AccelWattch dev Integration

1 files changed, 0 insertions, 640 deletions

diff --git a/src/gpuwattch/cacti/htree2.cc b/src/gpuwattch/cacti/htree2.cc
deleted file mode 100644
index c40a880..0000000
--- a/src/gpuwattch/cacti/htree2.cc
+++ /dev/null
@@ -1,640 +0,0 @@
-/*****************************************************************************
- *                                McPAT/CACTI
- *                      SOFTWARE LICENSE AGREEMENT
- *            Copyright 2012 Hewlett-Packard Development Company, L.P.
- *                          All Rights Reserved
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
-
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.”
- *
- ***************************************************************************/
-
-
-
-#include "htree2.h"
-#include "wire.h"
-#include <assert.h>
-#include <iostream>
-
-Htree2::Htree2(
-    enum Wire_type wire_model, double mat_w, double mat_h,
-    int a_bits, int d_inbits, int search_data_in, int d_outbits, int search_data_out, int bl, int wl, enum Htree_type htree_type,
-    bool uca_tree_, bool search_tree_, TechnologyParameter::DeviceType *dt)
- :in_rise_time(0), out_rise_time(0),
-  tree_type(htree_type), mat_width(mat_w), mat_height(mat_h),
-  add_bits(a_bits), data_in_bits(d_inbits), search_data_in_bits(search_data_in),data_out_bits(d_outbits),
-  search_data_out_bits(search_data_out), ndbl(bl), ndwl(wl),
-  uca_tree(uca_tree_), search_tree(search_tree_), wt(wire_model), deviceType(dt)
-{
-  assert(ndbl >= 2 && ndwl >= 2);
-
-//  if (ndbl == 1 && ndwl == 1)
-//  {
-//    delay = 0;
-//    power.readOp.dynamic = 0;
-//    power.readOp.leakage = 0;
-//    area.w = mat_w;
-//    area.h = mat_h;
-//    return;
-//  }
-//  if (ndwl == 1) ndwl++;
-//  if (ndbl == 1) ndbl++;
-
-  max_unpipelined_link_delay = 0; //TODO
-  min_w_nmos = g_tp.min_w_nmos_;
-  min_w_pmos = deviceType->n_to_p_eff_curr_drv_ratio * min_w_nmos;
-
-  switch (htree_type)
-  {
-    case Add_htree:
-      wire_bw = init_wire_bw = add_bits;
-      in_htree();
-      break;
-    case Data_in_htree:
-      wire_bw = init_wire_bw = data_in_bits;
-      in_htree();
-      break;
-    case Data_out_htree:
-      wire_bw = init_wire_bw = data_out_bits;
-      out_htree();
-      break;
-    case Search_in_htree:
-      wire_bw = init_wire_bw = search_data_in_bits;//in_search_tree is broad cast, out_htree is not.
-      in_htree();
-      break;
-    case Search_out_htree:
-      wire_bw = init_wire_bw = search_data_out_bits;
-      out_htree();
-      break;
-    default:
-      assert(0);
-      break;
-  }
-
-  power_bit = power;
-  power.readOp.dynamic *= init_wire_bw;
-
-  assert(power.readOp.dynamic >= 0);
-  assert(power.readOp.leakage >= 0);
-}
-
-
-
-// nand gate sizing calculation
-void Htree2::input_nand(double s1, double s2, double l_eff)
-{
-  Wire w1(wt, l_eff);
-  double pton_size = deviceType->n_to_p_eff_curr_drv_ratio;
-  // input capacitance of a repeater  = input capacitance of nand.
-  double nsize = s1*(1 + pton_size)/(2 + pton_size);
-  nsize = (nsize < 1) ? 1 : nsize;
-
-  double tc = 2*tr_R_on(nsize*min_w_nmos, NCH, 1) *
-    (drain_C_(nsize*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)*2 +
-     2 * gate_C(s2*(min_w_nmos + min_w_pmos), 0));
-  delay+= horowitz (w1.out_rise_time, tc,
-      deviceType->Vth/deviceType->Vdd, deviceType->Vth/deviceType->Vdd, RISE);
-  power.readOp.dynamic += 0.5 *
-    (2*drain_C_(pton_size * nsize*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-     + drain_C_(nsize*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)
-     + 2*gate_C(s2*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd;
-
-    power.searchOp.dynamic += 0.5 *
-    (2*drain_C_(pton_size * nsize*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-     + drain_C_(nsize*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)
-     + 2*gate_C(s2*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd * wire_bw ;
-  power.readOp.leakage += (wire_bw*cmos_Isub_leakage(min_w_nmos*(nsize*2), min_w_pmos * nsize * 2, 2, nand))*deviceType->Vdd;
-  power.readOp.gate_leakage += (wire_bw*cmos_Ig_leakage(min_w_nmos*(nsize*2), min_w_pmos * nsize * 2, 2, nand))*deviceType->Vdd;
-}
-
-
-
-// tristate buffer model consisting of not, nand, nor, and driver transistors
-void Htree2::output_buffer(double s1, double s2, double l_eff)
-{
-  Wire w1(wt, l_eff);
-  double pton_size = deviceType->n_to_p_eff_curr_drv_ratio;
-  // input capacitance of repeater = input capacitance of nand + nor.
-  double size = s1*(1 + pton_size)/(2 + pton_size + 1 + 2*pton_size);
-  double s_eff =  //stage eff of a repeater in a wire
-    (gate_C(s2*(min_w_nmos + min_w_pmos), 0) + w1.wire_cap(l_eff*1e-6,true))/
-    gate_C(s2*(min_w_nmos + min_w_pmos), 0);
-  double tr_size = gate_C(s1*(min_w_nmos + min_w_pmos), 0) * 1/2/(s_eff*gate_C(min_w_pmos, 0));
-  size = (size < 1) ? 1 : size;
-
-  double res_nor = 2*tr_R_on(size*min_w_pmos, PCH, 1);
-  double res_ptrans = tr_R_on(tr_size*min_w_nmos, NCH, 1);
-  double cap_nand_out = drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def) +
-                        drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)*2 +
-                        gate_C(tr_size*min_w_pmos, 0);
-  double cap_ptrans_out = 2 *(drain_C_(tr_size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def) +
-                              drain_C_(tr_size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)) +
-                          gate_C(s1*(min_w_nmos + min_w_pmos), 0);
-
-  double tc = res_nor * cap_nand_out + (res_nor + res_ptrans) * cap_ptrans_out;
-
-
-  delay += horowitz (w1.out_rise_time, tc,
-      deviceType->Vth/deviceType->Vdd, deviceType->Vth/deviceType->Vdd, RISE);
-
-  //nand
-  power.readOp.dynamic += 0.5 *
-    (2*drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def) +
-       drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def) +
-     gate_C(tr_size*(min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd;
-
-    power.searchOp.dynamic += 0.5 *
-    (2*drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def) +
-       drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def) +
-     gate_C(tr_size*(min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd*init_wire_bw;
-
-  //not
-  power.readOp.dynamic += 0.5 *
-    (drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-     +drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)
-     +gate_C(size*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd;
-
-    power.searchOp.dynamic += 0.5 *
-    (drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-     +drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)
-     +gate_C(size*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd*init_wire_bw;
-
-  //nor
-  power.readOp.dynamic += 0.5 *
-    (drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-     + 2*drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)
-     +gate_C(tr_size*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd;
-
-    power.searchOp.dynamic += 0.5 *
-    (drain_C_(size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-     + 2*drain_C_(size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def)
-     +gate_C(tr_size*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd*init_wire_bw;
-
-  //output transistor
-  power.readOp.dynamic += 0.5 *
-    ((drain_C_(tr_size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-      +drain_C_(tr_size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def))*2
-     + gate_C(s1*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd;
-
-    power.searchOp.dynamic += 0.5 *
-    ((drain_C_(tr_size*min_w_pmos, PCH, 1, 1, g_tp.cell_h_def)
-      +drain_C_(tr_size*min_w_nmos, NCH, 1, 1, g_tp.cell_h_def))*2
-     + gate_C(s1*(min_w_nmos + min_w_pmos), 0)) *
-    deviceType->Vdd * deviceType->Vdd*init_wire_bw;
-
-  if(uca_tree) {
-	power.readOp.leakage += cmos_Isub_leakage(min_w_nmos*tr_size*2, min_w_pmos*tr_size*2, 1, inv)*deviceType->Vdd*wire_bw;/*inverter + output tr*/
-	power.readOp.leakage += cmos_Isub_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nand)*deviceType->Vdd*wire_bw;//nand
-	power.readOp.leakage += cmos_Isub_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nor)*deviceType->Vdd*wire_bw;//nor
-
-	power.readOp.gate_leakage += cmos_Ig_leakage(min_w_nmos*tr_size*2, min_w_pmos*tr_size*2, 1, inv)*deviceType->Vdd*wire_bw;/*inverter + output tr*/
-    power.readOp.gate_leakage += cmos_Ig_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nand)*deviceType->Vdd*wire_bw;//nand
-    power.readOp.gate_leakage += cmos_Ig_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nor)*deviceType->Vdd*wire_bw;//nor
-    //power.readOp.gate_leakage *=;
-  }
-  else {
-	power.readOp.leakage += cmos_Isub_leakage(min_w_nmos*tr_size*2, min_w_pmos*tr_size*2, 1, inv)*deviceType->Vdd*wire_bw;/*inverter + output tr*/
-	power.readOp.leakage += cmos_Isub_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nand)*deviceType->Vdd*wire_bw;//nand
-	power.readOp.leakage += cmos_Isub_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nor)*deviceType->Vdd*wire_bw;//nor
-
-	power.readOp.gate_leakage += cmos_Ig_leakage(min_w_nmos*tr_size*2, min_w_pmos*tr_size*2, 1, inv)*deviceType->Vdd*wire_bw;/*inverter + output tr*/
-    power.readOp.gate_leakage += cmos_Ig_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nand)*deviceType->Vdd*wire_bw;//nand
-    power.readOp.gate_leakage += cmos_Ig_leakage(min_w_nmos*size*3, min_w_pmos*size*3, 2, nor)*deviceType->Vdd*wire_bw;//nor
-    //power.readOp.gate_leakage *=deviceType->Vdd*wire_bw;
-  }
-}
-
-
-
-/* calculates the input h-tree delay/power
- * A nand gate is used at each node to
- * limit the signal
- * The area of an unbalanced htree (rows != columns)
- * depends on how data is traversed.
- * In the following function, if ( no. of rows < no. of columns),
- * then data first traverse in excess hor. links until vertical
- * and horizontal nodes are same.
- * If no. of rows is bigger, then data traverse in
- * a hor. link followed by a ver. link in a repeated
- * fashion (similar to a balanced tree) until there are no
- * hor. links left. After this it goes through the remaining vertical
- * links.
- */
-  void
-Htree2::in_htree()
-{
-  //temp var
-  double s1 = 0, s2 = 0, s3 = 0;
-  double l_eff = 0;
-  Wire *wtemp1 = 0, *wtemp2 = 0, *wtemp3 = 0;
-  double len = 0, ht = 0;
-  int option = 0;
-
-  int h = (int) _log2(ndwl/2); // horizontal nodes
-  int v = (int) _log2(ndbl/2); // vertical nodes
-  double len_temp;
-  double ht_temp;
-  if (uca_tree)
-  {//Sheng: this computation do not consider the wires that route from edge to middle.
-    ht_temp = (mat_height*ndbl/2 +/* since uca_tree models interbank tree, mat_height => bank height */
-        ((add_bits + data_in_bits + data_out_bits + (search_data_in_bits + search_data_out_bits)) * g_tp.wire_outside_mat.pitch *
-         2 * (1-pow(0.5,h))))/2;
-    len_temp = (mat_width*ndwl/2 +
-        ((add_bits + data_in_bits + data_out_bits + (search_data_in_bits + search_data_out_bits)) * g_tp.wire_outside_mat.pitch *
-         2 * (1-pow(0.5,v))))/2;
-  }
-  else
-  {
-    if (ndwl == ndbl) {
-      ht_temp = ((mat_height*ndbl/2) +
-          ((add_bits + (search_data_in_bits + search_data_out_bits))* (ndbl/2-1) * g_tp.wire_outside_mat.pitch) +
-          ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * h)
-          )/2;
-      len_temp = (mat_width*ndwl/2 +
-        ((add_bits + (search_data_in_bits + search_data_out_bits)) * (ndwl/2-1) * g_tp.wire_outside_mat.pitch) +
-        ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * v))/2;
-    }
-    else if (ndwl > ndbl) {
-      double excess_part = (_log2(ndwl/2) - _log2(ndbl/2));
-      ht_temp = ((mat_height*ndbl/2) +
-          ((add_bits + + (search_data_in_bits + search_data_out_bits)) * ((ndbl/2-1) + excess_part) * g_tp.wire_outside_mat.pitch) +
-          (data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch *
-          (2*(1 - pow(0.5, h-v)) + pow(0.5, v-h) * v))/2;
-      len_temp = (mat_width*ndwl/2 +
-        ((add_bits + (search_data_in_bits + search_data_out_bits))* (ndwl/2-1) * g_tp.wire_outside_mat.pitch) +
-        ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * v))/2;
-    }
-    else {
-       double excess_part = (_log2(ndbl/2) - _log2(ndwl/2));
-      ht_temp = ((mat_height*ndbl/2) +
-          ((add_bits + (search_data_in_bits + search_data_out_bits))* ((ndwl/2-1) + excess_part) * g_tp.wire_outside_mat.pitch) +
-          ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * h)
-          )/2;
-      len_temp = (mat_width*ndwl/2 +
-          ((add_bits + (search_data_in_bits + search_data_out_bits)) * ((ndwl/2-1) + excess_part) * g_tp.wire_outside_mat.pitch) +
-          (data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * (h + 2*(1-pow(0.5, v-h))))/2;
-    }
-  }
-
-  area.h   = ht_temp * 2;
-  area.w   = len_temp * 2;
-  delay = 0;
-  power.readOp.dynamic = 0;
-  power.readOp.leakage = 0;
-  power.searchOp.dynamic =0;
-  len = len_temp;
-  ht  = ht_temp/2;
-
-  while (v > 0 || h > 0)
-  {
-    if (wtemp1) delete wtemp1;
-    if (wtemp2) delete wtemp2;
-    if (wtemp3) delete wtemp3;
-
-    if (h > v)
-    {
-      //the iteration considers only one horizontal link
-      wtemp1 = new Wire(wt, len); // hor
-      wtemp2 = new Wire(wt, len/2);  // ver
-      len_temp = len;
-      len /= 2;
-      wtemp3 = 0;
-      h--;
-      option = 0;
-    }
-    else if (v>0 && h>0)
-    {
-      //considers one horizontal link and one vertical link
-      wtemp1 = new Wire(wt, len); // hor
-      wtemp2 = new Wire(wt, ht);  // ver
-      wtemp3 = new Wire(wt, len/2);  // next hor
-      len_temp = len;
-      ht_temp = ht;
-      len /= 2;
-      ht  /= 2;
-      v--;
-      h--;
-      option = 1;
-    }
-    else
-    {
-      // considers only one vertical link
-      assert(h == 0);
-      wtemp1 = new Wire(wt, ht); // ver
-      wtemp2 = new Wire(wt, ht/2);  // hor
-      ht_temp = ht;
-      ht /= 2;
-      wtemp3 = 0;
-      v--;
-      option = 2;
-    }
-
-    delay += wtemp1->delay;
-    power.readOp.dynamic += wtemp1->power.readOp.dynamic;
-    power.searchOp.dynamic += wtemp1->power.readOp.dynamic*wire_bw;
-    power.readOp.leakage += wtemp1->power.readOp.leakage*wire_bw;
-    power.readOp.gate_leakage += wtemp1->power.readOp.gate_leakage*wire_bw;
-    if ((uca_tree == false && option == 2) || search_tree==true)
-    {
-      wire_bw*=2;  // wire bandwidth doubles only for vertical branches
-    }
-
-    if (uca_tree == false)
-    {
-      if (len_temp > wtemp1->repeater_spacing)
-      {
-        s1 = wtemp1->repeater_size;
-        l_eff = wtemp1->repeater_spacing;
-      }
-      else
-      {
-        s1 = (len_temp/wtemp1->repeater_spacing) * wtemp1->repeater_size;
-        l_eff = len_temp;
-      }
-
-      if (ht_temp > wtemp2->repeater_spacing)
-      {
-        s2 = wtemp2->repeater_size;
-      }
-      else
-      {
-        s2 = (len_temp/wtemp2->repeater_spacing) * wtemp2->repeater_size;
-      }
-      // first level
-      input_nand(s1, s2, l_eff);
-    }
-
-
-    if (option != 1)
-    {
-      continue;
-    }
-
-    // second level
-    delay += wtemp2->delay;
-    power.readOp.dynamic += wtemp2->power.readOp.dynamic;
-    power.searchOp.dynamic += wtemp2->power.readOp.dynamic*wire_bw;
-    power.readOp.leakage += wtemp2->power.readOp.leakage*wire_bw;
-    power.readOp.gate_leakage += wtemp2->power.readOp.gate_leakage*wire_bw;
-
-    if (uca_tree)
-    {
-      power.readOp.leakage += (wtemp2->power.readOp.leakage*wire_bw);
-      power.readOp.gate_leakage += wtemp2->power.readOp.gate_leakage*wire_bw;
-    }
-    else
-    {
-      power.readOp.leakage += (wtemp2->power.readOp.leakage*wire_bw);
-      power.readOp.gate_leakage += wtemp2->power.readOp.gate_leakage*wire_bw;
-      wire_bw*=2;
-
-      if (ht_temp > wtemp3->repeater_spacing)
-      {
-        s3    = wtemp3->repeater_size;
-        l_eff = wtemp3->repeater_spacing;
-      }
-      else
-      {
-        s3    = (len_temp/wtemp3->repeater_spacing) * wtemp3->repeater_size;
-        l_eff = ht_temp;
-      }
-
-      input_nand(s2, s3, l_eff);
-    }
-  }
-
-  if (wtemp1) delete wtemp1;
-  if (wtemp2) delete wtemp2;
-  if (wtemp3) delete wtemp3;
-}
-
-
-
-/* a tristate buffer is used to handle fan-ins
- * The area of an unbalanced htree (rows != columns)
- * depends on how data is traversed.
- * In the following function, if ( no. of rows < no. of columns),
- * then data first traverse in excess hor. links until vertical
- * and horizontal nodes are same.
- * If no. of rows is bigger, then data traverse in
- * a hor. link followed by a ver. link in a repeated
- * fashion (similar to a balanced tree) until there are no
- * hor. links left. After this it goes through the remaining vertical
- * links.
- */
-void Htree2::out_htree()
-{
-  //temp var
-  double s1 = 0, s2 = 0, s3 = 0;
-  double l_eff = 0;
-  Wire *wtemp1 = 0, *wtemp2 = 0, *wtemp3 = 0;
-  double len = 0, ht = 0;
-  int option = 0;
-
-  int h = (int) _log2(ndwl/2);
-  int v = (int) _log2(ndbl/2);
-  double len_temp;
-  double ht_temp;
-  if (uca_tree)
-  {
-    ht_temp = (mat_height*ndbl/2 +/* since uca_tree models interbank tree, mat_height => bank height */
-        ((add_bits + data_in_bits + data_out_bits + (search_data_in_bits + search_data_out_bits)) * g_tp.wire_outside_mat.pitch *
-         2 * (1-pow(0.5,h))))/2;
-    len_temp = (mat_width*ndwl/2 +
-        ((add_bits + data_in_bits + data_out_bits + (search_data_in_bits + search_data_out_bits)) * g_tp.wire_outside_mat.pitch *
-         2 * (1-pow(0.5,v))))/2;
-  }
-  else
-    {
-    if (ndwl == ndbl) {
-      ht_temp = ((mat_height*ndbl/2) +
-          ((add_bits+ (search_data_in_bits + search_data_out_bits)) * (ndbl/2-1) * g_tp.wire_outside_mat.pitch) +
-          ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * h)
-          )/2;
-      len_temp = (mat_width*ndwl/2 +
-        ((add_bits + (search_data_in_bits + search_data_out_bits)) * (ndwl/2-1) * g_tp.wire_outside_mat.pitch) +
-        ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * v))/2;
-
-    }
-    else if (ndwl > ndbl) {
-      double excess_part = (_log2(ndwl/2) - _log2(ndbl/2));
-      ht_temp = ((mat_height*ndbl/2) +
-          ((add_bits + (search_data_in_bits + search_data_out_bits)) * ((ndbl/2-1) + excess_part) * g_tp.wire_outside_mat.pitch) +
-          (data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch *
-          (2*(1 - pow(0.5, h-v)) + pow(0.5, v-h) * v))/2;
-      len_temp = (mat_width*ndwl/2 +
-        ((add_bits + (search_data_in_bits + search_data_out_bits))* (ndwl/2-1) * g_tp.wire_outside_mat.pitch) +
-        ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * v))/2;
-    }
-    else {
-      double excess_part = (_log2(ndbl/2) - _log2(ndwl/2));
-      ht_temp = ((mat_height*ndbl/2) +
-          ((add_bits + (search_data_in_bits + search_data_out_bits))* ((ndwl/2-1) + excess_part) * g_tp.wire_outside_mat.pitch) +
-          ((data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * h)
-          )/2;
-      len_temp = (mat_width*ndwl/2 +
-          ((add_bits + (search_data_in_bits + search_data_out_bits))* ((ndwl/2-1) + excess_part) * g_tp.wire_outside_mat.pitch) +
-          (data_in_bits + data_out_bits) * g_tp.wire_outside_mat.pitch * (h + 2*(1-pow(0.5, v-h))))/2;
-    }
-  }
-  area.h = ht_temp * 2;
-  area.w = len_temp * 2;
-  delay = 0;
-  power.readOp.dynamic = 0;
-  power.readOp.leakage = 0;
-  power.readOp.gate_leakage = 0;
-  //cout<<"power.readOp.gate_leakage"<<power.readOp.gate_leakage<<endl;
-  len = len_temp;
-  ht = ht_temp/2;
-
-  while (v > 0 || h > 0)
-  { //finds delay/power of each link in the tree
-    if (wtemp1) delete wtemp1;
-    if (wtemp2) delete wtemp2;
-    if (wtemp3) delete wtemp3;
-
-    if(h > v) {
-      //the iteration considers only one horizontal link
-      wtemp1 = new Wire(wt, len); // hor
-      wtemp2 = new Wire(wt, len/2);  // ver
-      len_temp = len;
-      len /= 2;
-      wtemp3 = 0;
-      h--;
-      option = 0;
-    }
-    else if (v>0 && h>0) {
-      //considers one horizontal link and one vertical link
-      wtemp1 = new Wire(wt, len); // hor
-      wtemp2 = new Wire(wt, ht);  // ver
-      wtemp3 = new Wire(wt, len/2);  // next hor
-      len_temp = len;
-      ht_temp = ht;
-      len /= 2;
-      ht /= 2;
-      v--;
-      h--;
-      option = 1;
-    }
-    else {
-      // considers only one vertical link
-      assert(h == 0);
-      wtemp1 = new Wire(wt, ht); // hor
-      wtemp2 = new Wire(wt, ht/2);  // ver
-      ht_temp = ht;
-      ht /= 2;
-      wtemp3 = 0;
-      v--;
-      option = 2;
-    }
-    delay += wtemp1->delay;
-    power.readOp.dynamic += wtemp1->power.readOp.dynamic;
-    power.searchOp.dynamic += wtemp1->power.readOp.dynamic*init_wire_bw;
-    power.readOp.leakage += wtemp1->power.readOp.leakage*wire_bw;
-    power.readOp.gate_leakage += wtemp1->power.readOp.gate_leakage*wire_bw;
-    //cout<<"power.readOp.gate_leakage"<<power.readOp.gate_leakage<<endl;
-    if ((uca_tree == false && option == 2) || search_tree==true)
-    {
-      wire_bw*=2;
-    }
-
-    if (uca_tree == false)
-    {
-      if (len_temp > wtemp1->repeater_spacing)
-      {
-        s1 = wtemp1->repeater_size;
-        l_eff = wtemp1->repeater_spacing;
-      }
-      else
-      {
-        s1 = (len_temp/wtemp1->repeater_spacing) * wtemp1->repeater_size;
-        l_eff = len_temp;
-      }
-      if (ht_temp > wtemp2->repeater_spacing)
-      {
-        s2 = wtemp2->repeater_size;
-      }
-      else
-      {
-        s2 = (len_temp/wtemp2->repeater_spacing) * wtemp2->repeater_size;
-      }
-      // first level
-      output_buffer(s1, s2, l_eff);
-    }
-
-
-    if (option != 1)
-    {
-      continue;
-    }
-
-    // second level
-    delay += wtemp2->delay;
-    power.readOp.dynamic += wtemp2->power.readOp.dynamic;
-    power.searchOp.dynamic += wtemp2->power.readOp.dynamic*init_wire_bw;
-    power.readOp.leakage += wtemp2->power.readOp.leakage*wire_bw;
-    power.readOp.gate_leakage += wtemp2->power.readOp.gate_leakage*wire_bw;
-    //cout<<"power.readOp.gate_leakage"<<power.readOp.gate_leakage<<endl;
-    if (uca_tree)
-    {
-      power.readOp.leakage += (wtemp2->power.readOp.leakage*wire_bw);
-      power.readOp.gate_leakage += wtemp2->power.readOp.gate_leakage*wire_bw;
-    }
-    else
-    {
-      power.readOp.leakage += (wtemp2->power.readOp.leakage*wire_bw);
-      power.readOp.gate_leakage += wtemp2->power.readOp.gate_leakage*wire_bw;
-      wire_bw*=2;
-
-      if (ht_temp > wtemp3->repeater_spacing)
-      {
-        s3 = wtemp3->repeater_size;
-        l_eff = wtemp3->repeater_spacing;
-      }
-      else
-      {
-        s3 = (len_temp/wtemp3->repeater_spacing) * wtemp3->repeater_size;
-        l_eff = ht_temp;
-      }
-
-      output_buffer(s2, s3, l_eff);
-    }
-    //cout<<"power.readOp.leakage"<<power.readOp.leakage<<endl;
-    //cout<<"power.readOp.gate_leakage"<<power.readOp.gate_leakage<<endl;
-    //cout<<"wtemp2->power.readOp.gate_leakage"<<wtemp2->power.readOp.gate_leakage<<endl;
-  }
-
-  if (wtemp1) delete wtemp1;
-  if (wtemp2) delete wtemp2;
-  if (wtemp3) delete wtemp3;
-}
-