Squashed 'third_party/eigen/' content from commit 61d72f6

Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/bench/btl/generic_bench/bench.hh b/bench/btl/generic_bench/bench.hh
new file mode 100644
index 0000000..005c363
--- /dev/null
+++ b/bench/btl/generic_bench/bench.hh
@@ -0,0 +1,168 @@
+//=====================================================
+// File   :  bench.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  lun sep 30 14:23:16 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
+// GNU General Public License for more details.
+// 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 BENCH_HH
+#define BENCH_HH
+
+#include "btl.hh"
+#include "bench_parameter.hh"
+#include <iostream>
+#include "utilities.h"
+#include "size_lin_log.hh"
+#include "xy_file.hh"
+#include <vector>
+#include <string>
+#include "timers/portable_perf_analyzer.hh"
+// #include "timers/mixed_perf_analyzer.hh"
+// #include "timers/x86_perf_analyzer.hh"
+// #include "timers/STL_perf_analyzer.hh"
+#ifdef HAVE_MKL
+extern "C" void cblas_saxpy(const int, const float, const float*, const int, float *, const int);
+#endif
+using namespace std;
+
+template <template<class> class Perf_Analyzer, class Action>
+BTL_DONT_INLINE void bench( int size_min, int size_max, int nb_point )
+{
+  if (BtlConfig::skipAction(Action::name()))
+    return;
+
+  string filename="bench_"+Action::name()+".dat";
+
+  INFOS("starting " <<filename);
+
+  // utilities
+
+  std::vector<double> tab_mflops(nb_point);
+  std::vector<int> tab_sizes(nb_point);
+
+  // matrices and vector size calculations
+  size_lin_log(nb_point,size_min,size_max,tab_sizes);
+
+  std::vector<int> oldSizes;
+  std::vector<double> oldFlops;
+  bool hasOldResults = read_xy_file(filename, oldSizes, oldFlops, true);
+  int oldi = oldSizes.size() - 1;
+
+  // loop on matrix size
+  Perf_Analyzer<Action> perf_action;
+  for (int i=nb_point-1;i>=0;i--)
+  {
+    //INFOS("size=" <<tab_sizes[i]<<"   ("<<nb_point-i<<"/"<<nb_point<<")");
+    std::cout << " " << "size = " << tab_sizes[i] << "  " << std::flush;
+
+    BTL_DISABLE_SSE_EXCEPTIONS();
+    #ifdef HAVE_MKL
+    {
+      float dummy;
+      cblas_saxpy(1,0,&dummy,1,&dummy,1);
+    }
+    #endif
+
+    tab_mflops[i] = perf_action.eval_mflops(tab_sizes[i]);
+    std::cout << tab_mflops[i];
+    
+    if (hasOldResults)
+    {
+      while (oldi>=0 && oldSizes[oldi]>tab_sizes[i])
+        --oldi;
+      if (oldi>=0 && oldSizes[oldi]==tab_sizes[i])
+      {
+        if (oldFlops[oldi]<tab_mflops[i])
+          std::cout << "\t > ";
+        else
+          std::cout << "\t < ";
+        std::cout << oldFlops[oldi];
+      }
+      --oldi;
+    }
+    std::cout << " MFlops    (" << nb_point-i << "/" << nb_point << ")" << std::endl;
+  }
+
+  if (!BtlConfig::Instance.overwriteResults)
+  {
+    if (hasOldResults)
+    {
+      // merge the two data
+      std::vector<int> newSizes;
+      std::vector<double> newFlops;
+      int i=0;
+      int j=0;
+      while (i<tab_sizes.size() && j<oldSizes.size())
+      {
+        if (tab_sizes[i] == oldSizes[j])
+        {
+          newSizes.push_back(tab_sizes[i]);
+          newFlops.push_back(std::max(tab_mflops[i], oldFlops[j]));
+          ++i;
+          ++j;
+        }
+        else if (tab_sizes[i] < oldSizes[j])
+        {
+          newSizes.push_back(tab_sizes[i]);
+          newFlops.push_back(tab_mflops[i]);
+          ++i;
+        }
+        else
+        {
+          newSizes.push_back(oldSizes[j]);
+          newFlops.push_back(oldFlops[j]);
+          ++j;
+        }
+      }
+      while (i<tab_sizes.size())
+      {
+        newSizes.push_back(tab_sizes[i]);
+        newFlops.push_back(tab_mflops[i]);
+        ++i;
+      }
+      while (j<oldSizes.size())
+      {
+        newSizes.push_back(oldSizes[j]);
+        newFlops.push_back(oldFlops[j]);
+        ++j;
+      }
+      tab_mflops = newFlops;
+      tab_sizes = newSizes;
+    }
+  }
+
+  // dump the result in a file  :
+  dump_xy_file(tab_sizes,tab_mflops,filename);
+
+}
+
+// default Perf Analyzer
+
+template <class Action>
+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);
+  // if the rdtsc is available :
+//    bench<Mixed_Perf_Analyzer,Action>(size_min,size_max,nb_point);
+
+
+  // Only for small problem size. Otherwize it will be too long
+//   bench<X86_Perf_Analyzer,Action>(size_min,size_max,nb_point);
+//   bench<STL_Perf_Analyzer,Action>(size_min,size_max,nb_point);
+
+}
+
+#endif
diff --git a/bench/btl/generic_bench/bench_parameter.hh b/bench/btl/generic_bench/bench_parameter.hh
new file mode 100644
index 0000000..4c355cd
--- /dev/null
+++ b/bench/btl/generic_bench/bench_parameter.hh
@@ -0,0 +1,53 @@
+//=====================================================
+// File   :  bench_parameter.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  lun sep 30 14:23:16 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
+// GNU General Public License for more details.
+// 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 BENCH_PARAMETER_HH
+#define BENCH_PARAMETER_HH
+
+// minimal time for each measurement
+#define REAL_TYPE float
+// minimal time for each measurement
+#define MIN_TIME 0.2
+// nb of point on bench curves
+#define NB_POINT 100
+// min vector size for axpy bench
+#define MIN_AXPY 5
+// max vector size for axpy bench
+#define MAX_AXPY 1000000
+// min matrix size for matrix vector product bench
+#define MIN_MV 5
+// max matrix size for matrix vector product bench
+#define MAX_MV 3000
+// min matrix size for matrix matrix product bench
+#define MIN_MM 5
+// max matrix size for matrix matrix product bench
+#define MAX_MM MAX_MV
+// min matrix size for LU bench
+#define MIN_LU 5
+// max matrix size for LU bench
+#define MAX_LU 3000
+// max size for tiny vector and matrix
+#define TINY_MV_MAX_SIZE 16
+// default nb_sample for x86 timer
+#define DEFAULT_NB_SAMPLE 1000
+
+// how many times we run a single bench (keep the best perf)
+#define DEFAULT_NB_TRIES 3
+
+#endif
diff --git a/bench/btl/generic_bench/btl.hh b/bench/btl/generic_bench/btl.hh
new file mode 100644
index 0000000..f1a88ff
--- /dev/null
+++ b/bench/btl/generic_bench/btl.hh
@@ -0,0 +1,247 @@
+//=====================================================
+// File   :  btl.hh
+// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+//=====================================================
+//
+// 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
+// GNU General Public License for more details.
+// 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 BTL_HH
+#define BTL_HH
+
+#include "bench_parameter.hh"
+#include <iostream>
+#include <algorithm>
+#include <vector>
+#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
+
+#if (defined __GNUC__)
+#define BTL_ASM_COMMENT(X)  asm("#" X)
+#else
+#define BTL_ASM_COMMENT(X)
+#endif
+
+#if (defined __GNUC__) && (!defined __INTEL_COMPILER) && !defined(__arm__) && !defined(__powerpc__)
+#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 BTL_DISABLE_SSE_EXCEPTIONS()
+#endif
+
+/** Enhanced std::string
+*/
+class BtlString : public std::string
+{
+public:
+    BtlString() : std::string() {}
+    BtlString(const BtlString& str) : std::string(static_cast<const std::string&>(str)) {}
+    BtlString(const std::string& str) : std::string(str) {}
+    BtlString(const char* str) : std::string(str) {}
+
+    operator const char* () const { return c_str(); }
+
+    void trim( bool left = true, bool right = true )
+    {
+        int lspaces, rspaces, len = length(), i;
+        lspaces = rspaces = 0;
+
+        if ( left )
+            for (i=0; i<len && (at(i)==' '||at(i)=='\t'||at(i)=='\r'||at(i)=='\n'); ++lspaces,++i);
+
+        if ( right && lspaces < len )
+            for(i=len-1; i>=0 && (at(i)==' '||at(i)=='\t'||at(i)=='\r'||at(i)=='\n'); rspaces++,i--);
+
+        *this = substr(lspaces, len-lspaces-rspaces);
+    }
+
+    std::vector<BtlString> split( const BtlString& delims = "\t\n ") const
+    {
+        std::vector<BtlString> ret;
+        unsigned int numSplits = 0;
+        size_t start, pos;
+        start = 0;
+        do
+        {
+            pos = find_first_of(delims, start);
+            if (pos == start)
+            {
+                ret.push_back("");
+                start = pos + 1;
+            }
+            else if (pos == npos)
+                ret.push_back( substr(start) );
+            else
+            {
+                ret.push_back( substr(start, pos - start) );
+                start = pos + 1;
+            }
+            //start = find_first_not_of(delims, start);
+            ++numSplits;
+        } while (pos != npos);
+        return ret;
+    }
+
+    bool endsWith(const BtlString& str) const
+    {
+        if(str.size()>this->size())
+            return false;
+        return this->substr(this->size()-str.size(),str.size()) == str;
+    }
+    bool contains(const BtlString& str) const
+    {
+        return this->find(str)<this->size();
+    }
+    bool beginsWith(const BtlString& str) const
+    {
+        if(str.size()>this->size())
+            return false;
+        return this->substr(0,str.size()) == str;
+    }
+
+    BtlString toLowerCase( void )
+    {
+        std::transform(begin(), end(), begin(), static_cast<int(*)(int)>(::tolower) );
+        return *this;
+    }
+    BtlString toUpperCase( void )
+    {
+        std::transform(begin(), end(), begin(), static_cast<int(*)(int)>(::toupper) );
+        return *this;
+    }
+
+    /** Case insensitive comparison.
+    */
+    bool isEquiv(const BtlString& str) const
+    {
+        BtlString str0 = *this;
+        str0.toLowerCase();
+        BtlString str1 = str;
+        str1.toLowerCase();
+        return str0 == str1;
+    }
+
+    /** Decompose the current string as a path and a file.
+        For instance: "dir1/dir2/file.ext" leads to path="dir1/dir2/" and filename="file.ext"
+    */
+    void decomposePathAndFile(BtlString& path, BtlString& filename) const
+    {
+        std::vector<BtlString> elements = this->split("/\\");
+        path = "";
+        filename = elements.back();
+        elements.pop_back();
+        if (this->at(0)=='/')
+            path = "/";
+        for (unsigned int i=0 ; i<elements.size() ; ++i)
+            path += elements[i] + "/";
+    }
+};
+
+class BtlConfig
+{
+public:
+  BtlConfig()
+    : overwriteResults(false), checkResults(true), realclock(false), tries(DEFAULT_NB_TRIES)
+  {
+    char * _config;
+    _config = getenv ("BTL_CONFIG");
+    if (_config!=NULL)
+    {
+      std::vector<BtlString> config = BtlString(_config).split(" \t\n");
+      for (int i = 0; i<config.size(); i++)
+      {
+        if (config[i].beginsWith("-a"))
+        {
+          if (i+1==config.size())
+          {
+            std::cerr << "error processing option: " << config[i] << "\n";
+            exit(2);
+          }
+          Instance.m_selectedActionNames = config[i+1].split(":");
+
+          i += 1;
+        }
+        else if (config[i].beginsWith("-t"))
+        {
+          if (i+1==config.size())
+          {
+            std::cerr << "error processing option: " << config[i] << "\n";
+            exit(2);
+          }
+          Instance.tries = atoi(config[i+1].c_str());
+
+          i += 1;
+        }
+        else if (config[i].beginsWith("--overwrite"))
+        {
+          Instance.overwriteResults = true;
+        }
+        else if (config[i].beginsWith("--nocheck"))
+        {
+          Instance.checkResults = false;
+        }
+        else if (config[i].beginsWith("--real"))
+        {
+          Instance.realclock = true;
+        }
+      }
+    }
+
+    BTL_DISABLE_SSE_EXCEPTIONS();
+  }
+
+  BTL_DONT_INLINE static bool skipAction(const std::string& _name)
+  {
+    if (Instance.m_selectedActionNames.empty())
+      return false;
+
+    BtlString name(_name);
+    for (int i=0; i<Instance.m_selectedActionNames.size(); ++i)
+      if (name.contains(Instance.m_selectedActionNames[i]))
+        return false;
+
+    return true;
+  }
+
+  static BtlConfig Instance;
+  bool overwriteResults;
+  bool checkResults;
+  bool realclock;
+  int tries;
+
+protected:
+  std::vector<BtlString> m_selectedActionNames;
+};
+
+#define BTL_MAIN \
+  BtlConfig BtlConfig::Instance
+
+#endif // BTL_HH
diff --git a/bench/btl/generic_bench/init/init_function.hh b/bench/btl/generic_bench/init/init_function.hh
new file mode 100644
index 0000000..7b3bdba
--- /dev/null
+++ b/bench/btl/generic_bench/init/init_function.hh
@@ -0,0 +1,54 @@
+//=====================================================
+// File   :  init_function.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  lun sep 30 14:23:18 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
+// GNU General Public License for more details.
+// 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_FUNCTION_HH
+#define INIT_FUNCTION_HH
+
+double simple_function(int index)
+{
+  return index;
+}
+
+double simple_function(int index_i, int index_j)
+{
+  return index_i+index_j;
+}
+
+double pseudo_random(int index)
+{
+  return std::rand()/double(RAND_MAX);
+}
+
+double pseudo_random(int index_i, int index_j)
+{
+  return std::rand()/double(RAND_MAX);
+}
+
+
+double null_function(int index)
+{
+  return 0.0;
+}
+
+double null_function(int index_i, int index_j)
+{
+  return 0.0;
+}
+
+#endif
diff --git a/bench/btl/generic_bench/init/init_matrix.hh b/bench/btl/generic_bench/init/init_matrix.hh
new file mode 100644
index 0000000..67cbd20
--- /dev/null
+++ b/bench/btl/generic_bench/init/init_matrix.hh
@@ -0,0 +1,64 @@
+//=====================================================
+// File   :  init_matrix.hh
+// 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
+// GNU General Public License for more details.
+// 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
+
+// The Vector class must satisfy the following part of STL vector concept :
+//            resize() method
+//            [] operator for setting element
+//            value_type defined
+template<double init_function(int,int), class Vector>
+BTL_DONT_INLINE void init_row(Vector & X, int size, int row){
+
+  X.resize(size);
+
+  for (int j=0;j<X.size();j++){
+    X[j]=typename Vector::value_type(init_function(row,j));
+  }
+}
+
+
+// Matrix is a Vector of Vector
+// The Matrix class must satisfy the following part of STL vector concept :
+//            resize() method
+//            [] operator for setting rows
+template<double init_function(int,int),class Vector>
+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);
+  }
+}
+
+template<double init_function(int,int),class Matrix>
+BTL_DONT_INLINE void init_matrix_symm(Matrix&  A, int size){
+  A.resize(size);
+  for (int row=0; row<A.size() ; row++)
+    A[row].resize(size);
+  for (int row=0; row<A.size() ; row++){
+    A[row][row] = init_function(row,row);
+    for (int col=0; col<row ; col++){
+      double x = init_function(row,col);
+      A[row][col] = A[col][row] = x;
+    }
+  }
+}
+
+#endif
diff --git a/bench/btl/generic_bench/init/init_vector.hh b/bench/btl/generic_bench/init/init_vector.hh
new file mode 100644
index 0000000..efaf0c9
--- /dev/null
+++ b/bench/btl/generic_bench/init/init_vector.hh
@@ -0,0 +1,37 @@
+//=====================================================
+// File   :  init_vector.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  lun sep 30 14:23:18 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
+// GNU General Public License for more details.
+// 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_VECTOR_HH
+#define INIT_VECTOR_HH
+
+// The Vector class must satisfy the following part of STL vector concept :
+//            resize() method
+//            [] operator for setting element
+//            value_type defined
+template<double init_function(int), class Vector>
+void init_vector(Vector & X, int size){
+
+  X.resize(size);
+
+  for (int i=0;i<X.size();i++){
+    X[i]=typename Vector::value_type(init_function(i));
+  }
+}
+
+#endif
diff --git a/bench/btl/generic_bench/static/bench_static.hh b/bench/btl/generic_bench/static/bench_static.hh
new file mode 100644
index 0000000..23b55ec
--- /dev/null
+++ b/bench/btl/generic_bench/static/bench_static.hh
@@ -0,0 +1,80 @@
+//=====================================================
+// File   :  bench_static.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  lun sep 30 14:23:16 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
+// GNU General Public License for more details.
+// 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 BENCH_STATIC_HH
+#define BENCH_STATIC_HH
+
+#include "btl.hh"
+#include "bench_parameter.hh"
+#include <iostream>
+#include "utilities.h"
+#include "xy_file.hh"
+#include "static/static_size_generator.hh"
+#include "timers/portable_perf_analyzer.hh"
+// #include "timers/mixed_perf_analyzer.hh"
+// #include "timers/x86_perf_analyzer.hh"
+
+using namespace std;
+
+
+template <template<class> class Perf_Analyzer, template<class> class Action, template<class,int> class Interface>
+BTL_DONT_INLINE  void bench_static(void)
+{
+  if (BtlConfig::skipAction(Action<Interface<REAL_TYPE,10> >::name()))
+    return;
+
+  string filename = "bench_" + Action<Interface<REAL_TYPE,10> >::name() + ".dat";
+
+  INFOS("starting " << filename);
+
+  const int max_size = TINY_MV_MAX_SIZE;
+
+  std::vector<double> tab_mflops;
+  std::vector<double> tab_sizes;
+
+  static_size_generator<max_size,Perf_Analyzer,Action,Interface>::go(tab_sizes,tab_mflops);
+
+  dump_xy_file(tab_sizes,tab_mflops,filename);
+}
+
+// default Perf Analyzer
+template <template<class> class Action, template<class,int> class Interface>
+BTL_DONT_INLINE  void bench_static(void)
+{
+  bench_static<Portable_Perf_Analyzer,Action,Interface>();
+  //bench_static<Mixed_Perf_Analyzer,Action,Interface>();
+  //bench_static<X86_Perf_Analyzer,Action,Interface>();
+}
+
+#endif
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/bench/btl/generic_bench/static/intel_bench_fixed_size.hh b/bench/btl/generic_bench/static/intel_bench_fixed_size.hh
new file mode 100644
index 0000000..b4edcbc
--- /dev/null
+++ b/bench/btl/generic_bench/static/intel_bench_fixed_size.hh
@@ -0,0 +1,66 @@
+//=====================================================
+// File   :  intel_bench_fixed_size.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar déc 3 18:59:37 CET 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
+// GNU General Public License for more details.
+// 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 _BENCH_FIXED_SIZE_HH_
+#define _BENCH_FIXED_SIZE_HH_
+
+#include "utilities.h"
+#include "function_time.hh"
+
+template <class Action>
+double bench_fixed_size(int size, unsigned long long  & nb_calc,unsigned long long & nb_init)
+{
+  
+  Action action(size);
+  
+  double time_baseline=time_init(nb_init,action);
+
+  while (time_baseline < MIN_TIME) {
+
+    //INFOS("nb_init="<<nb_init);
+    //INFOS("time_baseline="<<time_baseline);
+    nb_init*=2;
+    time_baseline=time_init(nb_init,action);
+  }
+  
+  time_baseline=time_baseline/(double(nb_init));
+  
+  double time_action=time_calculate(nb_calc,action);
+  
+  while (time_action < MIN_TIME) {
+    
+    nb_calc*=2;
+    time_action=time_calculate(nb_calc,action);
+  }
+
+  INFOS("nb_init="<<nb_init);
+  INFOS("nb_calc="<<nb_calc);
+  
+  
+  time_action=time_action/(double(nb_calc));
+  
+  action.check_result();
+  
+  time_action=time_action-time_baseline;
+
+  return action.nb_op_base()/(time_action*1000000.0);
+
+}
+
+#endif
diff --git a/bench/btl/generic_bench/static/static_size_generator.hh b/bench/btl/generic_bench/static/static_size_generator.hh
new file mode 100644
index 0000000..dd02df3
--- /dev/null
+++ b/bench/btl/generic_bench/static/static_size_generator.hh
@@ -0,0 +1,57 @@
+//=====================================================
+// File   :  static_size_generator.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar déc 3 18:59:36 CET 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
+// GNU General Public License for more details.
+// 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 _STATIC_SIZE_GENERATOR_HH
+#define _STATIC_SIZE_GENERATOR_HH
+#include <vector>
+
+using namespace std;
+
+//recursive generation of statically defined matrix and vector sizes
+
+template <int SIZE,template<class> class Perf_Analyzer, template<class> class Action, template<class,int> class Interface> 
+struct static_size_generator{
+  static void go(vector<double> & tab_sizes, vector<double> & tab_mflops)
+  {
+    tab_sizes.push_back(SIZE);
+    std::cout << tab_sizes.back() << " \t" << std::flush;
+    Perf_Analyzer<Action<Interface<REAL_TYPE,SIZE> > > perf_action;
+    tab_mflops.push_back(perf_action.eval_mflops(SIZE));
+    std::cout << tab_mflops.back() << " MFlops" << std::endl;
+    static_size_generator<SIZE-1,Perf_Analyzer,Action,Interface>::go(tab_sizes,tab_mflops);
+  };
+};
+
+//recursion end
+
+template <template<class> class Perf_Analyzer, template<class> class Action, template<class,int> class Interface> 
+struct static_size_generator<1,Perf_Analyzer,Action,Interface>{  
+  static  void go(vector<double> & tab_sizes, vector<double> & tab_mflops)
+  {
+    tab_sizes.push_back(1);
+    Perf_Analyzer<Action<Interface<REAL_TYPE,1> > > perf_action;
+    tab_mflops.push_back(perf_action.eval_mflops(1));
+  };
+};
+
+#endif
+  
+  
+  
+  
diff --git a/bench/btl/generic_bench/timers/STL_perf_analyzer.hh b/bench/btl/generic_bench/timers/STL_perf_analyzer.hh
new file mode 100644
index 0000000..c9f894b
--- /dev/null
+++ b/bench/btl/generic_bench/timers/STL_perf_analyzer.hh
@@ -0,0 +1,82 @@
+//=====================================================
+// File   :  STL_perf_analyzer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar déc 3 18:59:35 CET 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
+// GNU General Public License for more details.
+// 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 _STL_PERF_ANALYSER_HH
+#define _STL_PERF_ANALYSER_HH
+
+#include "STL_timer.hh"
+#include "bench_parameter.hh"
+
+template<class ACTION>
+class STL_Perf_Analyzer{
+public:  
+  STL_Perf_Analyzer(unsigned long long nb_sample=DEFAULT_NB_SAMPLE):_nb_sample(nb_sample),_chronos()
+  {
+    MESSAGE("STL_Perf_Analyzer Ctor");
+  }; 
+  STL_Perf_Analyzer( const STL_Perf_Analyzer & ){
+    INFOS("Copy Ctor not implemented");
+    exit(0);
+  };
+  ~STL_Perf_Analyzer( void ){
+    MESSAGE("STL_Perf_Analyzer Dtor");
+  };
+  
+  
+  inline double eval_mflops(int size)
+  {
+
+    ACTION action(size);
+
+    _chronos.start_baseline(_nb_sample);
+      
+    do {
+
+      action.initialize();
+    } while (_chronos.check());
+
+    double baseline_time=_chronos.get_time();
+
+    _chronos.start(_nb_sample);
+    do {
+      action.initialize();
+      action.calculate();
+    } while (_chronos.check());
+
+    double calculate_time=_chronos.get_time();
+
+    double corrected_time=calculate_time-baseline_time;
+    
+    //    cout << size <<" "<<baseline_time<<" "<<calculate_time<<" "<<corrected_time<<" "<<action.nb_op_base() << endl;    
+    
+    return action.nb_op_base()/(corrected_time*1000000.0);
+    //return action.nb_op_base()/(calculate_time*1000000.0);
+    
+  }
+private:
+
+  STL_Timer _chronos;
+  unsigned long long _nb_sample;
+
+  
+};
+
+  
+  
+#endif
diff --git a/bench/btl/generic_bench/timers/STL_timer.hh b/bench/btl/generic_bench/timers/STL_timer.hh
new file mode 100644
index 0000000..19c54e9
--- /dev/null
+++ b/bench/btl/generic_bench/timers/STL_timer.hh
@@ -0,0 +1,78 @@
+//=====================================================
+// File   :  STL_Timer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar déc 3 18:59:35 CET 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
+// GNU General Public License for more details.
+// 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.
+// 
+// STL Timer Class. Adapted (L.P.) from the timer class by Musser et Al
+// described int the Book : STL Tutorial and reference guide.
+// Define a timer class for analyzing algorithm performance.
+#include <iostream>
+#include <iomanip>
+#include <vector>
+#include <map>
+#include <algorithm>
+using namespace std;
+
+class STL_Timer {
+public:
+  STL_Timer(){ baseline = false; };  // Default constructor
+  // Start a series of r trials:
+  void start(unsigned int r){
+    reps = r;
+    count = 0;
+    iterations.clear();
+    iterations.reserve(reps);
+    initial = time(0);
+  };
+  // Start a series of r trials to determine baseline time:
+  void start_baseline(unsigned int r)
+  {
+    baseline = true;
+    start(r);
+  }
+  // Returns true if the trials have been completed, else false
+  bool check()
+  {
+    ++count;
+    final = time(0);
+    if (initial < final) {
+      iterations.push_back(count);  
+      initial = final;
+      count = 0;
+    }
+    return (iterations.size() < reps);
+  };
+  // Returns the results for external use
+  double get_time( void )
+  {
+    sort(iterations.begin(), iterations.end());
+    return 1.0/iterations[reps/2];
+  };
+private:
+  unsigned int reps;  // Number of trials
+  // For storing loop iterations of a trial
+  vector<long> iterations;
+  // For saving initial and final times of a trial
+  time_t initial, final;
+  // For counting loop iterations of a trial
+  unsigned long count;
+  // true if this is a baseline computation, false otherwise
+  bool baseline;
+  // For recording the baseline time 
+  double baseline_time;
+};
+
diff --git a/bench/btl/generic_bench/timers/mixed_perf_analyzer.hh b/bench/btl/generic_bench/timers/mixed_perf_analyzer.hh
new file mode 100644
index 0000000..e190236
--- /dev/null
+++ b/bench/btl/generic_bench/timers/mixed_perf_analyzer.hh
@@ -0,0 +1,73 @@
+//=====================================================
+// File   :  mixed_perf_analyzer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar déc 3 18:59:36 CET 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
+// GNU General Public License for more details.
+// 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 _MIXED_PERF_ANALYSER_HH
+#define _MIXED_PERF_ANALYSER_HH
+
+#include "x86_perf_analyzer.hh"
+#include "portable_perf_analyzer.hh"
+
+// choose portable perf analyzer for long calculations and x86 analyser for short ones
+
+
+template<class Action>
+class Mixed_Perf_Analyzer{
+  
+public:  
+  Mixed_Perf_Analyzer( void ):_x86pa(),_ppa(),_use_ppa(true)
+  {
+    MESSAGE("Mixed_Perf_Analyzer Ctor");
+  }; 
+  Mixed_Perf_Analyzer( const Mixed_Perf_Analyzer & ){
+    INFOS("Copy Ctor not implemented");
+    exit(0);
+  };
+  ~Mixed_Perf_Analyzer( void ){
+    MESSAGE("Mixed_Perf_Analyzer Dtor");
+  };
+    
+  
+  inline double eval_mflops(int size)
+  {
+
+    double result=0.0;
+    if (_use_ppa){      
+      result=_ppa.eval_mflops(size);
+      if (_ppa.get_nb_calc()>DEFAULT_NB_SAMPLE){_use_ppa=false;}      
+    }
+    else{      
+      result=_x86pa.eval_mflops(size);
+    }
+
+    return result;
+  }
+
+private:
+
+  Portable_Perf_Analyzer<Action> _ppa;
+  X86_Perf_Analyzer<Action> _x86pa;
+  bool _use_ppa;
+
+};
+
+#endif
+
+  
+    
+  
diff --git a/bench/btl/generic_bench/timers/portable_perf_analyzer.hh b/bench/btl/generic_bench/timers/portable_perf_analyzer.hh
new file mode 100644
index 0000000..fc0f316
--- /dev/null
+++ b/bench/btl/generic_bench/timers/portable_perf_analyzer.hh
@@ -0,0 +1,103 @@
+//=====================================================
+// File   :  portable_perf_analyzer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  mar d�c 3 18:59:35 CET 2002
+// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+//=====================================================
+//
+// 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
+// GNU General Public License for more details.
+// 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 _PORTABLE_PERF_ANALYZER_HH
+#define _PORTABLE_PERF_ANALYZER_HH
+
+#include "utilities.h"
+#include "timers/portable_timer.hh"
+
+template <class Action>
+class Portable_Perf_Analyzer{
+public:
+  Portable_Perf_Analyzer( ):_nb_calc(0), m_time_action(0), _chronos(){
+    MESSAGE("Portable_Perf_Analyzer Ctor");
+  };
+  Portable_Perf_Analyzer( const Portable_Perf_Analyzer & ){
+    INFOS("Copy Ctor not implemented");
+    exit(0);
+  };
+  ~Portable_Perf_Analyzer(){
+    MESSAGE("Portable_Perf_Analyzer Dtor");
+  };
+
+  BTL_DONT_INLINE double eval_mflops(int size)
+  {
+    Action action(size);
+
+//     action.initialize();
+//     time_action = time_calculate(action);
+    while (m_time_action < MIN_TIME)
+    {
+      if(_nb_calc==0) _nb_calc = 1;
+      else            _nb_calc *= 2;
+      action.initialize();
+      m_time_action = time_calculate(action);
+    }
+
+    // optimize
+    for (int i=1; i<BtlConfig::Instance.tries; ++i)
+    {
+      Action _action(size);
+      std::cout << " " << _action.nb_op_base()*_nb_calc/(m_time_action*1e6) << " ";
+      _action.initialize();
+      m_time_action = std::min(m_time_action, time_calculate(_action));
+    }
+
+    double time_action = m_time_action / (double(_nb_calc));
+
+    // check
+    if (BtlConfig::Instance.checkResults && size<128)
+    {
+      action.initialize();
+      action.calculate();
+      action.check_result();
+    }
+    return action.nb_op_base()/(time_action*1e6);
+  }
+
+  BTL_DONT_INLINE double time_calculate(Action & action)
+  {
+    // time measurement
+    action.calculate();
+    _chronos.start();
+    for (int ii=0;ii<_nb_calc;ii++)
+    {
+      action.calculate();
+    }
+    _chronos.stop();
+    return _chronos.user_time();
+  }
+
+  unsigned long long get_nb_calc()
+  {
+    return _nb_calc;
+  }
+
+
+private:
+  unsigned long long _nb_calc;
+  double m_time_action;
+  Portable_Timer _chronos;
+
+};
+
+#endif //_PORTABLE_PERF_ANALYZER_HH
+
diff --git a/bench/btl/generic_bench/timers/portable_perf_analyzer_old.hh b/bench/btl/generic_bench/timers/portable_perf_analyzer_old.hh
new file mode 100644
index 0000000..fce3781
--- /dev/null
+++ b/bench/btl/generic_bench/timers/portable_perf_analyzer_old.hh
@@ -0,0 +1,134 @@
+//=====================================================
+// File   :  portable_perf_analyzer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  mar d�c 3 18:59:35 CET 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
+// GNU General Public License for more details.
+// 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 _PORTABLE_PERF_ANALYZER_HH
+#define _PORTABLE_PERF_ANALYZER_HH
+
+#include "utilities.h"
+#include "timers/portable_timer.hh"
+
+template <class Action>
+class Portable_Perf_Analyzer{
+public:
+  Portable_Perf_Analyzer( void ):_nb_calc(1),_nb_init(1),_chronos(){
+    MESSAGE("Portable_Perf_Analyzer Ctor");
+  };
+  Portable_Perf_Analyzer( const Portable_Perf_Analyzer & ){
+    INFOS("Copy Ctor not implemented");
+    exit(0);
+  };
+  ~Portable_Perf_Analyzer( void ){
+    MESSAGE("Portable_Perf_Analyzer Dtor");
+  };
+
+
+
+  inline double eval_mflops(int size)
+  {
+
+    Action action(size);
+
+//     double time_baseline = time_init(action);
+//     while (time_baseline < MIN_TIME_INIT)
+//     {
+//       _nb_init *= 2;
+//       time_baseline = time_init(action);
+//     }
+//
+//     // optimize
+//     for (int i=1; i<NB_TRIES; ++i)
+//       time_baseline = std::min(time_baseline, time_init(action));
+//
+//     time_baseline = time_baseline/(double(_nb_init));
+
+    double time_action = time_calculate(action);
+    while (time_action < MIN_TIME)
+    {
+      _nb_calc *= 2;
+      time_action = time_calculate(action);
+    }
+
+    // optimize
+    for (int i=1; i<NB_TRIES; ++i)
+      time_action = std::min(time_action, time_calculate(action));
+
+//     INFOS("size="<<size);
+//     INFOS("_nb_init="<<_nb_init);
+//     INFOS("_nb_calc="<<_nb_calc);
+
+    time_action = time_action / (double(_nb_calc));
+
+    action.check_result();
+
+
+    double time_baseline = time_init(action);
+    for (int i=1; i<NB_TRIES; ++i)
+      time_baseline = std::min(time_baseline, time_init(action));
+    time_baseline = time_baseline/(double(_nb_init));
+
+
+
+//     INFOS("time_baseline="<<time_baseline);
+//     INFOS("time_action="<<time_action);
+
+    time_action = time_action - time_baseline;
+
+//     INFOS("time_corrected="<<time_action);
+
+    return action.nb_op_base()/(time_action*1000000.0);
+  }
+
+  inline double time_init(Action & action)
+  {
+    // time measurement
+    _chronos.start();
+    for (int ii=0; ii<_nb_init; ii++)
+      action.initialize();
+    _chronos.stop();
+    return _chronos.user_time();
+  }
+
+
+  inline double time_calculate(Action & action)
+  {
+    // time measurement
+    _chronos.start();
+    for (int ii=0;ii<_nb_calc;ii++)
+    {
+      action.initialize();
+      action.calculate();
+    }
+    _chronos.stop();
+    return _chronos.user_time();
+  }
+
+  unsigned long long get_nb_calc( void )
+  {
+    return _nb_calc;
+  }
+
+
+private:
+  unsigned long long _nb_calc;
+  unsigned long long _nb_init;
+  Portable_Timer _chronos;
+
+};
+
+#endif //_PORTABLE_PERF_ANALYZER_HH
diff --git a/bench/btl/generic_bench/timers/portable_timer.hh b/bench/btl/generic_bench/timers/portable_timer.hh
new file mode 100755
index 0000000..e6ad309
--- /dev/null
+++ b/bench/btl/generic_bench/timers/portable_timer.hh
@@ -0,0 +1,145 @@
+//=====================================================
+// File   :  portable_timer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)> from boost lib
+// Copyright (C) EDF R&D,  lun sep 30 14:23:17 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
+// GNU General Public License for more details.
+// 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.
+//
+//  simple_time extracted from the boost library
+//
+#ifndef _PORTABLE_TIMER_HH
+#define _PORTABLE_TIMER_HH
+
+#include <ctime>
+#include <cstdlib>
+
+#include <time.h>
+
+
+#define USEC_IN_SEC 1000000
+
+
+//  timer  -------------------------------------------------------------------//
+
+//  A timer object measures CPU time.
+#ifdef _MSC_VER
+
+#define NOMINMAX
+#include <windows.h>
+
+/*#ifndef hr_timer
+#include "hr_time.h"
+#define hr_timer
+#endif*/
+
+ class Portable_Timer
+ {
+  public:
+
+   typedef struct {
+    LARGE_INTEGER start;
+    LARGE_INTEGER stop;
+   } stopWatch;
+
+
+   Portable_Timer()
+   {
+	 startVal.QuadPart = 0;
+	 stopVal.QuadPart = 0;
+	 QueryPerformanceFrequency(&frequency);
+   }
+
+   void start() { QueryPerformanceCounter(&startVal); }
+
+   void stop() { QueryPerformanceCounter(&stopVal); }
+
+   double elapsed() {
+	 LARGE_INTEGER time;
+     time.QuadPart = stopVal.QuadPart - startVal.QuadPart;
+     return LIToSecs(time);
+   }
+
+   double user_time() { return elapsed(); }
+
+
+ private:
+
+   double LIToSecs(LARGE_INTEGER& L) {
+     return ((double)L.QuadPart /(double)frequency.QuadPart) ;
+   }
+
+   LARGE_INTEGER startVal;
+   LARGE_INTEGER stopVal;
+   LARGE_INTEGER frequency;
+
+
+ }; // Portable_Timer
+
+#else
+
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <sys/times.h>
+
+class Portable_Timer
+{
+ public:
+
+  Portable_Timer()
+  {
+    m_clkid = BtlConfig::Instance.realclock ? CLOCK_REALTIME : CLOCK_PROCESS_CPUTIME_ID;
+  }
+
+  Portable_Timer(int clkid) : m_clkid(clkid)
+  {}
+
+  void start()
+  {
+    timespec ts;
+    clock_gettime(m_clkid, &ts);
+    m_start_time = double(ts.tv_sec) + 1e-9 * double(ts.tv_nsec);
+
+  }
+
+  void stop()
+  {
+    timespec ts;
+    clock_gettime(m_clkid, &ts);
+    m_stop_time = double(ts.tv_sec) + 1e-9 * double(ts.tv_nsec);
+
+  }
+
+  double elapsed()
+  {
+    return  user_time();
+  }
+
+  double user_time()
+  {
+    return m_stop_time - m_start_time;
+  }
+
+
+private:
+
+  int m_clkid;
+  double m_stop_time, m_start_time;
+
+}; // Portable_Timer
+
+#endif
+
+#endif  // PORTABLE_TIMER_HPP
diff --git a/bench/btl/generic_bench/timers/x86_perf_analyzer.hh b/bench/btl/generic_bench/timers/x86_perf_analyzer.hh
new file mode 100644
index 0000000..37ea21d
--- /dev/null
+++ b/bench/btl/generic_bench/timers/x86_perf_analyzer.hh
@@ -0,0 +1,108 @@
+//=====================================================
+// File   :  x86_perf_analyzer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D,  mar d�c 3 18:59:35 CET 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
+// GNU General Public License for more details.
+// 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 _X86_PERF_ANALYSER_HH
+#define _X86_PERF_ANALYSER_HH
+
+#include "x86_timer.hh"
+#include "bench_parameter.hh"
+
+template<class ACTION>
+class X86_Perf_Analyzer{
+public:
+  X86_Perf_Analyzer( unsigned long long nb_sample=DEFAULT_NB_SAMPLE):_nb_sample(nb_sample),_chronos()
+  {
+    MESSAGE("X86_Perf_Analyzer Ctor");
+    _chronos.find_frequency();
+  };
+  X86_Perf_Analyzer( const X86_Perf_Analyzer & ){
+    INFOS("Copy Ctor not implemented");
+    exit(0);
+  };
+  ~X86_Perf_Analyzer( void ){
+    MESSAGE("X86_Perf_Analyzer Dtor");
+  };
+
+
+  inline double eval_mflops(int size)
+  {
+
+    ACTION action(size);
+
+    int nb_loop=5;
+    double calculate_time=0.0;
+    double baseline_time=0.0;
+
+    for (int j=0 ; j < nb_loop ; j++){
+
+      _chronos.clear();
+
+      for(int i=0 ; i < _nb_sample  ; i++)
+      {
+        _chronos.start();
+        action.initialize();
+        action.calculate();
+        _chronos.stop();
+        _chronos.add_get_click();
+      }
+
+      calculate_time += double(_chronos.get_shortest_clicks())/_chronos.frequency();
+
+      if (j==0) action.check_result();
+
+      _chronos.clear();
+
+      for(int i=0 ; i < _nb_sample  ; i++)
+      {
+        _chronos.start();
+        action.initialize();
+        _chronos.stop();
+        _chronos.add_get_click();
+
+      }
+
+      baseline_time+=double(_chronos.get_shortest_clicks())/_chronos.frequency();
+
+    }
+
+    double corrected_time = (calculate_time-baseline_time)/double(nb_loop);
+
+
+//     INFOS("_nb_sample="<<_nb_sample);
+//     INFOS("baseline_time="<<baseline_time);
+//     INFOS("calculate_time="<<calculate_time);
+//     INFOS("corrected_time="<<corrected_time);
+
+//    cout << size <<" "<<baseline_time<<" "<<calculate_time<<" "<<corrected_time<<" "<<action.nb_op_base() << endl;
+
+    return action.nb_op_base()/(corrected_time*1000000.0);
+    //return action.nb_op_base()/(calculate_time*1000000.0);
+  }
+
+private:
+
+  X86_Timer _chronos;
+  unsigned long long _nb_sample;
+
+
+};
+
+
+
+#endif
diff --git a/bench/btl/generic_bench/timers/x86_timer.hh b/bench/btl/generic_bench/timers/x86_timer.hh
new file mode 100644
index 0000000..cfb5ee8
--- /dev/null
+++ b/bench/btl/generic_bench/timers/x86_timer.hh
@@ -0,0 +1,246 @@
+//=====================================================
+// File   :  x86_timer.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar d�c 3 18:59:35 CET 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
+// GNU General Public License for more details.
+// 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 _X86_TIMER_HH
+#define _X86_TIMER_HH
+
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <sys/times.h>
+//#include "system_time.h"
+#define u32 unsigned int
+#include <asm/msr.h>
+#include "utilities.h"
+#include <map>
+#include <fstream>
+#include <string>
+#include <iostream>
+
+// frequence de la becanne en Hz
+//#define FREQUENCY 648000000
+//#define FREQUENCY 1400000000
+#define FREQUENCY 1695000000
+
+using namespace std;
+
+
+class X86_Timer {
+
+public :
+
+  X86_Timer( void ):_frequency(FREQUENCY),_nb_sample(0)
+  {
+    MESSAGE("X86_Timer Default Ctor");    
+  }
+
+  inline void start( void ){
+
+    rdtsc(_click_start.n32[0],_click_start.n32[1]);
+
+  }
+
+
+  inline void stop( void ){
+
+    rdtsc(_click_stop.n32[0],_click_stop.n32[1]);
+
+  }
+  
+
+  inline double frequency( void ){
+    return _frequency;
+  }
+
+  double get_elapsed_time_in_second( void ){
+
+    return (_click_stop.n64-_click_start.n64)/double(FREQUENCY);
+
+
+  }    
+
+  unsigned long long  get_click( void ){
+    
+    return (_click_stop.n64-_click_start.n64);
+
+  }    
+
+  inline void find_frequency( void ){
+
+    time_t initial, final;
+    int dummy=2;
+
+    initial = time(0);
+    start();
+    do {
+      dummy+=2;
+    }
+    while(time(0)==initial);
+    // On est au debut d'un cycle d'une seconde !!!
+    initial = time(0);
+    start();
+    do {
+      dummy+=2;
+    }
+    while(time(0)==initial);
+    final=time(0);
+    stop();
+    //    INFOS("fine grained time : "<<  get_elapsed_time_in_second());
+    //  INFOS("coarse grained time : "<<  final-initial);
+    _frequency=_frequency*get_elapsed_time_in_second()/double(final-initial);
+    ///  INFOS("CPU frequency : "<<  _frequency);        
+
+  }
+
+  void  add_get_click( void ){
+       
+    _nb_sample++;
+    _counted_clicks[get_click()]++;
+    fill_history_clicks();
+
+  }    
+
+  void dump_statistics(string filemane){
+    
+    ofstream outfile (filemane.c_str(),ios::out) ;
+
+    std::map<unsigned long long , unsigned long long>::iterator itr;
+    for(itr=_counted_clicks.begin() ; itr!=_counted_clicks.end()  ; itr++)
+      {      
+      outfile  << (*itr).first << "  " << (*itr).second << endl ;       
+      }      
+    
+    outfile.close();
+
+  }
+
+  void dump_history(string filemane){
+    
+    ofstream outfile (filemane.c_str(),ios::out) ;
+
+
+
+    for(int i=0 ; i<_history_mean_clicks.size() ; i++)
+      {      
+	outfile  << i << " " 
+		 << _history_mean_clicks[i] << " " 
+		 << _history_shortest_clicks[i] << " " 
+		 << _history_most_occured_clicks[i] << endl ;
+      }      
+    
+    outfile.close();
+
+  }
+     
+
+
+  double get_mean_clicks( void ){
+    
+    std::map<unsigned long long,unsigned long long>::iterator itr;
+    
+    unsigned long long mean_clicks=0;
+
+    for(itr=_counted_clicks.begin() ; itr!=_counted_clicks.end()  ; itr++)
+      {      
+	
+	mean_clicks+=(*itr).second*(*itr).first;
+      }      
+
+    return mean_clicks/double(_nb_sample);
+
+  }
+
+  double get_shortest_clicks( void ){
+    
+    return double((*_counted_clicks.begin()).first);
+
+  }
+
+  void fill_history_clicks( void ){
+
+    _history_mean_clicks.push_back(get_mean_clicks());
+    _history_shortest_clicks.push_back(get_shortest_clicks());
+    _history_most_occured_clicks.push_back(get_most_occured_clicks());
+
+  }
+
+
+  double get_most_occured_clicks( void ){
+
+    unsigned long long moc=0;
+    unsigned long long max_occurence=0;
+
+    std::map<unsigned long long,unsigned long long>::iterator itr;
+
+    for(itr=_counted_clicks.begin() ; itr!=_counted_clicks.end()  ; itr++)
+      {      
+	
+	if (max_occurence<=(*itr).second){
+	  max_occurence=(*itr).second;
+	  moc=(*itr).first;
+	}
+      }      
+    
+    return double(moc);    
+
+  }
+  
+  void clear( void )
+  {
+    _counted_clicks.clear();
+
+    _history_mean_clicks.clear();
+    _history_shortest_clicks.clear();
+    _history_most_occured_clicks.clear();
+
+    _nb_sample=0;
+  }
+
+
+    
+private :
+  
+  union
+  {
+    unsigned long int n32[2] ;
+    unsigned long long n64 ;
+  } _click_start;
+
+  union
+  {
+    unsigned long int n32[2] ;
+    unsigned long long n64 ;
+  } _click_stop;
+
+  double _frequency ;
+
+  map<unsigned long long,unsigned long long> _counted_clicks;
+
+  vector<double> _history_mean_clicks;
+  vector<double> _history_shortest_clicks;
+  vector<double> _history_most_occured_clicks;
+
+  unsigned long long _nb_sample;
+
+  
+
+};
+
+
+#endif
diff --git a/bench/btl/generic_bench/utils/size_lin_log.hh b/bench/btl/generic_bench/utils/size_lin_log.hh
new file mode 100644
index 0000000..bca3932
--- /dev/null
+++ b/bench/btl/generic_bench/utils/size_lin_log.hh
@@ -0,0 +1,70 @@
+//=====================================================
+// File   :  size_lin_log.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  mar déc 3 18:59:37 CET 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
+// GNU General Public License for more details.
+// 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 SIZE_LIN_LOG
+#define SIZE_LIN_LOG
+
+#include "size_log.hh"
+
+template<class Vector>
+void size_lin_log(const int nb_point, const int size_min, const int size_max, Vector & X)
+{
+  int ten=10;
+  int nine=9;
+
+  X.resize(nb_point);
+
+  if (nb_point>ten){
+
+    for (int i=0;i<nine;i++){
+      
+      X[i]=i+1;
+
+    }
+
+    Vector log_size;
+    size_log(nb_point-nine,ten,size_max,log_size);
+
+    for (int i=0;i<nb_point-nine;i++){
+      
+      X[i+nine]=log_size[i];
+
+    }
+  }
+  else{
+
+    for (int i=0;i<nb_point;i++){
+      
+      X[i]=i+1;
+
+    }
+  }
+
+ //  for (int i=0;i<nb_point;i++){
+    
+//        INFOS("computed sizes : X["<<i<<"]="<<X[i]);
+    
+//   }
+
+}
+  
+#endif
+    
+
+
diff --git a/bench/btl/generic_bench/utils/size_log.hh b/bench/btl/generic_bench/utils/size_log.hh
new file mode 100644
index 0000000..13a3da7
--- /dev/null
+++ b/bench/btl/generic_bench/utils/size_log.hh
@@ -0,0 +1,54 @@
+//=====================================================
+// File   :  size_log.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  lun sep 30 14:23:17 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
+// GNU General Public License for more details.
+// 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 SIZE_LOG
+#define SIZE_LOG
+
+#include "math.h"
+// The Vector class must satisfy the following part of STL vector concept :
+//            resize() method
+//            [] operator for seting element
+// the vector element are int compatible.
+template<class Vector>
+void size_log(const int nb_point, const int size_min, const int size_max, Vector & X)
+{
+  X.resize(nb_point);
+
+  float ls_min=log(float(size_min));
+  float ls_max=log(float(size_max));
+
+  float ls=0.0;
+
+  float delta_ls=(ls_max-ls_min)/(float(nb_point-1));
+
+  int size=0;
+
+  for (int i=0;i<nb_point;i++){
+
+    ls = ls_min + float(i)*delta_ls ;
+    
+    size=int(exp(ls)); 
+
+    X[i]=size;
+  }
+
+}
+
+
+#endif
diff --git a/bench/btl/generic_bench/utils/utilities.h b/bench/btl/generic_bench/utils/utilities.h
new file mode 100644
index 0000000..d2330d0
--- /dev/null
+++ b/bench/btl/generic_bench/utils/utilities.h
@@ -0,0 +1,90 @@
+//=============================================================================
+// File      : utilities.h
+// Created   : mar jun 19 13:18:14 CEST 2001
+// Author    : Antoine YESSAYAN, Paul RASCLE, EDF
+// Project   : SALOME
+// Copyright : EDF 2001
+// $Header$
+//=============================================================================
+
+/* ---  Definition macros file to print information if _DEBUG_ is defined --- */
+
+# ifndef UTILITIES_H
+# define UTILITIES_H
+
+# include <stdlib.h>
+//# include <iostream> ok for gcc3.01
+# include <iostream>
+
+/* ---  INFOS is always defined (without _DEBUG_): to be used for warnings, with release version --- */
+
+# define HEREWEARE cout<<flush ; cerr << __FILE__ << " [" << __LINE__ << "] : " << flush ;
+# define INFOS(chain) {HEREWEARE ; cerr << chain << endl ;}
+# define PYSCRIPT(chain) {cout<<flush ; cerr << "---PYSCRIPT--- " << chain << endl ;}
+
+/* --- To print date and time of compilation of current source on stdout --- */
+
+# if defined ( __GNUC__ )
+# define COMPILER		"g++" ;
+# elif defined ( __sun )
+# define COMPILER		"CC" ;
+# elif defined ( __KCC )
+# define COMPILER		"KCC" ;
+# elif defined ( __PGI )
+# define COMPILER		"pgCC" ;
+# else
+# define COMPILER		"undefined" ;
+# endif
+
+# ifdef INFOS_COMPILATION
+# error INFOS_COMPILATION already defined
+# endif
+# define INFOS_COMPILATION	{\
+					cerr << flush;\
+					cout << __FILE__ ;\
+					cout << " [" << __LINE__ << "] : " ;\
+					cout << "COMPILED with " << COMPILER ;\
+					cout << ", " << __DATE__ ; \
+					cout << " at " << __TIME__ << endl ;\
+					cout << "\n\n" ;\
+					cout << flush ;\
+				}
+
+# ifdef _DEBUG_
+
+/* --- the following MACROS are useful at debug time --- */
+
+# define HERE cout<<flush ; cerr << "- Trace " << __FILE__ << " [" << __LINE__ << "] : " << flush ;
+# define SCRUTE(var) HERE ; cerr << #var << "=" << var << endl ;
+# define MESSAGE(chain) {HERE ; cerr << chain << endl ;}
+# define INTERRUPTION(code) HERE ; cerr << "INTERRUPTION return code= " << code << endl ; exit(code) ;
+
+# ifndef ASSERT
+# define ASSERT(condition) if (!(condition)){ HERE ; cerr << "CONDITION " << #condition << " NOT VERIFIED"<< endl ; INTERRUPTION(1) ;}
+# endif /* ASSERT */
+
+#define REPERE cout<<flush ; cerr << "   --------------" << endl << flush ;
+#define BEGIN_OF(chain) {REPERE ; HERE ; cerr << "Begin of: " << chain << endl ; REPERE ; }
+#define END_OF(chain) {REPERE ; HERE ; cerr << "Normal end of: " << chain << endl ; REPERE ; }
+
+
+
+# else /* ifdef _DEBUG_*/
+
+# define HERE
+# define SCRUTE(var)
+# define MESSAGE(chain)
+# define INTERRUPTION(code)
+
+# ifndef ASSERT
+# define ASSERT(condition)
+# endif /* ASSERT */
+
+#define REPERE
+#define BEGIN_OF(chain)
+#define END_OF(chain)
+
+
+# endif /* ifdef _DEBUG_*/
+
+# endif /* ifndef UTILITIES_H */
diff --git a/bench/btl/generic_bench/utils/xy_file.hh b/bench/btl/generic_bench/utils/xy_file.hh
new file mode 100644
index 0000000..4571bed
--- /dev/null
+++ b/bench/btl/generic_bench/utils/xy_file.hh
@@ -0,0 +1,75 @@
+//=====================================================
+// File   :  dump_file_x_y.hh
+// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Copyright (C) EDF R&D,  lun sep 30 14:23:20 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
+// GNU General Public License for more details.
+// 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 XY_FILE_HH
+#define XY_FILE_HH
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+using namespace std;
+
+bool read_xy_file(const std::string & filename, std::vector<int> & tab_sizes,
+                  std::vector<double> & tab_mflops, bool quiet = false)
+{
+
+  std::ifstream input_file (filename.c_str(),std::ios::in);
+
+  if (!input_file){
+    if (!quiet) {
+      INFOS("!!! Error opening "<<filename);
+    }
+    return false;
+  }
+
+  int nb_point=0;
+  int size=0;
+  double mflops=0;
+
+  while (input_file >> size >> mflops ){
+    nb_point++;
+    tab_sizes.push_back(size);
+    tab_mflops.push_back(mflops);
+  }
+  SCRUTE(nb_point);
+
+  input_file.close();
+  return true;
+}
+
+// The Vector class must satisfy the following part of STL vector concept :
+//            resize() method
+//            [] operator for seting element
+// the vector element must have the << operator define
+
+using namespace std;
+
+template<class Vector_A, class Vector_B>
+void dump_xy_file(const Vector_A & X, const Vector_B & Y, const std::string & filename){
+  
+  ofstream outfile (filename.c_str(),ios::out) ;
+  int size=X.size();
+  
+  for (int i=0;i<size;i++)
+    outfile << X[i] << " " << Y[i] << endl;
+
+  outfile.close();
+} 
+
+#endif