void dspstress_perform64(t_dspstress *x, t_object *dsp64, double **ins, long numins, double **outs, long numouts, long sampleframes, long flags, void *userparam)
{
float spintime;
double intime;
double outtime;
unsigned long spincounter = 0;
spintime = x->x_svtime_ms * x->x_cpuusagetarget / 100.;
intime = systimer_gettime();
outtime = intime + spintime;
while (systimer_gettime() < outtime) {
// tra la la
spincounter++; // how high can we count?
}
}
void threadpool_dotask(t_threadpool *x, t_symbol *s, long ac, t_atom *av)
{
long i;
double f=0.74;
double start = systimer_gettime();
double end;
long textsize=0;
char *tmpstr=NULL;
atom_gettext(ac,av,&textsize,&tmpstr,0);
post("threadpool starting background task (%s)",tmpstr);
for (i=0;i<100000000;i++) {
f = sqrt(sin(f)*sin(f) + cos(f)*cos(f));
}
end = systimer_gettime();
post("threadpool finished background task (%s) result=%f time=%f",tmpstr,f,end-start);
if (tmpstr)
sysmem_freeptr(tmpstr);
}
void *simpleparallel_threadproc(t_sysparallel_worker *w)
{
t_simpleparallel *x = (t_simpleparallel *)w->data;
int i,myfoo=0,iterations;
double time = systimer_gettime();
object_post((t_object *)x,"worker %ld of %ld started",w->id,w->task->workercount);
// do some work
iterations = x->x_iterations;
for (i=0; i<iterations; i++) {
myfoo++;
}
// increment our main value
systhread_mutex_lock(x->x_mutex);
x->x_foo += myfoo; // fiddle with shared data
systhread_mutex_unlock(x->x_mutex);
object_post((t_object *)x,"worker %ld of %ld ended (%fms)",w->id,w->task->workercount,systimer_gettime()-time);
return NULL;
}
