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来自「M5,一个功能强大的多处理器系统模拟器.很多针对处理器架构,性能的研究都使用它作」· CC 代码 · 共 1,471 行 · 第 1/5 页

                                else/*in between case*/
                                  {
                                    lat = DR_T_RP+DR_T_RCD+DR_T_CAC+DR_T_PACKET-corrected_overlap;
                                    in_between_case++;
                                    partial_overlapping++;
                                  }
                              }
                            else/*worst case*/
                              {
                                lat = DR_T_RP+DR_T_RCD+DR_T_CAC+DR_T_PACKET;
                                in_between_case++;
                              }
                          }
                        else/*current_row == DR_NUM_ROWS:precharged or inactive*/
                          {
                            if(precharge == 0)/*no adjacent bank is active*/
                              {
                                if (corrected_overlap > 0 )/*overlapping*/
                                  {
                                    if(corrected_overlap >= (DR_T_RCD+DR_T_CAC+DR_T_PACKET))/*best case*/
                                      {
                                        lat = DR_BEST_T_READ_READ_OBANK;
                                        best_case++;
                                        full_overlapping++;
                                      }
                                    else/*in between case*/
                                      {
                                        lat = DR_T_RCD+DR_T_CAC+DR_T_PACKET-corrected_overlap;
                                        in_between_case++;
                                        partial_overlapping++;
                                      }
                                  }
                                else/*worst case*/
                                  {
                                    lat = DR_T_RCD+DR_T_CAC+DR_T_PACKET;
                                    in_between_case++;
                                  }
                              }
                            else/*one ore two adjacent banks are active*/
                              {
                                if (precharge == 1)
                                  {
                                    if (corrected_overlap > 0 )/*overlapping*/
                                      {
                                        if(corrected_overlap >= (DR_T_RP+DR_T_RCD+DR_T_CAC+DR_T_PACKET))/*best case*/
                                          {
                                            lat = DR_BEST_T_READ_READ_OBANK;
                                            best_case++;
                                            full_overlapping++;
                                          }
                                        else/*in between case*/
                                          {
                                            lat = (DR_T_RP+DR_T_RCD+DR_T_CAC+DR_T_PACKET)-corrected_overlap;
                                            in_between_case++;
                                            partial_overlapping++;
                                          }
                                      }
                                    else/*worst case*/
                                      {
                                        lat = (DR_T_RP+DR_T_RCD+DR_T_CAC+DR_T_PACKET);
                                        in_between_case++;
                                      }
                                  }
                                else /*precharge ==2: two rows must be precharged*/
                                  {
                                    if (adjacent == 1)/*these banks are adjacent*/
                                      {
                                        if (corrected_overlap > 0 )/*overlapping*/
                                          {
                                            if(corrected_overlap >= DR_T_PP+2*DR_T_PACKET-DR_T_RDP+DR_T_CAC)/*best case*/
                                              {
                                                lat = DR_T_RDP+DR_T_RP+DR_T_RCD-DR_T_PACKET;
                                                in_between_case++;
                                                full_overlapping++;
                                              }
                                            else/*in between case*/
                                              {
                                                lat = DR_T_READ_READ_OBANK-corrected_overlap;
                                                in_between_case++;
                                                partial_overlapping++;
                                              }
                                          }
                                        else/*worst case*/
                                          {
                                            lat = DR_T_READ_READ_OBANK;
                                            worst_case++;
                                          }
                                      }
                                    else/*adjacent == 0: two not adjacent banks need to be precharged*/
                                      {
                                        if (corrected_overlap > 0 )/*overlapping*/
                                          {
                                            if(corrected_overlap >= DR_T_READ_READ_OBANK)/*best case*/
                                              {
                                                lat = DR_BEST_T_READ_READ_OBANK;
                                                best_case++;
                                                full_overlapping++;
                                              }
                                            else/*in between case*/
                                              {
                                                lat = DR_T_READ_READ_OBANK-corrected_overlap;
                                                in_between_case++;
                                                partial_overlapping++;
                                              }
                                          }
                                        else/*worst case*/
                                          {
                                            lat = DR_T_READ_READ_OBANK;
                                            worst_case++;
                                          }
                                      }
                                  }
                              }
                          }
                        other_bank_read_access_miss[0]++;
                        obr_after_read_miss++;
                      }
                  }
                else/*write*/
                  {
                    if (current_row == active_row[current_bank])/*row is still active*/
                      {
                        if (corrected_overlap > 0 )/*overlapping*/
                          {
                            if(corrected_overlap >= (DR_T_CWD+DR_T_PACKET))/*best case*/
                              {
                                lat = DR_BEST_T_WRITE_WRITE_OBANK;
                                best_case++;
                                full_overlapping++;
                              }
                            else/*in between case*/
                              {
                                lat = DR_T_CWD+DR_T_PACKET-corrected_overlap;
                                in_between_case++;
                                partial_overlapping++;
                              }
                          }
                        else/*worst case*/
                          {
                            lat = DR_T_CWD+DR_T_PACKET;
                            in_between_case++;
                          }
                        other_bank_write_access_hit++;
                        obw_after_write_hit++;
                      }
                    else/*row is not active or bank is precharged/not active*/
                      {
                        if (active_row[current_bank] != DR_NUM_ROWS)/*row is not active,but bank is active*/
                          {
                            if (corrected_overlap > 0 )/*overlapping*/
                              {
                                if(corrected_overlap >= (DR_T_RP+DR_T_RCD+DR_T_CWD+DR_T_PACKET))/*best case*/
                                  {
                                    lat = DR_BEST_T_WRITE_WRITE_OBANK;
                                    best_case++;
                                    full_overlapping++;
                                  }
                                else/*in between case*/
                                  {
                                    lat = DR_T_RP+DR_T_RCD+DR_T_CWD+DR_T_PACKET-corrected_overlap;
                                    in_between_case++;
                                    partial_overlapping++;
                                  }
                              }
                            else/*worst case*/
                              {
                                lat = DR_T_RP+DR_T_RCD+DR_T_CWD+DR_T_PACKET;
                                in_between_case++;
                              }
                          }
                        else/*current_row == DR_NUM_ROWS:precharged or inactive*/
                          {
                            if(precharge == 0)/*no adjacent bank is active*/
                              {
                                if (corrected_overlap > 0 )/*overlapping*/
                                  {
                                    if(corrected_overlap >= (DR_T_RCD+DR_T_CWD+DR_T_PACKET))/*best case*/
                                      {
                                        lat = DR_BEST_T_WRITE_WRITE_OBANK;
                                        best_case++;
                                        full_overlapping++;
                                      }
                                    else/*in between case*/
                                      {
                                        lat = DR_T_RCD+DR_T_CWD+DR_T_PACKET-corrected_overlap;
                                        in_between_case++;
                                        partial_overlapping++;
                                      }
                                  }
                                else/*worst case*/
                                  {
                                    lat = DR_T_RCD+DR_T_CWD+DR_T_PACKET;
                                    in_between_case++;
                                  }
                              }
                            else/*one ore two adjacent banks are active*/
                              {
                                if (precharge == 1)/*last_bank is no adjacent*/
                                  {
                                    if (corrected_overlap > 0 )/*overlapping*/
                                      {
                                        if(corrected_overlap >= (DR_T_RP+DR_T_RCD+DR_T_CWD+DR_T_PACKET))/*best case*/
                                          {
                                            lat = DR_BEST_T_WRITE_WRITE_OBANK;
                                            best_case++;
                                            full_overlapping++;
                                          }
                                        else/*in between case*/
                                          {
                                            lat = (DR_T_RP+DR_T_RCD+DR_T_CWD+DR_T_PACKET)-corrected_overlap;
                                            in_between_case++;
                                            partial_overlapping++;
                                          }
                                      }
                                    else/*worst case*/
                                      {
                                        lat = (DR_T_RP+DR_T_RCD+DR_T_CWD+DR_T_PACKET);
                                        in_between_case++;
                                      }
                                  }
                                else /*precharge ==2: two rows have to be precharged*/
                                  {
                                    if (adjacent == 1)/*these banks are adjacent*/
                                      {
                                        if (corrected_overlap > 0 )/*overlapping*/
                                          {
                                            if(corrected_overlap >= DR_T_OWR+DR_T_PP)/*best case*/
                                              {
                                                lat = DR_T_WRITE_WRITE_OBANK-DR_T_OWR-DR_T_PP;
                                                in_between_case++;
                                                full_overlapping++;
                                              }
                                            else/*in between case*/
                                              {
                                                lat = DR_T_WRITE_WRITE_OBANK-corrected_overlap;
                                                in_between_case++;
                                                partial_overlapping++;
                                              }
                                          }
                                        else/*worst case*/
                                          {
                                            lat = DR_T_WRITE_WRITE_OBANK;
                                            worst_case++;
                                          }
                                      }
                                    else/*adjacent == 0: two not adjacent banks need to be precharged*/
                                      {
                                        if (corrected_overlap > 0 )/*overlapping*/
                                          {
                                            if(corrected_overlap >= DR_T_WRITE_WRITE_OBANK)/*best case*/
                                              {
                                                lat = DR_BEST_T_WRITE_WRITE_OBANK;
                                                best_case++;
                                                full_overlapping++;
                                              }
                                            else/*in between case*/
                                              {
                                                lat = DR_T_WRITE_WRITE_OBANK-corrected_overlap;
                                                in_between_case++;
                                                partial_overlapping++;
                                              }
                                          }
                                        else/*worst case*/
                                          {
                                            lat = DR_T_WRITE_WRITE_OBANK;
                                            worst_case++;
                                          }
                                      }
                                  }
                              }
                          }
                        other_bank_write_access_miss[0]++;
                        obw_after_write_miss++;
                      }
                  }
              }
          }
        else /*lastCmdIsRead != cmdIsRead*/
          {
            if (current_bank == last_bank)/*same bank*/
              {
                if (current_row == last_row)/*same row*/
                  {
                    if (cmdIsRead)
                      {
                        if (corrected_overlap > 0)/*overlapping*/
                          {
                            /*best case*/
                            if (corrected_overlap >= DR_T_OWR)
                              {
                                lat=DR_BEST_T_READ_WRI