xref: /gem5/ext/mcpat/cacti/bank.cc

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#include <iostream>

#include "bank.h"

Bank::Bank(const DynamicParameter & dyn_p):
  dp(dyn_p), mat(dp),
  num_addr_b_mat(dyn_p.number_addr_bits_mat),
  num_mats_hor_dir(dyn_p.num_mats_h_dir), num_mats_ver_dir(dyn_p.num_mats_v_dir)
{
  int RWP;
  int ERP;
  int EWP;
  int SCHP;

  if (dp.use_inp_params)
  {
    RWP  = dp.num_rw_ports;
    ERP  = dp.num_rd_ports;
    EWP  = dp.num_wr_ports;
    SCHP = dp.num_search_ports;
  }
  else
  {
    RWP  = g_ip->num_rw_ports;
    ERP  = g_ip->num_rd_ports;
    EWP  = g_ip->num_wr_ports;
    SCHP = g_ip->num_search_ports;
  }

  int total_addrbits = (dp.number_addr_bits_mat + dp.number_subbanks_decode)*(RWP+ERP+EWP);
  int datainbits     = dp.num_di_b_bank_per_port * (RWP + EWP);
  int dataoutbits    = dp.num_do_b_bank_per_port * (RWP + ERP);
  int searchinbits;
  int searchoutbits;

  if (dp.fully_assoc || dp.pure_cam)
  {
          datainbits   = dp.num_di_b_bank_per_port * (RWP + EWP);
          dataoutbits  = dp.num_do_b_bank_per_port * (RWP + ERP);
          searchinbits    = dp.num_si_b_bank_per_port * SCHP;
          searchoutbits   = dp.num_so_b_bank_per_port * SCHP;
  }

  if (!(dp.fully_assoc || dp.pure_cam))
    {
    if (g_ip->fast_access && dp.is_tag == false)
    {
        dataoutbits *= g_ip->data_assoc;
    }

  htree_in_add   = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
      total_addrbits, datainbits, 0,dataoutbits,0, num_mats_ver_dir*2, num_mats_hor_dir*2, Add_htree);
  htree_in_data  = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
      total_addrbits, datainbits, 0,dataoutbits,0, num_mats_ver_dir*2, num_mats_hor_dir*2, Data_in_htree);
  htree_out_data = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
      total_addrbits, datainbits, 0,dataoutbits,0, num_mats_ver_dir*2, num_mats_hor_dir*2, Data_out_htree);

//  htree_out_data = new Htree2 (g_ip->wt,(double) 100, (double)100,
//		  total_addrbits, datainbits, 0,dataoutbits,0, num_mats_ver_dir*2, num_mats_hor_dir*2, Data_out_htree);

  area.w = htree_in_data->area.w;
  area.h = htree_in_data->area.h;
  }
  else
  {
          htree_in_add   = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
                          total_addrbits, datainbits, searchinbits,dataoutbits,searchoutbits, num_mats_ver_dir*2, num_mats_hor_dir*2, Add_htree);
          htree_in_data  = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
                          total_addrbits, datainbits,searchinbits, dataoutbits, searchoutbits, num_mats_ver_dir*2, num_mats_hor_dir*2, Data_in_htree);
          htree_out_data = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
                          total_addrbits, datainbits,searchinbits, dataoutbits, searchoutbits,num_mats_ver_dir*2, num_mats_hor_dir*2, Data_out_htree);
          htree_in_search  = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
                          total_addrbits, datainbits,searchinbits, dataoutbits, searchoutbits, num_mats_ver_dir*2, num_mats_hor_dir*2, Data_in_htree,true, true);
          htree_out_search = new Htree2 (g_ip->wt,(double) mat.area.w, (double)mat.area.h,
                          total_addrbits, datainbits,searchinbits, dataoutbits, searchoutbits,num_mats_ver_dir*2, num_mats_hor_dir*2, Data_out_htree,true);

      area.w = htree_in_data->area.w;
      area.h = htree_in_data->area.h;
  }

  num_addr_b_row_dec = _log2(mat.subarray.num_rows);
  num_addr_b_routed_to_mat_for_act = num_addr_b_row_dec;
  num_addr_b_routed_to_mat_for_rd_or_wr = num_addr_b_mat - num_addr_b_row_dec;
}



Bank::~Bank()
{
  delete htree_in_add;
  delete htree_out_data;
  delete htree_in_data;
  if (dp.fully_assoc || dp.pure_cam)
  {
          delete htree_in_search;
          delete htree_out_search;
  }
}



double Bank::compute_delays(double inrisetime)
{
  return mat.compute_delays(inrisetime);
}



void Bank::compute_power_energy()
{
  mat.compute_power_energy();

  if (!(dp.fully_assoc || dp.pure_cam))
  {
          power.readOp.dynamic += mat.power.readOp.dynamic * dp.num_act_mats_hor_dir;
          power.readOp.leakage += mat.power.readOp.leakage * dp.num_mats;
          power.readOp.gate_leakage += mat.power.readOp.gate_leakage * dp.num_mats;

          power.readOp.dynamic += htree_in_add->power.readOp.dynamic;
          power.readOp.dynamic += htree_out_data->power.readOp.dynamic;

          power.readOp.leakage += htree_in_add->power.readOp.leakage;
          power.readOp.leakage += htree_in_data->power.readOp.leakage;
          power.readOp.leakage += htree_out_data->power.readOp.leakage;
          power.readOp.gate_leakage += htree_in_add->power.readOp.gate_leakage;
          power.readOp.gate_leakage += htree_in_data->power.readOp.gate_leakage;
          power.readOp.gate_leakage += htree_out_data->power.readOp.gate_leakage;
  }
  else
  {

          power.readOp.dynamic += mat.power.readOp.dynamic ;//for fa and cam num_act_mats_hor_dir is 1 for plain r/w
          power.readOp.leakage += mat.power.readOp.leakage * dp.num_mats;
          power.readOp.gate_leakage += mat.power.readOp.gate_leakage * dp.num_mats;

          power.searchOp.dynamic += mat.power.searchOp.dynamic * dp.num_mats;
          power.searchOp.dynamic += mat.power_bl_precharge_eq_drv.searchOp.dynamic +
                                        mat.power_sa.searchOp.dynamic +
                                        mat.power_bitline.searchOp.dynamic +
                                        mat.power_subarray_out_drv.searchOp.dynamic+
                                        mat.ml_to_ram_wl_drv->power.readOp.dynamic;

          power.readOp.dynamic += htree_in_add->power.readOp.dynamic;
          power.readOp.dynamic += htree_out_data->power.readOp.dynamic;

          power.searchOp.dynamic += htree_in_search->power.searchOp.dynamic;
          power.searchOp.dynamic += htree_out_search->power.searchOp.dynamic;

          power.readOp.leakage += htree_in_add->power.readOp.leakage;
          power.readOp.leakage += htree_in_data->power.readOp.leakage;
          power.readOp.leakage += htree_out_data->power.readOp.leakage;
          power.readOp.leakage += htree_in_search->power.readOp.leakage;
          power.readOp.leakage += htree_out_search->power.readOp.leakage;


          power.readOp.gate_leakage += htree_in_add->power.readOp.gate_leakage;
          power.readOp.gate_leakage += htree_in_data->power.readOp.gate_leakage;
          power.readOp.gate_leakage += htree_out_data->power.readOp.gate_leakage;
          power.readOp.gate_leakage += htree_in_search->power.readOp.gate_leakage;
          power.readOp.gate_leakage += htree_out_search->power.readOp.gate_leakage;

  }

}