src/share/vm/gc/g1/g1CollectorPolicy.cpp

*** 1321,1353 ****
  
    if (G1UseAdaptiveConcRefinement) {
      const int k_gy = 3, k_gr = 6;
      const double inc_k = 1.1, dec_k = 0.9;
  
!     int g = cg1r->green_zone();
      if (update_rs_time > goal_ms) {
!       g = (int)(g * dec_k);  // Can become 0, that's OK. That would mean a mutator-only processing.
      } else {
        if (update_rs_time < goal_ms && update_rs_processed_buffers > g) {
!         g = (int)MAX2(g * inc_k, g + 1.0);
        }
      }
      // Change the refinement threads params
      cg1r->set_green_zone(g);
      cg1r->set_yellow_zone(g * k_gy);
      cg1r->set_red_zone(g * k_gr);
      cg1r->reinitialize_threads();
  
!     int processing_threshold_delta = MAX2((int)(cg1r->green_zone() * _predictor.sigma()), 1);
!     int processing_threshold = MIN2(cg1r->green_zone() + processing_threshold_delta,
                                      cg1r->yellow_zone());
      // Change the barrier params
      dcqs.set_process_completed_threshold(processing_threshold);
      dcqs.set_max_completed_queue(cg1r->red_zone());
    }
  
!   int curr_queue_size = dcqs.completed_buffers_num();
    if (curr_queue_size >= cg1r->yellow_zone()) {
      dcqs.set_completed_queue_padding(curr_queue_size);
    } else {
      dcqs.set_completed_queue_padding(0);
    }
--- 1321,1353 ----
  
    if (G1UseAdaptiveConcRefinement) {
      const int k_gy = 3, k_gr = 6;
      const double inc_k = 1.1, dec_k = 0.9;
  
!     size_t g = cg1r->green_zone();
      if (update_rs_time > goal_ms) {
!       g = (size_t)(g * dec_k);  // Can become 0, that's OK. That would mean a mutator-only processing.
      } else {
        if (update_rs_time < goal_ms && update_rs_processed_buffers > g) {
!         g = (size_t)MAX2(g * inc_k, g + 1.0);
        }
      }
      // Change the refinement threads params
      cg1r->set_green_zone(g);
      cg1r->set_yellow_zone(g * k_gy);
      cg1r->set_red_zone(g * k_gr);
      cg1r->reinitialize_threads();
  
!     size_t processing_threshold_delta = MAX2<size_t>(cg1r->green_zone() * _predictor.sigma(), 1);
!     size_t processing_threshold = MIN2(cg1r->green_zone() + processing_threshold_delta,
                                      cg1r->yellow_zone());
      // Change the barrier params
      dcqs.set_process_completed_threshold(processing_threshold);
      dcqs.set_max_completed_queue(cg1r->red_zone());
    }
  
!   size_t curr_queue_size = dcqs.completed_buffers_num();
    if (curr_queue_size >= cg1r->yellow_zone()) {
      dcqs.set_completed_queue_padding(curr_queue_size);
    } else {
      dcqs.set_completed_queue_padding(0);
    }