From 4ada45bc76b4417813505a8fd4a6c51cac5994fb Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 23 Mar 2011 16:59:12 +0100
Subject: BTL: add eigen2 backend

---
 bench/btl/libs/eigen2/CMakeLists.txt      |  19 ++++
 bench/btl/libs/eigen2/btl_tiny_eigen2.cpp |  46 ++++++++
 bench/btl/libs/eigen2/eigen2_interface.hh | 168 ++++++++++++++++++++++++++++++
 bench/btl/libs/eigen2/main_adv.cpp        |  44 ++++++++
 bench/btl/libs/eigen2/main_linear.cpp     |  34 ++++++
 bench/btl/libs/eigen2/main_matmat.cpp     |  35 +++++++
 bench/btl/libs/eigen2/main_vecmat.cpp     |  36 +++++++
 7 files changed, 382 insertions(+)
 create mode 100644 bench/btl/libs/eigen2/CMakeLists.txt
 create mode 100644 bench/btl/libs/eigen2/btl_tiny_eigen2.cpp
 create mode 100644 bench/btl/libs/eigen2/eigen2_interface.hh
 create mode 100644 bench/btl/libs/eigen2/main_adv.cpp
 create mode 100644 bench/btl/libs/eigen2/main_linear.cpp
 create mode 100644 bench/btl/libs/eigen2/main_matmat.cpp
 create mode 100644 bench/btl/libs/eigen2/main_vecmat.cpp

(limited to 'bench/btl/libs')

diff --git a/bench/btl/libs/eigen2/CMakeLists.txt b/bench/btl/libs/eigen2/CMakeLists.txt
new file mode 100644
index 000000000..a2e8fc6da
--- /dev/null
+++ b/bench/btl/libs/eigen2/CMakeLists.txt
@@ -0,0 +1,19 @@
+
+find_package(Eigen2)
+
+if(EIGEN2_FOUND)
+
+  include_directories(BEFORE ${EIGEN2_INCLUDE_DIR})
+  btl_add_bench(btl_eigen2_linear main_linear.cpp)
+  btl_add_bench(btl_eigen2_vecmat main_vecmat.cpp)
+  btl_add_bench(btl_eigen2_matmat main_matmat.cpp)
+  btl_add_bench(btl_eigen2_adv main_adv.cpp      )
+
+  btl_add_target_property(btl_eigen2_linear COMPILE_FLAGS "-fno-exceptions -DBTL_PREFIX=eigen2")
+  btl_add_target_property(btl_eigen2_vecmat COMPILE_FLAGS "-fno-exceptions -DBTL_PREFIX=eigen2")
+  btl_add_target_property(btl_eigen2_matmat COMPILE_FLAGS "-fno-exceptions -DBTL_PREFIX=eigen2")
+  btl_add_target_property(btl_eigen2_adv    COMPILE_FLAGS "-fno-exceptions -DBTL_PREFIX=eigen2")
+
+  btl_add_bench(btl_tiny_eigen2 btl_tiny_eigen2.cpp OFF)
+
+endif() # EIGEN2_FOUND
diff --git a/bench/btl/libs/eigen2/btl_tiny_eigen2.cpp b/bench/btl/libs/eigen2/btl_tiny_eigen2.cpp
new file mode 100644
index 000000000..d1515be84
--- /dev/null
+++ b/bench/btl/libs/eigen2/btl_tiny_eigen2.cpp
@@ -0,0 +1,46 @@
+//=====================================================
+// 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.
+//
+#include "utilities.h"
+#include "eigen3_interface.hh"
+#include "static/bench_static.hh"
+#include "action_matrix_vector_product.hh"
+#include "action_matrix_matrix_product.hh"
+#include "action_axpy.hh"
+#include "action_lu_solve.hh"
+#include "action_ata_product.hh"
+#include "action_aat_product.hh"
+#include "action_atv_product.hh"
+#include "action_cholesky.hh"
+#include "action_trisolve.hh"
+
+BTL_MAIN;
+
+int main()
+{
+
+  bench_static<Action_axpy,eigen2_interface>();
+  bench_static<Action_matrix_matrix_product,eigen2_interface>();
+  bench_static<Action_matrix_vector_product,eigen2_interface>();
+  bench_static<Action_atv_product,eigen2_interface>();
+  bench_static<Action_cholesky,eigen2_interface>();
+  bench_static<Action_trisolve,eigen2_interface>();
+
+  return 0;
+}
+
+
diff --git a/bench/btl/libs/eigen2/eigen2_interface.hh b/bench/btl/libs/eigen2/eigen2_interface.hh
new file mode 100644
index 000000000..47fe58135
--- /dev/null
+++ b/bench/btl/libs/eigen2/eigen2_interface.hh
@@ -0,0 +1,168 @@
+//=====================================================
+// 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 EIGEN2_INTERFACE_HH
+#define EIGEN2_INTERFACE_HH
+// #include <cblas.h>
+#include <Eigen/Core>
+#include <Eigen/Cholesky>
+#include <Eigen/LU>
+#include <Eigen/QR>
+#include <vector>
+#include "btl.hh"
+
+using namespace Eigen;
+
+template<class real, int SIZE=Dynamic>
+class eigen2_interface
+{
+
+public :
+
+  enum {IsFixedSize = (SIZE!=Dynamic)};
+
+  typedef real real_type;
+
+  typedef std::vector<real> stl_vector;
+  typedef std::vector<stl_vector> stl_matrix;
+
+  typedef Eigen::Matrix<real,SIZE,SIZE> gene_matrix;
+  typedef Eigen::Matrix<real,SIZE,1> gene_vector;
+
+  static inline std::string name( void )
+  {
+    #if defined(EIGEN_VECTORIZE_SSE)
+    if (SIZE==Dynamic) return "eigen2"; else return "tiny_eigen2";
+    #elif defined(EIGEN_VECTORIZE_ALTIVEC)
+    if (SIZE==Dynamic) return "eigen2"; else return "tiny_eigen2";
+    #else
+    if (SIZE==Dynamic) return "eigen2_novec"; else return "tiny_eigen2_novec";
+    #endif
+  }
+
+  static void free_matrix(gene_matrix & A, int N) {}
+
+  static void free_vector(gene_vector & B) {}
+
+  static BTL_DONT_INLINE void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){
+    A.resize(A_stl[0].size(), A_stl.size());
+
+    for (int j=0; j<A_stl.size() ; j++){
+      for (int i=0; i<A_stl[j].size() ; i++){
+        A.coeffRef(i,j) = A_stl[j][i];
+      }
+    }
+  }
+
+  static BTL_DONT_INLINE  void vector_from_stl(gene_vector & B, stl_vector & B_stl){
+    B.resize(B_stl.size(),1);
+
+    for (int i=0; i<B_stl.size() ; i++){
+      B.coeffRef(i) = B_stl[i];
+    }
+  }
+
+  static BTL_DONT_INLINE  void vector_to_stl(gene_vector & B, stl_vector & B_stl){
+    for (int i=0; i<B_stl.size() ; i++){
+      B_stl[i] = B.coeff(i);
+    }
+  }
+
+  static BTL_DONT_INLINE  void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){
+    int N=A_stl.size();
+
+    for (int j=0;j<N;j++){
+      A_stl[j].resize(N);
+      for (int i=0;i<N;i++){
+        A_stl[j][i] = A.coeff(i,j);
+      }
+    }
+  }
+
+  static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){
+    X = (A*B).lazy();
+  }
+
+  static inline void transposed_matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){
+    X = (A.transpose()*B.transpose()).lazy();
+  }
+
+  static inline void ata_product(const gene_matrix & A, gene_matrix & X, int N){
+    X = (A.transpose()*A).lazy();
+  }
+
+  static inline void aat_product(const gene_matrix & A, gene_matrix & X, int N){
+    X = (A*A.transpose()).lazy();
+  }
+
+  static inline void matrix_vector_product(const gene_matrix & A, const gene_vector & B, gene_vector & X, int N){
+    X = (A*B)/*.lazy()*/;
+  }
+
+  static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    X = (A.transpose()*B)/*.lazy()*/;
+  }
+
+  static inline void axpy(real coef, const gene_vector & X, gene_vector & Y, int N){
+    Y += coef * X;
+  }
+
+  static inline void axpby(real a, const gene_vector & X, real b, gene_vector & Y, int N){
+    Y = a*X + b*Y;
+  }
+
+  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){
+    cible = source;
+  }
+
+  static inline void trisolve_lower(const gene_matrix & L, const gene_vector& B, gene_vector& X, int N){
+    X = L.template marked<LowerTriangular>().solveTriangular(B);
+  }
+
+  static inline void trisolve_lower_matrix(const gene_matrix & L, const gene_matrix& B, gene_matrix& X, int N){
+    X = L.template marked<LowerTriangular>().solveTriangular(B);
+  }
+
+  static inline void cholesky(const gene_matrix & X, gene_matrix & C, int N){
+    C = X.llt().matrixL();
+//     C = X;
+//     Cholesky<gene_matrix>::computeInPlace(C);
+//     Cholesky<gene_matrix>::computeInPlaceBlock(C);
+  }
+
+  static inline void lu_decomp(const gene_matrix & X, gene_matrix & C, int N){
+    C = X.lu().matrixLU();
+//     C = X.inverse();
+  }
+
+  static inline void tridiagonalization(const gene_matrix & X, gene_matrix & C, int N){
+    C = Tridiagonalization<gene_matrix>(X).packedMatrix();
+  }
+
+  static inline void hessenberg(const gene_matrix & X, gene_matrix & C, int N){
+    C = HessenbergDecomposition<gene_matrix>(X).packedMatrix();
+  }
+
+
+
+};
+
+#endif
diff --git a/bench/btl/libs/eigen2/main_adv.cpp b/bench/btl/libs/eigen2/main_adv.cpp
new file mode 100644
index 000000000..fe3368925
--- /dev/null
+++ b/bench/btl/libs/eigen2/main_adv.cpp
@@ -0,0 +1,44 @@
+//=====================================================
+// 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.
+//
+#include "utilities.h"
+#include "eigen2_interface.hh"
+#include "bench.hh"
+#include "action_trisolve.hh"
+#include "action_trisolve_matrix.hh"
+#include "action_cholesky.hh"
+#include "action_hessenberg.hh"
+#include "action_lu_decomp.hh"
+// #include "action_partial_lu.hh"
+
+BTL_MAIN;
+
+int main()
+{
+  bench<Action_trisolve<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+  bench<Action_trisolve_matrix<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+  bench<Action_cholesky<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+  bench<Action_lu_decomp<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+//   bench<Action_partial_lu<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+
+  bench<Action_hessenberg<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+  bench<Action_tridiagonalization<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+
+  return 0;
+}
+
+
diff --git a/bench/btl/libs/eigen2/main_linear.cpp b/bench/btl/libs/eigen2/main_linear.cpp
new file mode 100644
index 000000000..c17d16c08
--- /dev/null
+++ b/bench/btl/libs/eigen2/main_linear.cpp
@@ -0,0 +1,34 @@
+//=====================================================
+// 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.
+//
+#include "utilities.h"
+#include "eigen2_interface.hh"
+#include "bench.hh"
+#include "basic_actions.hh"
+
+BTL_MAIN;
+
+int main()
+{
+
+  bench<Action_axpy<eigen2_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
+  bench<Action_axpby<eigen2_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);
+  
+  return 0;
+}
+
+
diff --git a/bench/btl/libs/eigen2/main_matmat.cpp b/bench/btl/libs/eigen2/main_matmat.cpp
new file mode 100644
index 000000000..cd9dc9cb0
--- /dev/null
+++ b/bench/btl/libs/eigen2/main_matmat.cpp
@@ -0,0 +1,35 @@
+//=====================================================
+// 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.
+//
+#include "utilities.h"
+#include "eigen2_interface.hh"
+#include "bench.hh"
+#include "basic_actions.hh"
+
+BTL_MAIN;
+
+int main()
+{
+  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_trmm<eigen2_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
+
+  return 0;
+}
+
+
diff --git a/bench/btl/libs/eigen2/main_vecmat.cpp b/bench/btl/libs/eigen2/main_vecmat.cpp
new file mode 100644
index 000000000..8b66cd2d9
--- /dev/null
+++ b/bench/btl/libs/eigen2/main_vecmat.cpp
@@ -0,0 +1,36 @@
+//=====================================================
+// 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.
+//
+#include "utilities.h"
+#include "eigen2_interface.hh"
+#include "bench.hh"
+#include "basic_actions.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_symv<eigen2_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
+//   bench<Action_syr2<eigen2_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
+//   bench<Action_ger<eigen2_interface<REAL_TYPE> > >(MIN_MV,MAX_MV,NB_POINT);
+
+  return 0;
+}
+
+
-- 
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