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// $Id$
#include "Util_Thread.h"
Util_Thread::Util_Thread (Task_State *ts,
ACE_Thread_Manager *thr_mgr)
: ACE_Task<ACE_MT_SYNCH> (thr_mgr),
done_ (0),
number_of_computations_ (0),
ts_ (ts)
{
}
int
Util_Thread::svc (void)
{
ACE_DEBUG ((LM_DEBUG,
"(%t) Utilization Thread created, "
"waiting for threads to finish binding\n"));
ts_->barrier_->wait ();
ACE_DEBUG ((LM_DEBUG,
"(%t) Threads have bound, "
"utilization test started\n"));
run_computations ();
return 0;
}
double
Util_Thread::get_number_of_computations ()
{
return number_of_computations_;
}
// perform repeated prime factor computations on an arbitrary number
// and you thought your life was boring. :-)
int
Util_Thread::run_computations ()
{
while (done_ == 0)
{
unsigned long original = CUBIT_ARBIT_NUMBER;
unsigned long n = original;
unsigned long test_done = 1;
unsigned long sqrt_n = (unsigned long) ceil (sqrt (n));
unsigned long i;
for (i = 2; i <= sqrt_n; i++)
while ( (n % i) == 0) {
n /= i;
test_done *= i;
}
assert (test_done * n == original);
number_of_computations_ ++;
}
return 0;
}
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