd(&q_dbl[(2*i*ldq)+0]);
q2 = _mm_load_pd(&q_dbl[(2*i*ldq)+2]);
q3 = _mm_load_pd(&q_dbl[(2*i*ldq)+4]);
q4 = _mm_load_pd(&q_dbl[(2*i*ldq)+6]);
q5 = _mm_load_pd(&q_dbl[(2*i*ldq)+8]);
q6 = _mm_load_pd(&q_dbl[(2*i*ldq)+10]);
tmp1 = _mm_mul_pd(h1_imag, x1);
#ifdef __ELPA_USE_FMA__
q1 = _mm_add_pd(q1, _mm_maddsub_pd(h1_real, x1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#else
q1 = _mm_add_pd(q1, _mm_addsub_pd( _mm_mul_pd(h1_real, x1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#endif
tmp2 = _mm_mul_pd(h1_imag, x2);
#ifdef __ELPA_USE_FMA__
q2 = _mm_add_pd(q2, _mm_maddsub_pd(h1_real, x2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#else
q2 = _mm_add_pd(q2, _mm_addsub_pd( _mm_mul_pd(h1_real, x2), _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#endif
tmp3 = _mm_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
q3 = _mm_add_pd(q3, _mm_maddsub_pd(h1_real, x3, _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#else
q3 = _mm_add_pd(q3, _mm_addsub_pd( _mm_mul_pd(h1_real, x3), _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#endif
tmp4 = _mm_mul_pd(h1_imag, x4);
#ifdef __ELPA_USE_FMA__
q4 = _mm_add_pd(q4, _mm_maddsub_pd(h1_real, x4, _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#else
q4 = _mm_add_pd(q4, _mm_addsub_pd( _mm_mul_pd(h1_real, x4), _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#endif
tmp5 = _mm_mul_pd(h1_imag, x5);
#ifdef __ELPA_USE_FMA__
q5 = _mm_add_pd(q5, _mm_maddsub_pd(h1_real, x5, _mm_shuffle_pd(tmp5, tmp5, _MM_SHUFFLE2(0,1))));
#else
q5 = _mm_add_pd(q5, _mm_addsub_pd( _mm_mul_pd(h1_real, x5), _mm_shuffle_pd(tmp5, tmp5, _MM_SHUFFLE2(0,1))));
#endif
tmp6 = _mm_mul_pd(h1_imag, x6);
#ifdef __ELPA_USE_FMA__
q6 = _mm_add_pd(q6, _mm_maddsub_pd(h1_real, x6, _mm_shuffle_pd(tmp6, tmp6, _MM_SHUFFLE2(0,1))));
#else
q6 = _mm_add_pd(q6, _mm_addsub_pd( _mm_mul_pd(h1_real, x6), _mm_shuffle_pd(tmp6, tmp6, _MM_SHUFFLE2(0,1))));
#endif
_mm_store_pd(&q_dbl[(2*i*ldq)+0], q1);
_mm_store_pd(&q_dbl[(2*i*ldq)+2], q2);
_mm_store_pd(&q_dbl[(2*i*ldq)+4], q3);
_mm_store_pd(&q_dbl[(2*i*ldq)+6], q4);
_mm_store_pd(&q_dbl[(2*i*ldq)+8], q5);
_mm_store_pd(&q_dbl[(2*i*ldq)+10], q6);
}
}
static __forceinline void hh_trafo_complex_kernel_4_SSE_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq)
{
double* q_dbl = (double*)q;
double* hh_dbl = (double*)hh;
__m128d x1, x2, x3, x4;
__m128d q1, q2, q3, q4;
__m128d h1_real, h1_imag;
__m128d tmp1, tmp2, tmp3, tmp4;
int i=0;
__m128d sign = (__m128d)_mm_set_epi64x(0x8000000000000000, 0x8000000000000000);
x1 = _mm_load_pd(&q_dbl[0]);
x2 = _mm_load_pd(&q_dbl[2]);
x3 = _mm_load_pd(&q_dbl[4]);
x4 = _mm_load_pd(&q_dbl[6]);
for (i = 1; i < nb; i++)
{
h1_real = _mm_loaddup_pd(&hh_dbl[i*2]);
h1_imag = _mm_loaddup_pd(&hh_dbl[(i*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm_xor_pd(h1_imag, sign);
#endif
q1 = _mm_load_pd(&q_dbl[(2*i*ldq)+0]);
q2 = _mm_load_pd(&q_dbl[(2*i*ldq)+2]);
q3 = _mm_load_pd(&q_dbl[(2*i*ldq)+4]);
q4 = _mm_load_pd(&q_dbl[(2*i*ldq)+6]);
tmp1 = _mm_mul_pd(h1_imag, q1);
#ifdef __ELPA_USE_FMA__
x1 = _mm_add_pd(x1, _mm_msubadd_pd(h1_real, q1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#else
x1 = _mm_add_pd(x1, _mm_addsub_pd( _mm_mul_pd(h1_real, q1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#endif
tmp2 = _mm_mul_pd(h1_imag, q2);
#ifdef __ELPA_USE_FMA__
x2 = _mm_add_pd(x2, _mm_msubadd_pd(h1_real, q2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#else
x2 = _mm_add_pd(x2, _mm_addsub_pd( _mm_mul_pd(h1_real, q2), _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#endif
tmp3 = _mm_mul_pd(h1_imag, q3);
#ifdef __ELPA_USE_FMA__
x3 = _mm_add_pd(x3, _mm_msubadd_pd(h1_real, q3, _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#else
x3 = _mm_add_pd(x3, _mm_addsub_pd( _mm_mul_pd(h1_real, q3), _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#endif
tmp4 = _mm_mul_pd(h1_imag, q4);
#ifdef __ELPA_USE_FMA__
x4 = _mm_add_pd(x4, _mm_msubadd_pd(h1_real, q4, _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#else
x4 = _mm_add_pd(x4, _mm_addsub_pd( _mm_mul_pd(h1_real, q4), _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#endif
}
h1_real = _mm_loaddup_pd(&hh_dbl[0]);
h1_imag = _mm_loaddup_pd(&hh_dbl[1]);
h1_real = _mm_xor_pd(h1_real, sign);
h1_imag = _mm_xor_pd(h1_imag, sign);
tmp1 = _mm_mul_pd(h1_imag, x1);
#ifdef __ELPA_USE_FMA__
x1 = _mm_maddsub_pd(h1_real, x1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1)));
#else
x1 = _mm_addsub_pd( _mm_mul_pd(h1_real, x1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1)));
#endif
tmp2 = _mm_mul_pd(h1_imag, x2);
#ifdef __ELPA_USE_FMA__
x2 = _mm_maddsub_pd(h1_real, x2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1)));
#else
x2 = _mm_addsub_pd( _mm_mul_pd(h1_real, x2), _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1)));
#endif
tmp3 = _mm_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
x3 = _mm_maddsub_pd(h1_real, x3, _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1)));
#else
x3 = _mm_addsub_pd( _mm_mul_pd(h1_real, x3), _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1)));
#endif
tmp4 = _mm_mul_pd(h1_imag, x4);
#ifdef __ELPA_USE_FMA__
x4 = _mm_maddsub_pd(h1_real, x4, _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1)));
#else
x4 = _mm_addsub_pd( _mm_mul_pd(h1_real, x4), _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1)));
#endif
q1 = _mm_load_pd(&q_dbl[0]);
q2 = _mm_load_pd(&q_dbl[2]);
q3 = _mm_load_pd(&q_dbl[4]);
q4 = _mm_load_pd(&q_dbl[6]);
q1 = _mm_add_pd(q1, x1);
q2 = _mm_add_pd(q2, x2);
q3 = _mm_add_pd(q3, x3);
q4 = _mm_add_pd(q4, x4);
_mm_store_pd(&q_dbl[0], q1);
_mm_store_pd(&q_dbl[2], q2);
_mm_store_pd(&q_dbl[4], q3);
_mm_store_pd(&q_dbl[6], q4);
for (i = 1; i < nb; i++)
{
h1_real = _mm_loaddup_pd(&hh_dbl[i*2]);
h1_imag = _mm_loaddup_pd(&hh_dbl[(i*2)+1]);
q1 = _mm_load_pd(&q_dbl[(2*i*ldq)+0]);
q2 = _mm_load_pd(&q_dbl[(2*i*ldq)+2]);
q3 = _mm_load_pd(&q_dbl[(2*i*ldq)+4]);
q4 = _mm_load_pd(&q_dbl[(2*i*ldq)+6]);
tmp1 = _mm_mul_pd(h1_imag, x1);
#ifdef __ELPA_USE_FMA__
q1 = _mm_add_pd(q1, _mm_maddsub_pd(h1_real, x1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#else
q1 = _mm_add_pd(q1, _mm_addsub_pd( _mm_mul_pd(h1_real, x1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#endif
tmp2 = _mm_mul_pd(h1_imag, x2);
#ifdef __ELPA_USE_FMA__
q2 = _mm_add_pd(q2, _mm_maddsub_pd(h1_real, x2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#else
q2 = _mm_add_pd(q2, _mm_addsub_pd( _mm_mul_pd(h1_real, x2), _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));
#endif
tmp3 = _mm_mul_pd(h1_imag, x3);
#ifdef __ELPA_USE_FMA__
q3 = _mm_add_pd(q3, _mm_maddsub_pd(h1_real, x3, _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#else
q3 = _mm_add_pd(q3, _mm_addsub_pd( _mm_mul_pd(h1_real, x3), _mm_shuffle_pd(tmp3, tmp3, _MM_SHUFFLE2(0,1))));
#endif
tmp4 = _mm_mul_pd(h1_imag, x4);
#ifdef __ELPA_USE_FMA__
q4 = _mm_add_pd(q4, _mm_maddsub_pd(h1_real, x4, _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#else
q4 = _mm_add_pd(q4, _mm_addsub_pd( _mm_mul_pd(h1_real, x4), _mm_shuffle_pd(tmp4, tmp4, _MM_SHUFFLE2(0,1))));
#endif
_mm_store_pd(&q_dbl[(2*i*ldq)+0], q1);
_mm_store_pd(&q_dbl[(2*i*ldq)+2], q2);
_mm_store_pd(&q_dbl[(2*i*ldq)+4], q3);
_mm_store_pd(&q_dbl[(2*i*ldq)+6], q4);
}
}
static __forceinline void hh_trafo_complex_kernel_2_SSE_1hv(std::complex<double>* q, std::complex<double>* hh, int nb, int ldq)
{
double* q_dbl = (double*)q;
double* hh_dbl = (double*)hh;
__m128d x1, x2;
__m128d q1, q2;
__m128d h1_real, h1_imag;
__m128d tmp1, tmp2;
int i=0;
__m128d sign = (__m128d)_mm_set_epi64x(0x8000000000000000, 0x8000000000000000);
x1 = _mm_load_pd(&q_dbl[0]);
x2 = _mm_load_pd(&q_dbl[2]);
for (i = 1; i < nb; i++)
{
h1_real = _mm_loaddup_pd(&hh_dbl[i*2]);
h1_imag = _mm_loaddup_pd(&hh_dbl[(i*2)+1]);
#ifndef __ELPA_USE_FMA__
// conjugate
h1_imag = _mm_xor_pd(h1_imag, sign);
#endif
q1 = _mm_load_pd(&q_dbl[(2*i*ldq)+0]);
q2 = _mm_load_pd(&q_dbl[(2*i*ldq)+2]);
tmp1 = _mm_mul_pd(h1_imag, q1);
#ifdef __ELPA_USE_FMA__
x1 = _mm_add_pd(x1, _mm_msubadd_pd(h1_real, q1, _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#else
x1 = _mm_add_pd(x1, _mm_addsub_pd( _mm_mul_pd(h1_real, q1), _mm_shuffle_pd(tmp1, tmp1, _MM_SHUFFLE2(0,1))));
#endif
tmp2 = _mm_mul_pd(h1_imag, q2);
#ifdef __ELPA_USE_FMA__
x2 = _mm_add_pd(x2, _mm_msubadd_pd(h1_real, q2, _mm_shuffle_pd(tmp2, tmp2, _MM_SHUFFLE2(0,1))));