3754 
3755     statsOnly( int tmp_size = _task_queue->size();
3756                if (tmp_size > _local_max_size) {
3757                  _local_max_size = tmp_size;
3758                }
3759                _local_pushes += n );
3760   }
3761 
3762   // this operation was quite expensive, so decrease the limits
3763   decrease_limits();
3764 }
3765 
3766 void CMTask::drain_local_queue(bool partially) {
3767   if (has_aborted()) return;
3768 
3769   // Decide what the target size is, depending whether we're going to
3770   // drain it partially (so that other tasks can steal if they run out
3771   // of things to do) or totally (at the very end).
3772   size_t target_size;
3773   if (partially) {
3774     target_size = MIN2((size_t)_task_queue->max_elems()/3, GCDrainStackTargetSize);
3775   } else {
3776     target_size = 0;
3777   }
3778 
3779   if (_task_queue->size() > target_size) {
3780     if (_cm->verbose_high()) {
3781       gclog_or_tty->print_cr("[%u] draining local queue, target size = " SIZE_FORMAT,
3782                              _worker_id, target_size);
3783     }
3784 
3785     oop obj;
3786     bool ret = _task_queue->pop_local(obj);
3787     while (ret) {
3788       statsOnly( ++_local_pops );
3789 
3790       if (_cm->verbose_high()) {
3791         gclog_or_tty->print_cr("[%u] popped "PTR_FORMAT, _worker_id,
3792                                p2i((void*) obj));
3793       }
3794 

3754 
3755     statsOnly( int tmp_size = _task_queue->size();
3756                if (tmp_size > _local_max_size) {
3757                  _local_max_size = tmp_size;
3758                }
3759                _local_pushes += n );
3760   }
3761 
3762   // this operation was quite expensive, so decrease the limits
3763   decrease_limits();
3764 }
3765 
3766 void CMTask::drain_local_queue(bool partially) {
3767   if (has_aborted()) return;
3768 
3769   // Decide what the target size is, depending whether we're going to
3770   // drain it partially (so that other tasks can steal if they run out
3771   // of things to do) or totally (at the very end).
3772   size_t target_size;
3773   if (partially) {
3774     target_size = MIN2((_task_queue->max_elems()/3), GCDrainStackTargetSize);
3775   } else {
3776     target_size = 0;
3777   }
3778 
3779   if (_task_queue->size() > target_size) {
3780     if (_cm->verbose_high()) {
3781       gclog_or_tty->print_cr("[%u] draining local queue, target size = " SIZE_FORMAT,
3782                              _worker_id, target_size);
3783     }
3784 
3785     oop obj;
3786     bool ret = _task_queue->pop_local(obj);
3787     while (ret) {
3788       statsOnly( ++_local_pops );
3789 
3790       if (_cm->verbose_high()) {
3791         gclog_or_tty->print_cr("[%u] popped "PTR_FORMAT, _worker_id,
3792                                p2i((void*) obj));
3793       }
3794