diff --git a/bench/btl/CMakeLists.txt b/bench/btl/CMakeLists.txt
index adcb62a..636129b 100644
--- a/bench/btl/CMakeLists.txt
+++ b/bench/btl/CMakeLists.txt
@@ -11,8 +11,10 @@
 
 IF(CMAKE_COMPILER_IS_GNUCXX)
   SET(CMAKE_CXX_FLAGS "-g0 -O3 -DNDEBUG")
+  SET(CMAKE_Fortran_FLAGS "-g0 -O3 -DNDEBUG")
   IF(NOT BTL_NOVEC)
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
+    SET(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -msse2")
   ELSE(NOT BTL_NOVEC)
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEIGEN_DONT_VECTORIZE")
   ENDIF(NOT BTL_NOVEC)
@@ -36,6 +38,7 @@
 find_package(Eigen2)
 if (EIGEN2_FOUND)
   macro_optional_add_subdirectory(libs/eigen2 ON)
+  macro_optional_add_subdirectory(libs/tiny_eigen2 OFF)
 endif (EIGEN2_FOUND)
 
 # GMM++
@@ -55,9 +58,15 @@
 find_package(Blitz)
 if (BLITZ_FOUND)
   macro_optional_add_subdirectory(libs/blitz ON)
-  macro_optional_add_subdirectory(libs/tiny_blitz ON)
+  macro_optional_add_subdirectory(libs/tiny_blitz OFF)
 endif (BLITZ_FOUND)
 
+# tvmet
+find_package(Tvmet)
+if (TVMET_FOUND)
+  macro_optional_add_subdirectory(libs/tvmet OFF)
+endif (TVMET_FOUND)
+
 # cblas
 find_package(CBLAS)
 if (CBLAS_FOUND)
diff --git a/bench/btl/data/CMakeLists.txt b/bench/btl/data/CMakeLists.txt
index 365652c..0057614 100644
--- a/bench/btl/data/CMakeLists.txt
+++ b/bench/btl/data/CMakeLists.txt
@@ -1,7 +1,7 @@
 
 ADD_CUSTOM_TARGET(copy_scripts)
 
-SET(script_files go_mean aat.hh ata.hh axpy.hh order_lib mk_mean_script.sh mk_new_gnuplot.sh mk_gnuplot_script.sh matrix_matrix.hh matrix_vector.hh)
+SET(script_files go_mean aat.hh ata.hh axpy.hh order_lib mk_mean_script.sh mk_new_gnuplot.sh mk_gnuplot_script.sh matrix_matrix.hh matrix_vector.hh atv.hh)
 
 FOREACH(script_file ${script_files})
 ADD_CUSTOM_COMMAND(
diff --git a/bench/btl/data/atv.hh b/bench/btl/data/atv.hh
new file mode 100644
index 0000000..45327f5
--- /dev/null
+++ b/bench/btl/data/atv.hh
@@ -0,0 +1,108 @@
+#!/usr/bin/gnuplot -persist
+#
+#
+#    	G N U P L O T
+#    	Linux version 3.7
+#    	patchlevel 0
+#    	last modified Thu Jan 14 19:34:53 BST 1999
+#
+#    	Copyright(C) 1986 - 1993, 1998, 1999
+#    	Thomas Williams, Colin Kelley and many others
+#
+#    	Type `help` to access the on-line reference manual
+#    	The gnuplot FAQ is available from
+#    		<http://www.uni-karlsruhe.de/~ig25/gnuplot-faq/>
+#
+#    	Send comments and requests for help to <info-gnuplot@dartmouth.edu>
+#    	Send bugs, suggestions and mods to <bug-gnuplot@dartmouth.edu>
+#
+# set terminal postscript landscape noenhanced monochrome dashed defaultplex "Helvetica" 14
+# set output 'bench_gcc.ps'
+set noclip points
+set clip one
+set noclip two
+set bar 1.000000
+set border 31 lt -1 lw 1.000
+set xdata
+set ydata
+set zdata
+set x2data
+set y2data
+set boxwidth
+set dummy x,y
+set format x "%g"
+set format y "%g"
+set format x2 "%g"
+set format y2 "%g"
+set format z "%g"
+set angles radians
+set nogrid
+set key title ""
+set key right top Right noreverse box linetype -2 linewidth 1.000 samplen 4 spacing 1 width 0
+set nolabel
+set noarrow
+set nolinestyle
+set nologscale
+set logscale x 10
+set offsets 0, 0, 0, 0
+set pointsize 1
+set encoding default
+set nopolar
+set noparametric
+set view 60, 30, 1, 1
+set samples 100, 100
+set isosamples 10, 10
+set surface
+set nocontour
+set clabel '%8.3g'
+set mapping cartesian
+set nohidden3d
+set cntrparam order 4
+set cntrparam linear
+set cntrparam levels auto 5
+set cntrparam points 5
+set size ratio 0 1,1
+set origin 0,0
+set data style linespoints
+set function style lines
+set xzeroaxis lt -2 lw 1.000
+set x2zeroaxis lt -2 lw 1.000
+set yzeroaxis lt -2 lw 1.000
+set y2zeroaxis lt -2 lw 1.000
+set tics in
+set ticslevel 0.5
+set ticscale 1 0.5
+set mxtics default
+set mytics default
+set mx2tics default
+set my2tics default
+set xtics border mirror norotate autofreq
+set ytics border mirror norotate autofreq
+set ztics border nomirror norotate autofreq
+set nox2tics
+set noy2tics
+set title "transposed-matrix vector product " 0.000000,0.000000  ""
+set timestamp "" bottom norotate 0.000000,0.000000  ""
+set rrange [ * : * ] noreverse nowriteback  # (currently [-0:10] )
+set trange [ * : * ] noreverse nowriteback  # (currently [-5:5] )
+set urange [ * : * ] noreverse nowriteback  # (currently [-5:5] )
+set vrange [ * : * ] noreverse nowriteback  # (currently [-5:5] )
+set xlabel "matrix size" 0.000000,0.000000  ""
+set x2label "" 0.000000,0.000000  ""
+set timefmt "%d/%m/%y\n%H:%M"
+set xrange [ 10 : 1000 ] noreverse nowriteback
+set x2range [ * : * ] noreverse nowriteback  # (currently [-10:10] )
+set ylabel "MFLOPS" 0.000000,0.000000  ""
+set y2label "" 0.000000,0.000000  ""
+set yrange [ * : * ] noreverse nowriteback  # (currently [-10:10] )
+set y2range [ * : * ] noreverse nowriteback  # (currently [-10:10] )
+set zlabel "" 0.000000,0.000000  ""
+set zrange [ * : * ] noreverse nowriteback  # (currently [-10:10] )
+set zero 1e-08
+set lmargin -1
+set bmargin -1
+set rmargin -1
+set tmargin -1
+set locale "C"
+set xrange [1:1000]
+##set yrange [0:400]
diff --git a/bench/btl/data/go_mean b/bench/btl/data/go_mean
index 80203af..36942bd 100755
--- a/bench/btl/data/go_mean
+++ b/bench/btl/data/go_mean
@@ -3,6 +3,7 @@
 
 source mk_mean_script.sh axpy $1 11 2500 100000 250000 > $1/axpy.html
 source mk_mean_script.sh matrix_vector $1 11 50 300 500 > $1/matrix_vector.html
+source mk_mean_script.sh atv $1 11 50 300 500 > $1/atv.html
 source mk_mean_script.sh matrix_matrix $1 11 100 300 500 > $1/matrix_matrix.html
 source mk_mean_script.sh aat $1 11 100 300 1000 > $1/aat.html
 source mk_mean_script.sh ata $1 11 100 300 1000 > $1/ata.html
diff --git a/bench/btl/generic_bench/bench.hh b/bench/btl/generic_bench/bench.hh
index f46965c..484b526 100644
--- a/bench/btl/generic_bench/bench.hh
+++ b/bench/btl/generic_bench/bench.hh
@@ -19,6 +19,8 @@
 //
 #ifndef BENCH_HH
 #define BENCH_HH
+
+#include "btl.hh"
 #include "bench_parameter.hh"
 #include <iostream>
 #include "utilities.h"
@@ -34,9 +36,10 @@
 using namespace std;
 
 template <template<class> class Perf_Analyzer, class Action>
-void bench( int size_min, int size_max, int nb_point ){
-
-  // bench name
+void bench( int size_min, int size_max, int nb_point )
+{
+  if (BtlConfig::skipAction(Action::name()))
+    return;
 
   string filename="bench_"+Action::name()+".dat";
 
diff --git a/bench/btl/generic_bench/bench_parameter.hh b/bench/btl/generic_bench/bench_parameter.hh
index e2db997..e4e145e 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 3
+#define NB_TRIES 4
 
 #endif
diff --git a/bench/btl/generic_bench/btl.hh b/bench/btl/generic_bench/btl.hh
new file mode 100644
index 0000000..97b0dec
--- /dev/null
+++ b/bench/btl/generic_bench/btl.hh
@@ -0,0 +1,186 @@
+//=====================================================
+// File   :  btl.hh
+// Copyright (C) 2008 Gael Guennebaud <g.gael@free.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 <vector>
+#include <string>
+#include "utilities.h"
+
+/** 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()
+    : m_runSingleAction(false)
+  {
+    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_runSingleAction = true;
+          Instance.m_singleActionName = config[i+1];
+
+          i += 1;
+        }
+      }
+    }
+  }
+
+  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);
+    }
+
+    return false;
+  }
+
+
+protected:
+  bool m_runSingleAction;
+  BtlString m_singleActionName;
+
+  static BtlConfig Instance;
+};
+
+#define BTL_MAIN \
+  BtlConfig BtlConfig::Instance
+
+#endif // BTL_HH
diff --git a/bench/btl/generic_bench/static/bench_static.hh b/bench/btl/generic_bench/static/bench_static.hh
index 5ae23c1..0bc0d44 100644
--- a/bench/btl/generic_bench/static/bench_static.hh
+++ b/bench/btl/generic_bench/static/bench_static.hh
@@ -19,6 +19,8 @@
 //
 #ifndef BENCH_STATIC_HH
 #define BENCH_STATIC_HH
+
+#include "btl.hh"
 #include "bench_parameter.hh"
 #include <iostream>
 #include "utilities.h"
@@ -34,6 +36,9 @@
 template <template<class> class Perf_Analyzer, template<class> class Action, template<class,int> class Interface>
 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);
diff --git a/bench/btl/libs/C/main.cpp b/bench/btl/libs/C/main.cpp
index b15b7d9..60ff2b4 100644
--- a/bench/btl/libs/C/main.cpp
+++ b/bench/btl/libs/C/main.cpp
@@ -28,6 +28,8 @@
 //#include "action_lu_solve.hh"
 #include "timers/mixed_perf_analyzer.hh"
 
+BTL_MAIN;
+
 int main()
 {
 
diff --git a/bench/btl/libs/C_BLAS/main.cpp b/bench/btl/libs/C_BLAS/main.cpp
index d88effa..97a0c6c 100644
--- a/bench/btl/libs/C_BLAS/main.cpp
+++ b/bench/btl/libs/C_BLAS/main.cpp
@@ -1,14 +1,14 @@
 //=====================================================
 // File   :  main.cpp
-// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
 // Copyright (C) EDF R&D,  lun sep 30 14:23:28 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.
-// 
+//
 #include "utilities.h"
 #include "C_BLAS_interface.hh"
 #include "bench.hh"
@@ -27,22 +27,23 @@
 #include "action_ata_product.hh"
 #include "action_aat_product.hh"
 
+BTL_MAIN;
 
 int main()
 {
 
-  bench<Action_axpy<C_BLAS_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);  
+  bench<Action_axpy<C_BLAS_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
 
-  bench<Action_matrix_vector_product<C_BLAS_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);  
+  bench<Action_matrix_vector_product<C_BLAS_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
 
-  bench<Action_matrix_matrix_product<C_BLAS_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);  
+  bench<Action_matrix_matrix_product<C_BLAS_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
 
   bench<Action_ata_product<C_BLAS_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
-  
+
   bench<Action_aat_product<C_BLAS_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
 
   //bench<Action_lu_solve<C_BLAS_LU_solve_interface<REAL_TYPE> > >(MIN_LU,MAX_LU,NB_POINT);
-  
+
   return 0;
 }
 
diff --git a/bench/btl/libs/STL/main.cpp b/bench/btl/libs/STL/main.cpp
index dc20443..4cb8466 100644
--- a/bench/btl/libs/STL/main.cpp
+++ b/bench/btl/libs/STL/main.cpp
@@ -28,6 +28,8 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 int main()
 {
   bench<Action_axpy<STL_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
diff --git a/bench/btl/libs/STL_algo/main.cpp b/bench/btl/libs/STL_algo/main.cpp
index 8c8b607..9ce2d94 100644
--- a/bench/btl/libs/STL_algo/main.cpp
+++ b/bench/btl/libs/STL_algo/main.cpp
@@ -23,6 +23,8 @@
 #include "action_atv_product.hh"
 #include "action_axpy.hh"
 
+BTL_MAIN;
+
 int main()
 {
 
diff --git a/bench/btl/libs/blitz/main.cpp b/bench/btl/libs/blitz/main.cpp
index 65fbb6b..16d2b59 100644
--- a/bench/btl/libs/blitz/main.cpp
+++ b/bench/btl/libs/blitz/main.cpp
@@ -29,6 +29,8 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 int main()
 {
 
diff --git a/bench/btl/libs/eigen2/eigen2_interface.hh b/bench/btl/libs/eigen2/eigen2_interface.hh
index 5d8ad94..8c4270e 100644
--- a/bench/btl/libs/eigen2/eigen2_interface.hh
+++ b/bench/btl/libs/eigen2/eigen2_interface.hh
@@ -108,7 +108,7 @@
   }
 
   static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
-    X = (A*B).lazy();
+    X = (A.transpose()*B).lazy();
   }
 
   static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){
diff --git a/bench/btl/libs/eigen2/main.cpp b/bench/btl/libs/eigen2/main.cpp
index d73a807..dbd6a17 100644
--- a/bench/btl/libs/eigen2/main.cpp
+++ b/bench/btl/libs/eigen2/main.cpp
@@ -18,7 +18,6 @@
 #include "utilities.h"
 #include "eigen2_interface.hh"
 #include "bench.hh"
-#include "static/bench_static.hh"
 #include "action_matrix_vector_product.hh"
 #include "action_matrix_matrix_product.hh"
 #include "action_axpy.hh"
@@ -27,22 +26,20 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 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_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);
+//   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);
 
   //bench<Action_lu_solve<blitz_LU_solve_interface<REAL_TYPE> > >(MIN_LU,MAX_LU,NB_POINT);
 
-  bench_static<Action_axpy,eigen2_interface>();
-  bench_static<Action_matrix_matrix_product,eigen2_interface>();
-  bench_static<Action_matrix_vector_product,eigen2_interface>();
-
   return 0;
 }
 
diff --git a/bench/btl/libs/f77/main.cpp b/bench/btl/libs/f77/main.cpp
index 17934fb..a4b67b4 100644
--- a/bench/btl/libs/f77/main.cpp
+++ b/bench/btl/libs/f77/main.cpp
@@ -1,14 +1,14 @@
 //=====================================================
 // File   :  main.cpp
-// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
 // Copyright (C) EDF R&D,  lun sep 30 14:23:25 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.
-// 
+//
 #include "utilities.h"
 #include "f77_interface.hh"
 #include "bench.hh"
@@ -27,17 +27,18 @@
 #include "action_ata_product.hh"
 #include "action_aat_product.hh"
 
+BTL_MAIN;
 
 int main()
 {
-  bench<Action_axpy<f77_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);  
+  bench<Action_axpy<f77_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
 
-  bench<Action_matrix_vector_product<f77_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);  
+  bench<Action_matrix_vector_product<f77_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
 
-  bench<Action_matrix_matrix_product<f77_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);  
+  bench<Action_matrix_matrix_product<f77_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
 
   bench<Action_ata_product<f77_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
-  
+
   bench<Action_aat_product<f77_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
 
   return 0;
diff --git a/bench/btl/libs/gmm/main.cpp b/bench/btl/libs/gmm/main.cpp
index 27afeed..a05fd1b 100644
--- a/bench/btl/libs/gmm/main.cpp
+++ b/bench/btl/libs/gmm/main.cpp
@@ -26,6 +26,8 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 int main()
 {
 
diff --git a/bench/btl/libs/mtl4/main.cpp b/bench/btl/libs/mtl4/main.cpp
index 219570d..17b200a 100644
--- a/bench/btl/libs/mtl4/main.cpp
+++ b/bench/btl/libs/mtl4/main.cpp
@@ -26,6 +26,8 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 int main()
 {
 
diff --git a/bench/btl/libs/tiny_blitz/main.cpp b/bench/btl/libs/tiny_blitz/main.cpp
index 6675d3d..eff3c18 100644
--- a/bench/btl/libs/tiny_blitz/main.cpp
+++ b/bench/btl/libs/tiny_blitz/main.cpp
@@ -1,14 +1,14 @@
 //=====================================================
 // File   :  main.cpp
-// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
 // Copyright (C) EDF R&D,  lun sep 30 14:23:30 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.
-// 
+//
 #include "utilities.h"
 #include "tiny_blitz_interface.hh"
 #include "static/bench_static.hh"
@@ -25,6 +25,8 @@
 #include "action_axpy.hh"
 #include "timers/x86_perf_analyzer.hh"
 
+BTL_MAIN;
+
 int main()
 {
   bench_static<Action_axpy,tiny_blitz_interface>();
diff --git a/bench/btl/libs/tvmet/CMakeLists.txt b/bench/btl/libs/tvmet/CMakeLists.txt
index e047b4e..3e96506 100644
--- a/bench/btl/libs/tvmet/CMakeLists.txt
+++ b/bench/btl/libs/tvmet/CMakeLists.txt
@@ -1,4 +1,3 @@
 
-include_directories(${BLITZ_INCLUDES})
-add_executable(btl_blitz main.cpp)
-target_link_libraries(btl_blitz ${BLITZ_LIBRARIES})
+include_directories(${TVMET_INCLUDE_DIR})
+add_executable(btl_tvmet main.cpp)
diff --git a/bench/btl/libs/tvmet/main.cpp b/bench/btl/libs/tvmet/main.cpp
index 448c1a9..633215c 100644
--- a/bench/btl/libs/tvmet/main.cpp
+++ b/bench/btl/libs/tvmet/main.cpp
@@ -1,14 +1,14 @@
 //=====================================================
 // File   :  main.cpp
-// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
 // Copyright (C) EDF R&D,  lun sep 30 14:23:30 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
@@ -16,19 +16,23 @@
 // 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.
-// 
+//
 #include "utilities.h"
 #include "tvmet_interface.hh"
 #include "static/bench_static.hh"
 #include "action_matrix_vector_product.hh"
 #include "action_matrix_matrix_product.hh"
+#include "action_atv_product.hh"
 #include "action_axpy.hh"
 
+BTL_MAIN;
+
 int main()
 {
   bench_static<Action_axpy,tvmet_interface>();
   bench_static<Action_matrix_matrix_product,tvmet_interface>();
   bench_static<Action_matrix_vector_product,tvmet_interface>();
+  bench_static<Action_atv_product,tvmet_interface>();
 
   return 0;
 }
diff --git a/bench/btl/libs/tvmet/tvmet_interface.hh b/bench/btl/libs/tvmet/tvmet_interface.hh
index dfbfa20..28aa353 100644
--- a/bench/btl/libs/tvmet/tvmet_interface.hh
+++ b/bench/btl/libs/tvmet/tvmet_interface.hh
@@ -1,14 +1,14 @@
 //=====================================================
 // File   :  tvmet_interface.hh
-// Author :  L. Plagne <laurent.plagne@edf.fr)>        
+// Author :  L. Plagne <laurent.plagne@edf.fr)>
 // Copyright (C) EDF R&D,  lun sep 30 14:23:30 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
@@ -16,10 +16,11 @@
 // 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 TVMET_INTERFACE_HH
 #define TVMET_INTERFACE_HH
 
+#include <tvmet/tvmet.h>
 #include <tvmet/Vector.h>
 #include <tvmet/Matrix.h>
 
@@ -29,113 +30,75 @@
 
 template<class real, int SIZE>
 class tvmet_interface{
-  
+
 public :
-  
+
   typedef real real_type ;
 
   typedef std::vector<real>  stl_vector;
   typedef std::vector<stl_vector > stl_matrix;
-  
+
   typedef Vector<real,SIZE> gene_vector;
   typedef Matrix<real,SIZE,SIZE> gene_matrix;
 
-  static inline std::string name( void )
-  {
-    return "tvmet";
-  }
-  
- 
-  static void free_matrix(gene_matrix & A, int N){
-    
-    return ;
-  }
-  
-  static void free_vector(gene_vector & B){
-    
-    return ;
-    
-  }
-  
+  static inline std::string name() { return "tvmet"; }
+
+  static void free_matrix(gene_matrix & A, int N){}
+
+  static void free_vector(gene_vector & B){}
+
   static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){
-    
-    for (int i=0; i<A_stl.size() ; i++){
-      for (int j=0; j<A_stl[i].size() ; j++){
-	A(i,j)=A_stl[i][j];
-      }
-      
-    }
+    for (int j=0; j<A_stl.size() ; j++)
+      for (int i=0; i<A_stl[j].size() ; i++)
+        A(i,j) = A_stl[j][i];
   }
-  
+
   static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){
-    
-    for (int i=0; i<B_stl.size() ; i++){
+    for (int i=0; i<B_stl.size() ; i++)
       B[i]=B_stl[i];
-    }
   }
-  
+
   static 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[i];
     }
   }
 
   static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){
-    
-    int N=A_stl.size();
-    
-    for (int i=0;i<N;i++){
-      A_stl[i].resize(N);
-      for (int j=0;j<N;j++){
-	A_stl[i][j]=A(i,j);
-      }
+    int N = A_stl.size();
+    for (int j=0;j<N;j++){
+      A_stl[j].resize(N);
+      for (int i=0;i<N;i++)
+        A_stl[j][i] = A(i,j);
     }
-    
   }
 
 
-  static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N)
-  {
-    
-    for (int i=0;i<N;i++){
-      for (int j=0;j<N;j++){
-	cible(i,j)=source(i,j);
-      }
-    }
-    
+  static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){
+    cible = source;
   }
 
-  static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N)
-  {
-    
-    for (int i=0;i<N;i++){
-      cible[i]=source[i];
-    }
-    
-  }
-  
-  
-  
-  static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N)
-  {
-    X=product(A,B);
+  static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){
+    cible = source;
   }
 
-
-  static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N)
-  {
-    X=product(A,B);    
-    
+  static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){
+    X = prod(A,B);
   }
 
-  static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N)
-  {    
+  static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    X = prod(A,B);
+  }
+
+  static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    X = prod(trans(A),B);
+  }
+
+  static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){
     Y+=coef*X;
   }
 
-
 };
 
-  
+
 #endif
diff --git a/bench/btl/libs/ublas/main.cpp b/bench/btl/libs/ublas/main.cpp
index 7680104..acc5936 100644
--- a/bench/btl/libs/ublas/main.cpp
+++ b/bench/btl/libs/ublas/main.cpp
@@ -27,6 +27,8 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 int main()
 {
   bench<Action_axpy<ublas_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);