From 76fe2e1b34b4388ea3d9585bc840a0bab20ee5be Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Sun, 19 Oct 2008 17:06:11 +0000
Subject: add/update some benchmark files used to test/compare sparse module
 features

---
 bench/sparse_trisolver.cpp | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

(limited to 'bench/sparse_trisolver.cpp')

diff --git a/bench/sparse_trisolver.cpp b/bench/sparse_trisolver.cpp
index c6b29e88d..021433043 100644
--- a/bench/sparse_trisolver.cpp
+++ b/bench/sparse_trisolver.cpp
@@ -2,6 +2,7 @@
 //g++ -O3 -g0 -DNDEBUG  sparse_product.cpp -I.. -I/home/gael/Coding/LinearAlgebra/mtl4/ -DDENSITY=0.005 -DSIZE=10000 && ./a.out
 //g++ -O3 -g0 -DNDEBUG  sparse_product.cpp -I.. -I/home/gael/Coding/LinearAlgebra/mtl4/ -DDENSITY=0.05 -DSIZE=2000 && ./a.out
 // -DNOGMM -DNOMTL
+// -I /home/gael/Coding/LinearAlgebra/CSparse/Include/ /home/gael/Coding/LinearAlgebra/CSparse/Lib/libcsparse.a
 
 #ifndef SIZE
 #define SIZE 10000
@@ -60,8 +61,9 @@ int main(int argc, char *argv[])
   BenchTimer timer;
   #if 1
   EigenSparseTriMatrix sm1(rows,cols);
-  VectorXf b = VectorXf::Random(cols);
-  VectorXf x = VectorXf::Random(cols);
+  typedef Matrix<Scalar,Dynamic,1> DenseVector;
+  DenseVector b = DenseVector::Random(cols);
+  DenseVector x = DenseVector::Random(cols);
 
   bool densedone = false;
 
@@ -81,13 +83,13 @@ int main(int argc, char *argv[])
       eiToDense(sm1, m1);
       m2 = m1;
 
-      BENCH(x = m1.marked<Upper>().inverseProduct(b);)
+      BENCH(x = m1.marked<Upper>().solveTriangular(b);)
       std::cout << "   colmajor^-1 * b:\t" << timer.value() << endl;
-      std::cerr << x.transpose() << "\n";
+//       std::cerr << x.transpose() << "\n";
 
-      BENCH(x = m2.marked<Upper>().inverseProduct(b);)
+      BENCH(x = m2.marked<Upper>().solveTriangular(b);)
       std::cout << "   rowmajor^-1 * b:\t" << timer.value() << endl;
-      std::cerr << x.transpose() << "\n";
+//       std::cerr << x.transpose() << "\n";
     }
     #endif
 
@@ -96,13 +98,13 @@ int main(int argc, char *argv[])
       std::cout << "Eigen sparse\t" << density*100 << "%\n";
       EigenSparseTriMatrixRow sm2 = sm1;
 
-      BENCH(x = sm1.inverseProduct(b);)
+      BENCH(x = sm1.solveTriangular(b);)
       std::cout << "   colmajor^-1 * b:\t" << timer.value() << endl;
-      std::cerr << x.transpose() << "\n";
+//       std::cerr << x.transpose() << "\n";
 
-      BENCH(x = sm2.inverseProduct(b);)
+      BENCH(x = sm2.solveTriangular(b);)
       std::cout << "   rowmajor^-1 * b:\t" << timer.value() << endl;
-      std::cerr << x.transpose() << "\n";
+//       std::cerr << x.transpose() << "\n";
 
 //       x = b;
 //       BENCH(sm1.inverseProductInPlace(x);)
@@ -115,6 +117,18 @@ int main(int argc, char *argv[])
 //       std::cerr << x.transpose() << "\n";
     }
 
+    // CSparse
+    #ifdef CSPARSE
+    {
+      std::cout << "CSparse \t" << density*100 << "%\n";
+      cs *m1;
+      eiToCSparse(sm1, m1);
+
+      BENCH(x = b; if (!cs_lsolve (m1, x.data())){std::cerr << "cs_lsolve failed\n"; break;}; )
+      std::cout << "   colmajor^-1 * b:\t" << timer.value() << endl;
+    }
+    #endif
+
     // GMM++
     #ifndef NOGMM
     {
@@ -130,13 +144,13 @@ int main(int argc, char *argv[])
       gmmX = gmmB;
       BENCH(gmm::upper_tri_solve(m1, gmmX, false);)
       std::cout << "   colmajor^-1 * b:\t" << timer.value() << endl;
-      std::cerr << Map<Matrix<Scalar,Dynamic,1> >(&gmmX[0], cols).transpose() << "\n";
+//       std::cerr << Map<Matrix<Scalar,Dynamic,1> >(&gmmX[0], cols).transpose() << "\n";
 
       gmmX = gmmB;
       BENCH(gmm::upper_tri_solve(m2, gmmX, false);)
       timer.stop();
       std::cout << "   rowmajor^-1 * b:\t" << timer.value() << endl;
-      std::cerr << Map<Matrix<Scalar,Dynamic,1> >(&gmmX[0], cols).transpose() << "\n";
+//       std::cerr << Map<Matrix<Scalar,Dynamic,1> >(&gmmX[0], cols).transpose() << "\n";
     }
     #endif
 
@@ -162,7 +176,7 @@ int main(int argc, char *argv[])
     #endif
 
 
-
+    std::cout << "\n\n";
   }
   #endif
 
@@ -199,8 +213,6 @@ int main(int argc, char *argv[])
     }
   #endif
 
-    std::cout << "\n\n";
-
   return 0;
 }
 
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