void
profmul(void)
{
long double ld1, ld2;
double d1, d2;
float f1, f2;
PROFDECLCLK(clock);
PROFDECLTICK(tick);
sleep(1);
d2 = 1.0;
profstartclk(clock);
profstarttick(tick);
for (d1 = 0.0 ; d1 < (double)PROF_ITERATIONS ; d1 += 1.0) {
d2 *= d1;
}
profstoptick(tick);
profstopclk(clock);
fprintf(stderr, "mul\t%Lf\t%Lf\n",
(long double)proftickdiff(tick) / (long double)PROF_ITERATIONS,
(long double)profclkdiff(clock) / (long double)PROF_ITERATIONS);
sleep(1);
f2 = 1.0;
profstartclk(clock);
profstarttick(tick);
for (f1 = 0.0 ; f1 < (float)PROF_ITERATIONS ; f1 += 1.0) {
f2 *= f1;
}
profstoptick(tick);
profstopclk(clock);
fprintf(stderr, "mulf\t%Lf\t%Lf\n",
(long double)proftickdiff(tick) / (long double)PROF_ITERATIONS,
(long double)profclkdiff(clock) / (long double)PROF_ITERATIONS);
sleep(1);
ld2 = 1.0;
profstartclk(clock);
profstarttick(tick);
for (ld1 = 0.0 ; ld1 < (long double)PROF_ITERATIONS ; ld1 += 1.0) {
ld2 *= ld1;
}
profstoptick(tick);
profstopclk(clock);
fprintf(stderr, "mull\t%Lf\t%Lf\n",
(long double)proftickdiff(tick) / (long double)PROF_ITERATIONS,
(long double)profclkdiff(clock) / (long double)PROF_ITERATIONS);
return;
}
int
main(int argc, char *argv[])
{
int i;
int j;
#if (EVPROF)
PROFDECLCLK(clk);
PROFDECLTICK(tck);
#endif
for ( ; ; ) {
nread = 0;
nwrite = 0;
nrcycle = 0;
nwcycle = 0;
#if (EVPROF) && 0
profstartclk(clk);
#endif
for (i = 0 ; i < 256 ; i++) {
#if (!EVPROF)
fprintf(stderr, "QUEUE: %d\n", i);
#endif
#if (EVPROF)
profstarttick(tck);
#endif
evqkbdchar(&evkbdqueue, i);
#if (EVPROF)
profstoptick(tck);
nwrite++;
nwcycle += proftickdiff(tck);
#endif
}
for (i = 0 ; i < 256 ; i++) {
#if (EVPROF)
profstarttick(tck);
#endif
j = evdeqkbdchar(&evkbdqueue);
#if (EVPROF)
profstoptick(tck);
nread++;
nrcycle += proftickdiff(tck);
#endif
if (j != i) {
fprintf(stderr, "FAILURE: %d (%d)\n", i, j);
exit(1);
}
}
#if (EVPROF) && 0
profstopclk(clk);
fprintf(stderr, "%ld\n", profclkdiff(clk));
#endif
#if (EVPROF)
fprintf(stderr, "%ld cycles per read\n", nrcycle / nread);
fprintf(stderr, "%ld cycles per write\n", nwcycle / nwrite);
#endif
}
exit(0);
}
int
main(int argc, char *argv)
{
PROFCLK(clk);
profstartclk(clk);
printf("hello world\n");
profstopclk(clk);
printf("%lu microseconds to print\n", profclkdiff(clk));
}