beginning of fast sparse vector impl

1 files changed, 36 insertions, 0 deletions

diff --git a/utils/ts.cc b/utils/ts.cc
new file mode 100644
index 00000000..1febed3c
--- /dev/null
+++ b/utils/ts.cc
@@ -0,0 +1,36 @@
+#include <iostream>
+#include <map>
+#include <cassert>
+
+#include <boost/static_assert.hpp>
+
+#include "prob.h"
+#include "sparse_vector.h"
+#include "fast_sparse_vector.h"
+
+using namespace std;
+
+int main() {
+  cerr << sizeof(prob_t) << " " << sizeof(LogVal<float>) << endl;
+  cerr << " sizeof(FSV<float>) = " << sizeof(FastSparseVector<float>) << endl;
+  cerr << "sizeof(FSV<double>) = " << sizeof(FastSparseVector<double>) << endl;
+  sranddev();
+  int c = 0;
+  for (int i = 0; i < 1000000; ++i) {
+    FastSparseVector<float> x;
+    //SparseVector<float> x;
+    for (int j = 0; j < 15; ++j) {
+      const int k = rand() % 1000;
+      const float v = rand() / 3.14f;
+      x.set_value(k,v);
+    }
+    //SparseVector<float> y = x;
+    FastSparseVector<float> y = x;
+    y += x;
+    y = x;
+    if (y.value(50)) { c++; }
+  }
+  cerr << "Counted " << c << " times\n";
+  return 0;
+}
+