Move eigen to third party (#282)

* remove useless statement * Add eigen to third_party dir * remove reducdant lines
2025-10-07 01:22:59 +08:00 · 2022-09-26 19:24:02 +08:00
parent 36eb6fbba6
commit 355382ad63
1781 changed files with 420576 additions and 71 deletions
--- a/third_party/eigen/bench/sparse_transpose.cpp
+++ b/third_party/eigen/bench/sparse_transpose.cpp
@@ -0,0 +1,111 @@
+
+// g++ -O3 -g0 -DNDEBUG  sparse_transpose.cpp -I..
+// -I/home/gael/Coding/LinearAlgebra/mtl4/ -DDENSITY=0.005 -DSIZE=10000 &&
+// ./a.out
+// -DNOGMM -DNOMTL
+// -DCSPARSE -I /home/gael/Coding/LinearAlgebra/CSparse/Include/
+// /home/gael/Coding/LinearAlgebra/CSparse/Lib/libcsparse.a
+
+#ifndef SIZE
+#define SIZE 10000
+#endif
+
+#ifndef DENSITY
+#define DENSITY 0.01
+#endif
+
+#ifndef REPEAT
+#define REPEAT 1
+#endif
+
+#include "BenchSparseUtil.h"
+
+#ifndef MINDENSITY
+#define MINDENSITY 0.0004
+#endif
+
+#ifndef NBTRIES
+#define NBTRIES 10
+#endif
+
+#define BENCH(X)                          \
+  timer.reset();                          \
+  for (int _j = 0; _j < NBTRIES; ++_j) {  \
+    timer.start();                        \
+    for (int _k = 0; _k < REPEAT; ++_k) { \
+      X                                   \
+    }                                     \
+    timer.stop();                         \
+  }
+
+int main(int argc, char *argv[]) {
+  int rows = SIZE;
+  int cols = SIZE;
+  float density = DENSITY;
+
+  EigenSparseMatrix sm1(rows, cols), sm3(rows, cols);
+
+  BenchTimer timer;
+  for (float density = DENSITY; density >= MINDENSITY; density *= 0.5) {
+    fillMatrix(density, rows, cols, sm1);
+
+// dense matrices
+#ifdef DENSEMATRIX
+    {
+      DenseMatrix m1(rows, cols), m3(rows, cols);
+      eiToDense(sm1, m1);
+      BENCH(for (int k = 0; k < REPEAT; ++k) m3 = m1.transpose();)
+      std::cout << "  Eigen dense:\t" << timer.value() << endl;
+    }
+#endif
+
+    std::cout << "Non zeros: "
+              << sm1.nonZeros() / float(sm1.rows() * sm1.cols()) * 100 << "%\n";
+
+    // eigen sparse matrices
+    {
+      BENCH(for (int k = 0; k < REPEAT; ++k) sm3 = sm1.transpose();)
+      std::cout << "  Eigen:\t" << timer.value() << endl;
+    }
+
+// CSparse
+#ifdef CSPARSE
+    {
+      cs *m1, *m3;
+      eiToCSparse(sm1, m1);
+
+      BENCH(for (int k = 0; k < REPEAT; ++k) {
+        m3 = cs_transpose(m1, 1);
+        cs_spfree(m3);
+      })
+      std::cout << "  CSparse:\t" << timer.value() << endl;
+    }
+#endif
+
+// GMM++
+#ifndef NOGMM
+    {
+      GmmDynSparse gmmT3(rows, cols);
+      GmmSparse m1(rows, cols), m3(rows, cols);
+      eiToGmm(sm1, m1);
+      BENCH(for (int k = 0; k < REPEAT; ++k)
+                gmm::copy(gmm::transposed(m1), m3);)
+      std::cout << "  GMM:\t\t" << timer.value() << endl;
+    }
+#endif
+
+// MTL4
+#ifndef NOMTL
+    {
+      MtlSparse m1(rows, cols), m3(rows, cols);
+      eiToMtl(sm1, m1);
+      BENCH(for (int k = 0; k < REPEAT; ++k) m3 = trans(m1);)
+      std::cout << "  MTL4:\t\t" << timer.value() << endl;
+    }
+#endif
+
+    std::cout << "\n\n";
+  }
+
+  return 0;
+}