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Cream of the Crop 1
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UTILITY
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FSULTRA1.ARJ
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TIMINGS.C
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1992-06-18
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/*
FSU - ULTRA The greatest random number generator that ever was
or ever will be. Way beyond Super-Duper.
(Just kidding, but we think its a good one.)
Authors: Arif Zaman (arif@stat.fsu.edu) and
George Marsaglia (geo@stat.fsu.edu).
Date: 27 May 1992
Version: 1.05
Copyright: To obtain permission to incorporate this program into
any commercial product, please contact the authors at
the e-mail address given above or at
Department of Statistics and
Supercomputer Computations Research Institute
Florida State University
Tallahassee, FL 32306.
See Also: README for a brief description
ULTRA.DOC for a detailed description
-----------------------------------------------------------------------
*/
/*
These are timings of the various subroutines using a precision
micro-second timer provided in ztimer10.zip
*/
#include "ztimer.h"
#include "ultra.h"
#define reps 20000
int main()
{ long l;
int i,j;
char c;
printf("Timings in microseconds per call\n\
dvni duni vni uni 32bit 31bit 16bit 15bit 8bit 7bit 1bit\
\n");
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) dvni(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) duni(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) vni(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) uni(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++)
l=i32bit();
LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) i31bit(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) j=i16bit(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) i15bit(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) c=i8bit(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) i7bit(); LZTimerOff();
printf("%7.2f", LZTimerCount()/(float) reps );
rinit(1234567,7654321); LZTimerOn();
for (i=1;i<reps;i++) i1bit(); LZTimerOff();
printf("%7.2f\n", LZTimerCount()/(float) reps );
return(0);
}