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benchmark utilities now give memory info

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This commit is contained in:
Mark Borgerding
2003-11-08 02:48:02 +00:00
parent bd23fe8d23
commit 140f106743
6 changed files with 69 additions and 38 deletions
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20
test/benchfftw.c
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@ -2,8 +2,7 @@
#include <stdlib.h>
#include <fftw3.h>
#include <getopt.h>
#include <sys/times.h>
#include <unistd.h>
#include "pstats.h"
int main(int argc,char ** argv)
{
@ -14,8 +13,8 @@ int main(int argc,char ** argv)
fftw_complex * in=NULL;
fftw_complex * out=NULL;
fftw_plan p;
struct tms t0,t1;
float cputime;
pstats_init();
while (1) {
int c = getopt (argc, argv, "n:ix:");
@ -41,7 +40,6 @@ int main(int argc,char ** argv)
in[i][1] = rand() - RAND_MAX/2;
}
times(&t0);
if ( isinverse )
p = fftw_plan_dft_1d(nfft, in, out, FFTW_BACKWARD, FFTW_ESTIMATE);
else
@ -51,20 +49,12 @@ int main(int argc,char ** argv)
fftw_execute(p);
fftw_destroy_plan(p);
times(&t1);
fftw_free(in); fftw_free(out);
cputime = ( ((float)t1.tms_utime + t1.tms_stime + t1.tms_cutime + t1.tms_cstime ) -
((float)t0.tms_utime + t0.tms_stime + t0.tms_cutime + t0.tms_cstime ) )
/ sysconf(_SC_CLK_TCK);
fprintf(stderr,"fftw\tnfft=%d\tnumffts=%d\n", nfft,numffts);
pstats_report();
fprintf(stderr,"fftw\t"
"nfft=%d\t"
"numffts=%d\t"
"cputime=%.3f\n" ,
nfft,numffts,cputime
);
return 0;
}