+1

2014-01-30 20:01:34 +01:00
parent adef91d82d
commit eb3277587a
4 changed files with 104 additions and 121 deletions
--- a/examples_ptx/nbody/nbody.cpp
+++ b/examples_ptx/nbody/nbody.cpp
@@ -43,7 +43,7 @@ int main (int argc, char *argv[])
  ispcSetMallocHeapLimit(1024*1024*1024);
  ispc::openNbody(n);

-  const int nSteps = 10;
+  const int nSteps = 1;
  const real dt = 0;
  tISPC2 = 1e30;
  for (i = 0; i < m; i ++)
@@ -57,7 +57,7 @@ int main (int argc, char *argv[])
    tISPC2 = get_elapsed_msec();
    fprintf(stderr, " %d iterations took %g sec; perf= %g GFlops\n",
        nSteps, tISPC2/1e3,
-        nSteps * 22.0*n*n/(tISPC2/1e3)/1e9);
+        nSteps * 20.0*n*n/(tISPC2/1e3)/1e9);
  }

  ispc::closeNbody();