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authorTayler Hetherington <[email protected]>2012-12-13 10:30:09 -0800
committerAndrew Boktor <[email protected]>2014-08-14 13:49:23 -0700
commita4a321028023cb9d65d533adaa3b6c2c3b49eee2 (patch)
tree97ff957185a372dd94fbe4a51cf149dc1ea4ac9b /src/mcpat/cacti/htree2.cc
parentdf3051de64e514a7d07f7b7ff0b6c9f95ee2f9ee (diff)
Renaming src/mcpat -> src/gpuwattch
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 14798]
Diffstat (limited to 'src/mcpat/cacti/htree2.cc')
-rw-r--r--src/mcpat/cacti/htree2.cc640
1 files changed, 0 insertions, 640 deletions
diff --git a/src/mcpat/cacti/htree2.cc b/src/mcpat/cacti/htree2.cc
deleted file mode 100644
index c40a880..0000000
--- a/src/mcpat/cacti/htree2.cc
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@@ -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;
-}
-