Diff: main.cpp

Revision:

1:a4840e30d4a9

Parent:

0:f96b0b385ec4

--- a/main.cpp	Fri Jun 13 18:30:37 2014 +0000
+++ b/main.cpp	Thu Oct 12 03:30:29 2017 +0000
@@ -6,11 +6,11 @@
 Serial pc(USBTX, USBRX);  //serial channel over HDK USB interface
 
 int main() {
-    double benchtime, dps;
+    double benchtime, dps, VAX_DMIPS;
     unsigned long loops;
     
     pc.baud(9600);
-    printf("Dhrystone Benchmark Program C/1 12/01/84\r\n");
+    pc.printf("Dhrystone Benchmark Program C/1 12/01/84\r\n");
     timer.start();
     while(1) {
         loops = 0l;
@@ -18,14 +18,16 @@
         timer.reset();
         do {
             Proc0();
+            Proc0();
             loops += LOOPS;
             benchtime = timer.read();
-        } while (benchtime <= 60.000);
+        } while (benchtime <= 20.000);
         myled = 0;
         dps = (double)loops / benchtime;
-        printf("Dhrystone time for %ld passes = %.3f sek\r\n", loops, benchtime);
-        printf("This machine benchmarks at %.0f dhrystones/second\r\n", dps);
-        
+        VAX_DMIPS = dps/1757.0;
+        pc.printf("Dhrystone time for %ld passes = %.3f sec\r\n", loops, benchtime);
+        pc.printf("This machine benchmarks at %.0f dhrystones/second\r\n", dps);
+        pc.printf("This machine has %.0f  VAX DMIPS\r\n", VAX_DMIPS);
         wait(1.0);
     }
 }