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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-03-28 14:04:44 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-03-29 07:42:50 +0200 |
| commit | a1c60b5690a028aeafb62d13015fa56187bc3572 (patch) | |
| tree | 1011e500f13b094a2206bf3b6a1a9c27c9a241f7 /testsuites/benchmarks/whetstone/whetstone.c | |
| parent | benchmarks/whetstone: Import (diff) | |
| download | rtems-a1c60b5690a028aeafb62d13015fa56187bc3572.tar.bz2 | |
benchmarks/whetstone: Port to RTEMS
Update #2958.
Diffstat (limited to 'testsuites/benchmarks/whetstone/whetstone.c')
| -rw-r--r-- | testsuites/benchmarks/whetstone/whetstone.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/testsuites/benchmarks/whetstone/whetstone.c b/testsuites/benchmarks/whetstone/whetstone.c index 159a11a32d..aa41353e8e 100644 --- a/testsuites/benchmarks/whetstone/whetstone.c +++ b/testsuites/benchmarks/whetstone/whetstone.c @@ -58,7 +58,7 @@ C********************************************************************** #include <math.h> /* the following is optional depending on the timing function used */ -#include <time.h> +#include <sys/time.h> /* map the FORTRAN math functions, etc. to the C versions */ #define DSIN sin @@ -82,6 +82,15 @@ void P3(double X, double Y, double *Z); double T,T1,T2,E1[5]; int J,K,L; +static double +Time(void) +{ + struct timeval tv; + + gettimeofday(&tv, NULL); + return (double)tv.tv_sec + (double)tv.tv_usec * 1e-6; +} + int main(int argc, char *argv[]) { @@ -94,8 +103,8 @@ main(int argc, char *argv[]) /* added for this version */ long loopstart; - long startsec, finisec; - float KIPS; + double startsec, finisec; + double KIPS; int continuous; loopstart = 1000; /* see the note about LOOP below */ @@ -120,7 +129,7 @@ C C Start benchmark timing at this point. C */ - startsec = time(0); + startsec = Time(); /* C @@ -355,7 +364,7 @@ C C Stop benchmark timing at this point. C */ - finisec = time(0); + finisec = Time(); /* C---------------------------------------------------------------- @@ -372,10 +381,10 @@ C-------------------------------------------------------------------- return(1); } - printf("Loops: %ld, Iterations: %d, Duration: %ld sec.\n", + printf("Loops: %ld, Iterations: %d, Duration: %f sec.\n", LOOP, II, finisec-startsec); - KIPS = (100.0*LOOP*II)/(float)(finisec-startsec); + KIPS = (100.0*LOOP*II)/(finisec-startsec); if (KIPS >= 1000.0) printf("C Converted Double Precision Whetstones: %.1f MIPS\n", KIPS/1000.0); else |