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-rw-r--r--bench/btl/CMakeLists.txt2
-rw-r--r--bench/btl/actions/action_matrix_vector_product.hh18
-rw-r--r--bench/btl/data/order_lib5
-rw-r--r--bench/btl/generic_bench/bench.hh6
-rw-r--r--bench/btl/generic_bench/bench_parameter.hh2
-rw-r--r--bench/btl/generic_bench/btl.hh30
-rw-r--r--bench/btl/generic_bench/init/init_matrix.hh16
-rw-r--r--bench/btl/generic_bench/static/bench_static.hh4
-rw-r--r--bench/btl/generic_bench/timers/portable_perf_analyzer.hh4
-rw-r--r--bench/btl/libs/C/CMakeLists.txt1
-rw-r--r--bench/btl/libs/eigen2/eigen2_interface.hh11
-rw-r--r--bench/btl/libs/eigen2/main.cpp4
-rwxr-xr-xbench/btl/libs/hand_vec/hand_vec_interface.hh515
13 files changed, 493 insertions, 125 deletions
diff --git a/bench/btl/CMakeLists.txt b/bench/btl/CMakeLists.txt
index 17931f988..600fc38f1 100644
--- a/bench/btl/CMakeLists.txt
+++ b/bench/btl/CMakeLists.txt
@@ -46,8 +46,6 @@ MACRO(BTL_ADD_BENCH targetname)
OPTION(BUILD_${targetname} "Build benchmark ${targetname}" ${_last_var})
- message(STATUS ${targetname} " : " ${ARGN} " => " ${_sources} " => " ${_last_var})
-
IF(BUILD_${targetname})
ADD_EXECUTABLE(${targetname} ${_sources})
ADD_TEST(${targetname} "${targetname}")
diff --git a/bench/btl/actions/action_matrix_vector_product.hh b/bench/btl/actions/action_matrix_vector_product.hh
index ee9110d06..7e490abe3 100644
--- a/bench/btl/actions/action_matrix_vector_product.hh
+++ b/bench/btl/actions/action_matrix_vector_product.hh
@@ -35,7 +35,7 @@ public :
// Ctor
- Action_matrix_vector_product( int size ):_size(size)
+ BTL_DONT_INLINE Action_matrix_vector_product( int size ):_size(size)
{
MESSAGE("Action_matrix_vector_product Ctor");
@@ -68,7 +68,7 @@ public :
// Dtor
- ~Action_matrix_vector_product( void ){
+ BTL_DONT_INLINE ~Action_matrix_vector_product( void ){
MESSAGE("Action_matrix_vector_product Dtor");
@@ -95,7 +95,7 @@ public :
return 2.0*_size*_size;
}
- inline void initialize( void ){
+ BTL_DONT_INLINE void initialize( void ){
Interface::copy_matrix(A_ref,A,_size);
Interface::copy_vector(B_ref,B,_size);
@@ -103,13 +103,13 @@ public :
}
- inline void calculate( void ) {
-
+ BTL_DONT_INLINE void calculate( void ) {
+ asm("#begin matrix_vector_product");
Interface::matrix_vector_product(A,B,X,_size);
-
+ asm("#end matrix_vector_product");
}
- void check_result( void ){
+ BTL_DONT_INLINE void check_result( void ){
// calculation check
@@ -120,9 +120,9 @@ public :
typename Interface::real_type error=
STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
- if (error>1.e-6){
+ if (error>1.e-5){
INFOS("WRONG CALCULATION...residual=" << error);
- exit(0);
+// exit(0);
}
}
diff --git a/bench/btl/data/order_lib b/bench/btl/data/order_lib
index 5ea998a2e..ccbaab12e 100644
--- a/bench/btl/data/order_lib
+++ b/bench/btl/data/order_lib
@@ -1,8 +1,11 @@
+eigen2_SSE
eigen2
-C_BLAS
+INTEL_MKL
+ATLAS
STL
C
gmm
+mtl4
ublas
blitz
F77
diff --git a/bench/btl/generic_bench/bench.hh b/bench/btl/generic_bench/bench.hh
index 484b526e3..cace2695d 100644
--- a/bench/btl/generic_bench/bench.hh
+++ b/bench/btl/generic_bench/bench.hh
@@ -36,11 +36,13 @@
using namespace std;
template <template<class> class Perf_Analyzer, class Action>
-void bench( int size_min, int size_max, int nb_point )
+BTL_DONT_INLINE void bench( int size_min, int size_max, int nb_point )
{
if (BtlConfig::skipAction(Action::name()))
return;
+ BTL_DISABLE_SSE_EXCEPTIONS();
+
string filename="bench_"+Action::name()+".dat";
INFOS("starting " <<filename);
@@ -76,7 +78,7 @@ void bench( int size_min, int size_max, int nb_point )
// default Perf Analyzer
template <class Action>
-void bench( int size_min, int size_max, int nb_point ){
+BTL_DONT_INLINE void bench( int size_min, int size_max, int nb_point ){
// if the rdtsc is not available :
bench<Portable_Perf_Analyzer,Action>(size_min,size_max,nb_point);
diff --git a/bench/btl/generic_bench/bench_parameter.hh b/bench/btl/generic_bench/bench_parameter.hh
index e4e145ea0..e2db997fd 100644
--- a/bench/btl/generic_bench/bench_parameter.hh
+++ b/bench/btl/generic_bench/bench_parameter.hh
@@ -48,6 +48,6 @@
#define DEFAULT_NB_SAMPLE 1000
// how many times we run a single bench (keep the best perf)
-#define NB_TRIES 4
+#define NB_TRIES 3
#endif
diff --git a/bench/btl/generic_bench/btl.hh b/bench/btl/generic_bench/btl.hh
index 5b561b676..784702432 100644
--- a/bench/btl/generic_bench/btl.hh
+++ b/bench/btl/generic_bench/btl.hh
@@ -26,6 +26,31 @@
#include <string>
#include "utilities.h"
+#if (defined __GNUC__)
+#define BTL_ALWAYS_INLINE __attribute__((always_inline)) inline
+#else
+#define BTL_ALWAYS_INLINE inline
+#endif
+
+#if (defined __GNUC__)
+#define BTL_DONT_INLINE __attribute__((noinline))
+#else
+#define BTL_DONT_INLINE
+#endif
+
+#ifndef __INTEL_COMPILER
+#define BTL_DISABLE_SSE_EXCEPTIONS() { \
+ int aux; \
+ asm( \
+ "stmxcsr %[aux] \n\t" \
+ "orl $32832, %[aux] \n\t" \
+ "ldmxcsr %[aux] \n\t" \
+ : : [aux] "m" (aux)); \
+}
+#else
+#define DISABLE_SSE_EXCEPTIONS()
+#endif
+
/** Enhanced std::string
*/
class BtlString : public std::string
@@ -161,13 +186,14 @@ public:
}
}
}
+
+ BTL_DISABLE_SSE_EXCEPTIONS();
}
- static bool skipAction(const std::string& name)
+ BTL_DONT_INLINE static bool skipAction(const std::string& name)
{
if (Instance.m_runSingleAction)
{
- std::cout << "Instance.m_singleActionName = " << Instance.m_singleActionName << "\n";
return !BtlString(name).contains(Instance.m_singleActionName);
}
diff --git a/bench/btl/generic_bench/init/init_matrix.hh b/bench/btl/generic_bench/init/init_matrix.hh
index 27f8b42aa..6b57504c0 100644
--- a/bench/btl/generic_bench/init/init_matrix.hh
+++ b/bench/btl/generic_bench/init/init_matrix.hh
@@ -1,14 +1,14 @@
//=====================================================
// File : init_matrix.hh
-// Author : L. Plagne <laurent.plagne@edf.fr)>
+// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:19 CEST 2002
//=====================================================
-//
+//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
-//
+//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
@@ -16,7 +16,7 @@
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-//
+//
#ifndef INIT_MATRIX_HH
#define INIT_MATRIX_HH
@@ -25,7 +25,7 @@
// [] operator for setting element
// value_type defined
template<double init_function(int,int), class Vector>
-void init_row(Vector & X, int size, int row){
+BTL_DONT_INLINE void init_row(Vector & X, int size, int row){
X.resize(size);
@@ -40,14 +40,14 @@ void init_row(Vector & X, int size, int row){
// resize() method
// [] operator for setting rows
template<double init_function(int,int),class Vector>
-void init_matrix(Vector & A, int size){
+BTL_DONT_INLINE void init_matrix(Vector & A, int size){
A.resize(size);
for (int row=0; row<A.size() ; row++){
init_row<init_function>(A[row],size,row);
}
-
-
+
+
}
#endif
diff --git a/bench/btl/generic_bench/static/bench_static.hh b/bench/btl/generic_bench/static/bench_static.hh
index 0bc0d441e..cdb645fc2 100644
--- a/bench/btl/generic_bench/static/bench_static.hh
+++ b/bench/btl/generic_bench/static/bench_static.hh
@@ -34,7 +34,7 @@ using namespace std;
template <template<class> class Perf_Analyzer, template<class> class Action, template<class,int> class Interface>
-void bench_static(void)
+BTL_DONT_INLINE void bench_static(void)
{
if (BtlConfig::skipAction(Action<Interface<REAL_TYPE,10> >::name()))
return;
@@ -55,7 +55,7 @@ void bench_static(void)
// default Perf Analyzer
template <template<class> class Action, template<class,int> class Interface>
-void bench_static(void)
+BTL_DONT_INLINE void bench_static(void)
{
bench_static<Portable_Perf_Analyzer,Action,Interface>();
//bench_static<Mixed_Perf_Analyzer,Action,Interface>();
diff --git a/bench/btl/generic_bench/timers/portable_perf_analyzer.hh b/bench/btl/generic_bench/timers/portable_perf_analyzer.hh
index 709f0de5d..d716154fd 100644
--- a/bench/btl/generic_bench/timers/portable_perf_analyzer.hh
+++ b/bench/btl/generic_bench/timers/portable_perf_analyzer.hh
@@ -40,7 +40,7 @@ public:
- inline double eval_mflops(int size)
+ BTL_DONT_INLINE double eval_mflops(int size)
{
Action action(size);
@@ -70,7 +70,7 @@ public:
return action.nb_op_base()/(time_action*1000000.0);
}
- double time_calculate(Action & action)
+ BTL_DONT_INLINE double time_calculate(Action & action)
{
// time measurement
_chronos.start();
diff --git a/bench/btl/libs/C/CMakeLists.txt b/bench/btl/libs/C/CMakeLists.txt
index d3d2312d8..2bce21e8d 100644
--- a/bench/btl/libs/C/CMakeLists.txt
+++ b/bench/btl/libs/C/CMakeLists.txt
@@ -1,2 +1,3 @@
include_directories(${PROJECT_SOURCE_DIR}/libs/f77)
btl_add_bench(btl_C main.cpp)
+# set_target_properties(btl_C PROPERTIES COMPILE_FLAGS "-fpeel-loops") \ No newline at end of file
diff --git a/bench/btl/libs/eigen2/eigen2_interface.hh b/bench/btl/libs/eigen2/eigen2_interface.hh
index 8c4270e8c..fa7f759b2 100644
--- a/bench/btl/libs/eigen2/eigen2_interface.hh
+++ b/bench/btl/libs/eigen2/eigen2_interface.hh
@@ -20,6 +20,7 @@
#include <Eigen/Core>
#include <vector>
+#include "btl.hh"
using namespace Eigen;
@@ -52,7 +53,7 @@ public :
static void free_vector(gene_vector & B) {}
- static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){
+ static BTL_DONT_INLINE void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){
A.resize(A_stl[0].size(), A_stl.size());
for (int j=0; j<A_stl.size() ; j++){
@@ -62,7 +63,7 @@ public :
}
}
- static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){
+ static BTL_DONT_INLINE void vector_from_stl(gene_vector & B, stl_vector & B_stl){
B.resize(B_stl.size(),1);
for (int i=0; i<B_stl.size() ; i++){
@@ -70,13 +71,13 @@ public :
}
}
- static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){
+ static BTL_DONT_INLINE void vector_to_stl(gene_vector & B, stl_vector & B_stl){
for (int i=0; i<B_stl.size() ; i++){
B_stl[i] = B.coeff(i);
}
}
- static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){
+ static BTL_DONT_INLINE void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){
int N=A_stl.size();
for (int j=0;j<N;j++){
@@ -103,7 +104,7 @@ public :
X = (A*A.transpose()).lazy();
}
- static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+ static inline void matrix_vector_product(const gene_matrix & __restrict__ A, const gene_vector & __restrict__ B, gene_vector & __restrict__ X, int N){
X = (A*B).lazy();
}
diff --git a/bench/btl/libs/eigen2/main.cpp b/bench/btl/libs/eigen2/main.cpp
index 7f96c8476..f38dfcc0a 100644
--- a/bench/btl/libs/eigen2/main.cpp
+++ b/bench/btl/libs/eigen2/main.cpp
@@ -32,8 +32,8 @@ int main()
{
bench<Action_matrix_vector_product<eigen2_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
- bench<Action_atv_product<eigen2_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
- bench<Action_axpy<eigen2_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
+// bench<Action_atv_product<eigen2_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
+// bench<Action_axpy<eigen2_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
// bench<Action_matrix_matrix_product<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
// bench<Action_ata_product<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
// bench<Action_aat_product<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
diff --git a/bench/btl/libs/hand_vec/hand_vec_interface.hh b/bench/btl/libs/hand_vec/hand_vec_interface.hh
index 5291aac55..538c03ba6 100755
--- a/bench/btl/libs/hand_vec/hand_vec_interface.hh
+++ b/bench/btl/libs/hand_vec/hand_vec_interface.hh
@@ -68,140 +68,477 @@ public :
#endif
}
- static inline void matrix_vector_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
+static inline void matrix_vector_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
{
+ asm("#begin matrix_vector_product");
int AN = (N/PacketSize)*PacketSize;
+ int ANP = (AN/(4*PacketSize))*4*PacketSize;
+ int bound = (N/4)*4;
for (int i=0;i<N;i++)
X[i] = 0;
- for (int i=0;i<N;i++)
+
+ for (int i=0;i<bound;i+=4)
{
- real tmp = B[i];
- Packet ptmp = ei_pset1(tmp);
- int iN = i*N;
+ real tmp0 = B[i];
+ Packet ptmp0 = ei_pset1(tmp0);
+ real tmp1 = B[i+1];
+ Packet ptmp1 = ei_pset1(tmp1);
+ real tmp2 = B[i+2];
+ Packet ptmp2 = ei_pset1(tmp2);
+ real tmp3 = B[i+3];
+ Packet ptmp3 = ei_pset1(tmp3);
+ int iN0 = i*N;
+ int iN1 = (i+1)*N;
+ int iN2 = (i+2)*N;
+ int iN3 = (i+3)*N;
if (AN>0)
{
- bool aligned = (iN % PacketSize) == 0;
- if (aligned)
+// int aligned0 = (iN0 % PacketSize);
+ int aligned1 = (iN1 % PacketSize);
+
+ if (aligned1==0)
{
- #ifdef PEELING
- int ANP = (AN/(8*PacketSize))*8*PacketSize;
- for (int j = 0;j<ANP;j+=PacketSize*8)
+ for (int j = 0;j<AN;j+=PacketSize)
{
- ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_pload(&A[j+iN]))));
- ei_pstore(&X[j+PacketSize], ei_padd(ei_pload(&X[j+PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+PacketSize+iN]))));
- ei_pstore(&X[j+2*PacketSize], ei_padd(ei_pload(&X[j+2*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+2*PacketSize+iN]))));
- ei_pstore(&X[j+3*PacketSize], ei_padd(ei_pload(&X[j+3*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+3*PacketSize+iN]))));
- ei_pstore(&X[j+4*PacketSize], ei_padd(ei_pload(&X[j+4*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+4*PacketSize+iN]))));
- ei_pstore(&X[j+5*PacketSize], ei_padd(ei_pload(&X[j+5*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+5*PacketSize+iN]))));
- ei_pstore(&X[j+6*PacketSize], ei_padd(ei_pload(&X[j+6*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+6*PacketSize+iN]))));
- ei_pstore(&X[j+7*PacketSize], ei_padd(ei_pload(&X[j+7*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+7*PacketSize+iN]))));
+ ei_pstore(&X[j],
+ ei_padd(ei_pload(&X[j]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),ei_pmul(ptmp1,ei_pload(&A[j+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_pload(&A[j+iN2])),ei_pmul(ptmp3,ei_pload(&A[j+iN3]))) )));
}
- for (int j = ANP;j<AN;j+=PacketSize)
- ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_pload(&A[j+iN]))));
- #else
+ }
+ else if (aligned1==2)
+ {
for (int j = 0;j<AN;j+=PacketSize)
- ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_pload(&A[j+iN]))));
- #endif
+ {
+ ei_pstore(&X[j],
+ ei_padd(ei_pload(&X[j]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),ei_pmul(ptmp1,ei_ploadu(&A[j+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_pload(&A[j+iN2])),ei_pmul(ptmp3,ei_ploadu(&A[j+iN3]))) )));
+ }
}
else
{
- #ifdef PEELING
- int ANP = (AN/(8*PacketSize))*8*PacketSize;
- for (int j = 0;j<ANP;j+=PacketSize*8)
+ for (int j = 0;j<ANP;j+=4*PacketSize)
{
- ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_ploadu(&A[j+iN]))));
- ei_pstore(&X[j+PacketSize], ei_padd(ei_pload(&X[j+PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+PacketSize+iN]))));
- ei_pstore(&X[j+2*PacketSize], ei_padd(ei_pload(&X[j+2*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+2*PacketSize+iN]))));
- ei_pstore(&X[j+3*PacketSize], ei_padd(ei_pload(&X[j+3*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+3*PacketSize+iN]))));
- ei_pstore(&X[j+4*PacketSize], ei_padd(ei_pload(&X[j+4*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+4*PacketSize+iN]))));
- ei_pstore(&X[j+5*PacketSize], ei_padd(ei_pload(&X[j+5*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+5*PacketSize+iN]))));
- ei_pstore(&X[j+6*PacketSize], ei_padd(ei_pload(&X[j+6*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+6*PacketSize+iN]))));
- ei_pstore(&X[j+7*PacketSize], ei_padd(ei_pload(&X[j+7*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+7*PacketSize+iN]))));
+ ei_pstore(&X[j],
+ ei_padd(ei_pload(&X[j]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),ei_pmul(ptmp1,ei_ploadu(&A[j+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_ploadu(&A[j+iN2])),ei_pmul(ptmp3,ei_ploadu(&A[j+iN3]))) )));
+
+ ei_pstore(&X[j+PacketSize],
+ ei_padd(ei_pload(&X[j+PacketSize]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+PacketSize+iN0])),ei_pmul(ptmp1,ei_ploadu(&A[j+PacketSize+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_ploadu(&A[j+PacketSize+iN2])),ei_pmul(ptmp3,ei_ploadu(&A[j+PacketSize+iN3]))) )));
+
+ ei_pstore(&X[j+2*PacketSize],
+ ei_padd(ei_pload(&X[j+2*PacketSize]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+2*PacketSize+iN0])),ei_pmul(ptmp1,ei_ploadu(&A[j+2*PacketSize+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_ploadu(&A[j+2*PacketSize+iN2])),ei_pmul(ptmp3,ei_ploadu(&A[j+2*PacketSize+iN3]))) )));
+
+ ei_pstore(&X[j+3*PacketSize],
+ ei_padd(ei_pload(&X[j+3*PacketSize]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+3*PacketSize+iN0])),ei_pmul(ptmp1,ei_ploadu(&A[j+3*PacketSize+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_ploadu(&A[j+3*PacketSize+iN2])),ei_pmul(ptmp3,ei_ploadu(&A[j+3*PacketSize+iN3]))) )));
+
}
for (int j = ANP;j<AN;j+=PacketSize)
- ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_ploadu(&A[j+iN]))));
- #else
- for (int j = 0;j<AN;j+=PacketSize)
- ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_ploadu(&A[j+iN]))));
- #endif
+ ei_pstore(&X[j],
+ ei_padd(ei_pload(&X[j]),
+ ei_padd(
+ ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),ei_pmul(ptmp1,ei_ploadu(&A[j+iN1]))),
+ ei_padd(ei_pmul(ptmp2,ei_ploadu(&A[j+iN2])),ei_pmul(ptmp3,ei_ploadu(&A[j+iN3]))) )));
}
}
// process remaining scalars
for (int j=AN;j<N;j++)
- X[j] += tmp * A[j+iN];
+ X[j] += tmp0 * A[j+iN0] + tmp1 * A[j+iN1];
}
+ for (int i=bound;i<N;i++)
+ {
+ real tmp0 = B[i];
+ Packet ptmp0 = ei_pset1(tmp0);
+ int iN0 = i*N;
+ if (AN>0)
+ {
+ bool aligned0 = (iN0 % PacketSize) == 0;
+ if (aligned0)
+ for (int j = 0;j<AN;j+=PacketSize)
+ ei_pstore(&X[j], ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),ei_pload(&X[j])));
+ else
+ for (int j = 0;j<AN;j+=PacketSize)
+ ei_pstore(&X[j], ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+iN0])),ei_pload(&X[j])));
+ }
+ // process remaining scalars
+ for (int j=AN;j<N;j++)
+ X[j] += tmp0 * A[j+iN0];
+ }
+ asm("#end matrix_vector_product");
}
- static inline void atv_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
+// static inline void matrix_vector_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
+// {
+// asm("#begin matrix_vector_product");
+// int AN = (N/PacketSize)*PacketSize;
+// for (int i=0;i<N;i++)
+// X[i] = 0;
+//
+// for (int i=0;i<N;i+=2)
+// {
+// real tmp0 = B[i];
+// Packet ptmp0 = ei_pset1(tmp0);
+// real tmp1 = B[i+1];
+// Packet ptmp1 = ei_pset1(tmp1);
+// int iN0 = i*N;
+// int iN1 = (i+1)*N;
+// if (AN>0)
+// {
+// bool aligned0 = (iN0 % PacketSize) == 0;
+// bool aligned1 = (iN1 % PacketSize) == 0;
+//
+// if (aligned0 && aligned1)
+// {
+// for (int j = 0;j<AN;j+=PacketSize)
+// {
+// ei_pstore(&X[j],
+// ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_pload(&A[j+iN1])),ei_pload(&X[j]))));
+// }
+// }
+// else if (aligned0)
+// {
+// for (int j = 0;j<AN;j+=PacketSize)
+// {
+// ei_pstore(&X[j],
+// ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_ploadu(&A[j+iN1])),ei_pload(&X[j]))));
+// }
+// }
+// else if (aligned1)
+// {
+// for (int j = 0;j<AN;j+=PacketSize)
+// {
+// ei_pstore(&X[j],
+// ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_pload(&A[j+iN1])),ei_pload(&X[j]))));
+// }
+// }
+// else
+// {
+// int ANP = (AN/(4*PacketSize))*4*PacketSize;
+// for (int j = 0;j<ANP;j+=4*PacketSize)
+// {
+// ei_pstore(&X[j],
+// ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_ploadu(&A[j+iN1])),ei_pload(&X[j]))));
+//
+// ei_pstore(&X[j+PacketSize],
+// ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+PacketSize+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_ploadu(&A[j+PacketSize+iN1])),ei_pload(&X[j+PacketSize]))));
+//
+// ei_pstore(&X[j+2*PacketSize],
+// ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+2*PacketSize+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_ploadu(&A[j+2*PacketSize+iN1])),ei_pload(&X[j+2*PacketSize]))));
+//
+// ei_pstore(&X[j+3*PacketSize],
+// ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+3*PacketSize+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_ploadu(&A[j+3*PacketSize+iN1])),ei_pload(&X[j+3*PacketSize]))));
+// }
+// for (int j = ANP;j<AN;j+=PacketSize)
+// ei_pstore(&X[j],
+// ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+iN0])),
+// ei_padd(ei_pmul(ptmp1,ei_ploadu(&A[j+iN1])),ei_pload(&X[j]))));
+// }
+// }
+// // process remaining scalars
+// for (int j=AN;j<N;j++)
+// X[j] += tmp0 * A[j+iN0] + tmp1 * A[j+iN1];
+// }
+// int remaining = (N/2)*2;
+// for (int i=remaining;i<N;i++)
+// {
+// real tmp0 = B[i];
+// Packet ptmp0 = ei_pset1(tmp0);
+// int iN0 = i*N;
+// if (AN>0)
+// {
+// bool aligned0 = (iN0 % PacketSize) == 0;
+// if (aligned0)
+// for (int j = 0;j<AN;j+=PacketSize)
+// ei_pstore(&X[j], ei_padd(ei_pmul(ptmp0,ei_pload(&A[j+iN0])),ei_pload(&X[j])));
+// else
+// for (int j = 0;j<AN;j+=PacketSize)
+// ei_pstore(&X[j], ei_padd(ei_pmul(ptmp0,ei_ploadu(&A[j+iN0])),ei_pload(&X[j])));
+// }
+// // process remaining scalars
+// for (int j=AN;j<N;j++)
+// X[j] += tmp0 * A[j+iN0];
+// }
+// asm("#end matrix_vector_product");
+// }
+
+// static inline void matrix_vector_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
+// {
+// asm("#begin matrix_vector_product");
+// int AN = (N/PacketSize)*PacketSize;
+// for (int i=0;i<N;i++)
+// X[i] = 0;
+// for (int i=0;i<N;i++)
+// {
+// real tmp = B[i];
+// Packet ptmp = ei_pset1(tmp);
+// int iN = i*N;
+// if (AN>0)
+// {
+// bool aligned = (iN % PacketSize) == 0;
+// if (aligned)
+// {
+// #ifdef PEELING
+// Packet A0, A1, A2, X0, X1, X2;
+// int ANP = (AN/(8*PacketSize))*8*PacketSize;
+// for (int j = 0;j<ANP;j+=PacketSize*8)
+// {
+// A0 = ei_pload(&A[j+iN]);
+// X0 = ei_pload(&X[j]);
+// A1 = ei_pload(&A[j+PacketSize+iN]);
+// X1 = ei_pload(&X[j+PacketSize]);
+// A2 = ei_pload(&A[j+2*PacketSize+iN]);
+// X2 = ei_pload(&X[j+2*PacketSize]);
+// ei_pstore(&X[j], ei_padd(X0, ei_pmul(ptmp,A0)));
+// A0 = ei_pload(&A[j+3*PacketSize+iN]);
+// X0 = ei_pload(&X[j+3*PacketSize]);
+// ei_pstore(&X[j+PacketSize], ei_padd(ei_pload(&X1), ei_pmul(ptmp,A1)));
+// A1 = ei_pload(&A[j+4*PacketSize+iN]);
+// X1 = ei_pload(&X[j+4*PacketSize]);
+// ei_pstore(&X[j+2*PacketSize], ei_padd(ei_pload(&X2), ei_pmul(ptmp,A2)));
+// A2 = ei_pload(&A[j+5*PacketSize+iN]);
+// X2 = ei_pload(&X[j+5*PacketSize]);
+// ei_pstore(&X[j+3*PacketSize], ei_padd(ei_pload(&X0), ei_pmul(ptmp,A0)));
+// A0 = ei_pload(&A[j+6*PacketSize+iN]);
+// X0 = ei_pload(&X[j+6*PacketSize]);
+// ei_pstore(&X[j+4*PacketSize], ei_padd(ei_pload(&X1), ei_pmul(ptmp,A1)));
+// A1 = ei_pload(&A[j+7*PacketSize+iN]);
+// X1 = ei_pload(&X[j+7*PacketSize]);
+// ei_pstore(&X[j+5*PacketSize], ei_padd(ei_pload(&X2), ei_pmul(ptmp,A2)));
+// ei_pstore(&X[j+6*PacketSize], ei_padd(ei_pload(&X0), ei_pmul(ptmp,A0)));
+// ei_pstore(&X[j+7*PacketSize], ei_padd(ei_pload(&X1), ei_pmul(ptmp,A1)));
+// //
+// // ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_pload(&A[j+iN]))));
+// // ei_pstore(&X[j+PacketSize], ei_padd(ei_pload(&X[j+PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+PacketSize+iN]))));
+// // ei_pstore(&X[j+2*PacketSize], ei_padd(ei_pload(&X[j+2*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+2*PacketSize+iN]))));
+// // ei_pstore(&X[j+3*PacketSize], ei_padd(ei_pload(&X[j+3*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+3*PacketSize+iN]))));
+// // ei_pstore(&X[j+4*PacketSize], ei_padd(ei_pload(&X[j+4*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+4*PacketSize+iN]))));
+// // ei_pstore(&X[j+5*PacketSize], ei_padd(ei_pload(&X[j+5*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+5*PacketSize+iN]))));
+// // ei_pstore(&X[j+6*PacketSize], ei_padd(ei_pload(&X[j+6*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+6*PacketSize+iN]))));
+// // ei_pstore(&X[j+7*PacketSize], ei_padd(ei_pload(&X[j+7*PacketSize]), ei_pmul(ptmp,ei_pload(&A[j+7*PacketSize+iN]))));
+// }
+// for (int j = ANP;j<AN;j+=PacketSize)
+// ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_pload(&A[j+iN]))));
+// #else
+// for (int j = 0;j<AN;j+=PacketSize)
+// ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_pload(&A[j+iN]))));
+// #endif
+// }
+// else
+// {
+// #ifdef PEELING
+// int ANP = (AN/(8*PacketSize))*8*PacketSize;
+// for (int j = 0;j<ANP;j+=PacketSize*8)
+// {
+// ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_ploadu(&A[j+iN]))));
+// ei_pstore(&X[j+PacketSize], ei_padd(ei_pload(&X[j+PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+PacketSize+iN]))));
+// ei_pstore(&X[j+2*PacketSize], ei_padd(ei_pload(&X[j+2*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+2*PacketSize+iN]))));
+// ei_pstore(&X[j+3*PacketSize], ei_padd(ei_pload(&X[j+3*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+3*PacketSize+iN]))));
+// ei_pstore(&X[j+4*PacketSize], ei_padd(ei_pload(&X[j+4*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+4*PacketSize+iN]))));
+// ei_pstore(&X[j+5*PacketSize], ei_padd(ei_pload(&X[j+5*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+5*PacketSize+iN]))));
+// ei_pstore(&X[j+6*PacketSize], ei_padd(ei_pload(&X[j+6*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+6*PacketSize+iN]))));
+// ei_pstore(&X[j+7*PacketSize], ei_padd(ei_pload(&X[j+7*PacketSize]), ei_pmul(ptmp,ei_ploadu(&A[j+7*PacketSize+iN]))));
+// }
+// for (int j = ANP;j<AN;j+=PacketSize)
+// ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_ploadu(&A[j+iN]))));
+// #else
+// for (int j = 0;j<AN;j+=PacketSize)
+// ei_pstore(&X[j], ei_padd(ei_pload(&X[j]), ei_pmul(ptmp,ei_ploadu(&A[j+iN]))));
+// #endif
+// }
+// }
+// // process remaining scalars
+// for (int j=AN;j<N;j++)
+// X[j] += tmp * A[j+iN];
+// }
+// asm("#end matrix_vector_product");
+// }
+
+ static inline void atv_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
{
int AN = (N/PacketSize)*PacketSize;
- for (int i=0;i<N;i++)
- X[i] = 0;
- for (int i=0;i<N;i++)
+ int bound = (N/4)*4;
+ for (int i=0;i<bound;i+=4)
{
- real tmp = 0;
- Packet ptmp = ei_pset1(real(0));
- int iN = i*N;
+ real tmp0 = 0;
+ Packet ptmp0 = ei_pset1(real(0));
+ real tmp1 = 0;
+ Packet ptmp1 = ei_pset1(real(0));
+ real tmp2 = 0;
+ Packet ptmp2 = ei_pset1(real(0));
+ real tmp3 = 0;
+ Packet ptmp3 = ei_pset1(real(0));
+ int iN0 = i*N;
+ int iN1 = (i+1)*N;
+ int iN2 = (i+2)*N;
+ int iN3 = (i+3)*N;
if (AN>0)
{
- bool aligned = (iN % PacketSize) == 0;
- if (aligned)
+ int align1 = (iN1 % PacketSize);
+ if (align1==0)
{
- #ifdef PEELING
- int ANP = (AN/(8*PacketSize))*8*PacketSize;
- for (int j = 0;j<ANP;j+=PacketSize*8)
+ for (int j = 0;j<AN;j+=PacketSize)
{
- ptmp =
- ei_padd(ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+PacketSize]), ei_pload(&A[j+PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+2*PacketSize]), ei_pload(&A[j+2*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+3*PacketSize]), ei_pload(&A[j+3*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+4*PacketSize]), ei_pload(&A[j+4*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+5*PacketSize]), ei_pload(&A[j+5*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+6*PacketSize]), ei_pload(&A[j+6*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+7*PacketSize]), ei_pload(&A[j+7*PacketSize+iN])),
- ptmp))))))));
+ Packet b = ei_pload(&B[j]);
+ ptmp0 = ei_padd(ptmp0, ei_pmul(b, ei_pload(&A[j+iN0])));
+ ptmp1 = ei_padd(ptmp1, ei_pmul(b, ei_pload(&A[j+iN1])));
+ ptmp2 = ei_padd(ptmp2, ei_pmul(b, ei_pload(&A[j+iN2])));
+ ptmp3 = ei_padd(ptmp3, ei_pmul(b, ei_pload(&A[j+iN3])));
}
- for (int j = ANP;j<AN;j+=PacketSize)
- ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN])));
- #else
+ }
+ else if (align1==2)
+ {
for (int j = 0;j<AN;j+=PacketSize)
- ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN])));
- #endif
+ {
+ Packet b = ei_pload(&B[j]);
+ ptmp0 = ei_padd(ptmp0, ei_pmul(b, ei_pload(&A[j+iN0])));
+ ptmp1 = ei_padd(ptmp1, ei_pmul(b, ei_ploadu(&A[j+iN1])));
+ ptmp2 = ei_padd(ptmp2, ei_pmul(b, ei_pload(&A[j+iN2])));
+ ptmp3 = ei_padd(ptmp3, ei_pmul(b, ei_ploadu(&A[j+iN3])));
+ }
}
else
{
- #ifdef PEELING
- int ANP = (AN/(8*PacketSize))*8*PacketSize;
- for (int j = 0;j<ANP;j+=PacketSize*8)
+ for (int j = 0;j<AN;j+=PacketSize)
{
- ptmp =
- ei_padd(ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+PacketSize]), ei_ploadu(&A[j+PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+2*PacketSize]), ei_ploadu(&A[j+2*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+3*PacketSize]), ei_ploadu(&A[j+3*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+4*PacketSize]), ei_ploadu(&A[j+4*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+5*PacketSize]), ei_ploadu(&A[j+5*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+6*PacketSize]), ei_ploadu(&A[j+6*PacketSize+iN])),
- ei_padd(ei_pmul(ei_pload(&B[j+7*PacketSize]), ei_ploadu(&A[j+7*PacketSize+iN])),
- ptmp))))))));
+ Packet b = ei_pload(&B[j]);
+ ptmp0 = ei_padd(ptmp0, ei_pmul(b, ei_pload(&A[j+iN0])));
+ ptmp1 = ei_padd(ptmp1, ei_pmul(b, ei_ploadu(&A[j+iN1])));
+ ptmp2 = ei_padd(ptmp2, ei_pmul(b, ei_ploadu(&A[j+iN2])));
+ ptmp3 = ei_padd(ptmp3, ei_pmul(b, ei_ploadu(&A[j+iN3])));
}
- for (int j = ANP;j<AN;j+=PacketSize)
- ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN])));
- #else
- for (int j = 0;j<AN;j+=PacketSize)
- ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN])));
- #endif
}
- tmp = ei_predux(ptmp);
+ tmp0 = ei_predux(ptmp0);
+ tmp1 = ei_predux(ptmp1);
+ tmp2 = ei_predux(ptmp2);
+ tmp3 = ei_predux(ptmp3);
}
// process remaining scalars
for (int j=AN;j<N;j++)
- tmp += B[j] * A[j+iN];
- X[i] = tmp;
+ {
+ tmp0 += B[j] * A[j+iN0];
+ tmp1 += B[j] * A[j+iN1];
+ tmp2 += B[j] * A[j+iN2];
+ tmp3 += B[j] * A[j+iN3];
+ }
+ X[i+0] = tmp0;
+ X[i+1] = tmp1;
+ X[i+2] = tmp2;
+ X[i+3] = tmp3;
+ }
+
+ for (int i=bound;i<N;i++)
+ {
+ real tmp0 = 0;
+ Packet ptmp0 = ei_pset1(real(0));
+ int iN0 = i*N;
+ if (AN>0)
+ {
+ if (iN0 % PacketSize==0)
+ for (int j = 0;j<AN;j+=PacketSize)
+ ptmp0 = ei_padd(ptmp0, ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN0])));
+ else
+ for (int j = 0;j<AN;j+=PacketSize)
+ ptmp0 = ei_padd(ptmp0, ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN0])));
+ tmp0 = ei_predux(ptmp0);
+ }
+ // process remaining scalars
+ for (int j=AN;j<N;j++)
+ tmp0 += B[j] * A[j+iN0];
+ X[i+0] = tmp0;
}
}
+// static inline void atv_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N)
+// {
+// int AN = (N/PacketSize)*PacketSize;
+// for (int i=0;i<N;i++)
+// X[i] = 0;
+// for (int i=0;i<N;i++)
+// {
+// real tmp = 0;
+// Packet ptmp = ei_pset1(real(0));
+// int iN = i*N;
+// if (AN>0)
+// {
+// bool aligned = (iN % PacketSize) == 0;
+// if (aligned)
+// {
+// #ifdef PEELING
+// int ANP = (AN/(8*PacketSize))*8*PacketSize;
+// for (int j = 0;j<ANP;j+=PacketSize*8)
+// {
+// ptmp =
+// ei_padd(ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+PacketSize]), ei_pload(&A[j+PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+2*PacketSize]), ei_pload(&A[j+2*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+3*PacketSize]), ei_pload(&A[j+3*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+4*PacketSize]), ei_pload(&A[j+4*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+5*PacketSize]), ei_pload(&A[j+5*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+6*PacketSize]), ei_pload(&A[j+6*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+7*PacketSize]), ei_pload(&A[j+7*PacketSize+iN])),
+// ptmp))))))));
+// }
+// for (int j = ANP;j<AN;j+=PacketSize)
+// ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN])));
+// #else
+// for (int j = 0;j<AN;j+=PacketSize)
+// ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_pload(&A[j+iN])));
+// #endif
+// }
+// else
+// {
+// #ifdef PEELING
+// int ANP = (AN/(8*PacketSize))*8*PacketSize;
+// for (int j = 0;j<ANP;j+=PacketSize*8)
+// {
+// ptmp =
+// ei_padd(ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+PacketSize]), ei_ploadu(&A[j+PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+2*PacketSize]), ei_ploadu(&A[j+2*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+3*PacketSize]), ei_ploadu(&A[j+3*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+4*PacketSize]), ei_ploadu(&A[j+4*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+5*PacketSize]), ei_ploadu(&A[j+5*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+6*PacketSize]), ei_ploadu(&A[j+6*PacketSize+iN])),
+// ei_padd(ei_pmul(ei_pload(&B[j+7*PacketSize]), ei_ploadu(&A[j+7*PacketSize+iN])),
+// ptmp))))))));
+// }
+// for (int j = ANP;j<AN;j+=PacketSize)
+// ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN])));
+// #else
+// for (int j = 0;j<AN;j+=PacketSize)
+// ptmp = ei_padd(ptmp, ei_pmul(ei_pload(&B[j]), ei_ploadu(&A[j+iN])));
+// #endif
+// }
+// tmp = ei_predux(ptmp);
+// }
+// // process remaining scalars
+// for (int j=AN;j<N;j++)
+// tmp += B[j] * A[j+iN];
+// X[i] = tmp;
+// }
+// }
+
static inline void axpy(real coef, const gene_vector & X, gene_vector & Y, int N){
int AN = (N/PacketSize)*PacketSize;
if (AN>0)