Benchmark: Add MFlops print in iamax benchmark

Ashwin Sekhar T K · Ashwin Sekhar T K · commit efda640723cc · 2017-01-24T23:13:47.000-08:00
diff --git a/benchmark/iamax.c b/benchmark/iamax.c
@@ -149,7 +149,7 @@ int main(int argc, char *argv[]){
   srandom(getpid());
 #endif
 
-  fprintf(stderr, "   SIZE       Time\n");
+  fprintf(stderr, "   SIZE       Flops\n");
 
   for(m = from; m <= to; m += step)
   {
@@ -180,7 +180,9 @@ int main(int argc, char *argv[]){
 
     timeg /= loops;
 
-    fprintf(stderr, " %10.6f secs\n", timeg);
+    fprintf(stderr,
+	    " %10.2f MFlops %10.6f sec\n",
+	    COMPSIZE * sizeof(FLOAT) * 1. * (double)m / timeg * 1.e-6, timeg);
 
   }
 

Original file line number	Diff line number	Diff line change
`@@ -149,7 +149,7 @@ int main(int argc, char *argv[]){`
`149`	`149`	`srandom(getpid());`
`150`	`150`	`#endif`
`151`	`151`
`152`		`- fprintf(stderr, " SIZE Time\n");`
	`152`	`+ fprintf(stderr, " SIZE Flops\n");`
`153`	`153`
`154`	`154`	`for(m = from; m <= to; m += step)`
`155`	`155`	`{`
`@@ -180,7 +180,9 @@ int main(int argc, char *argv[]){`
`180`	`180`
`181`	`181`	`timeg /= loops;`
`182`	`182`
`183`		`- fprintf(stderr, " %10.6f secs\n", timeg);`
	`183`	`+ fprintf(stderr,`
	`184`	`+ " %10.2f MFlops %10.6f sec\n",`
	`185`	`+ COMPSIZE * sizeof(FLOAT) * 1. * (double)m / timeg * 1.e-6, timeg);`
`184`	`186`
`185`	`187`	`}`
`186`	`188`