#define NUM	100

I64 mp_not_done_flags,grand_total;

U0 MPRoutine(CDoc *doc)
{
  I64 i,sum=0,
	lo=NUM*Gs->num/mp_cnt,		//This is how to divide a job
	hi=NUM*(Gs->num+1)/mp_cnt;
  for (i=lo;i<hi;i++)
    sum+=i;
  DocPrint(doc,"Core#%d:%d-%d:%d\n",Gs->num,lo,hi-1,sum);
  lock {grand_total+=sum;}
  LBtr(&mp_not_done_flags,Gs->num);
}

U0 Main()
{
  I64 i;
  grand_total=0;
  mp_not_done_flags=1<<mp_cnt-1;
  for (i=0;i<mp_cnt;i++)
    Spawn(&MPRoutine,DocPut,NULL,i);
  while (mp_not_done_flags)
    Yield;
  "Grand total:%d\n",grand_total;
}

Main;