summaryrefslogtreecommitdiff
path: root/src/mem/ruby/network/orion/Crossbar/MultreeCrossbar.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem/ruby/network/orion/Crossbar/MultreeCrossbar.cc')
-rw-r--r--src/mem/ruby/network/orion/Crossbar/MultreeCrossbar.cc162
1 files changed, 0 insertions, 162 deletions
diff --git a/src/mem/ruby/network/orion/Crossbar/MultreeCrossbar.cc b/src/mem/ruby/network/orion/Crossbar/MultreeCrossbar.cc
deleted file mode 100644
index 00a3f090f..000000000
--- a/src/mem/ruby/network/orion/Crossbar/MultreeCrossbar.cc
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (c) 2009 Princeton University
- * Copyright (c) 2009 The Regents of the University of California
- * 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.
- *
- * Authors: Hangsheng Wang (Orion 1.0, Princeton)
- * Xinping Zhu (Orion 1.0, Princeton)
- * Xuning Chen (Orion 1.0, Princeton)
- * Bin Li (Orion 2.0, Princeton)
- * Kambiz Samadi (Orion 2.0, UC San Diego)
- */
-
-#include <cmath>
-#include <iostream>
-
-#include "mem/ruby/network/orion/Crossbar/MultreeCrossbar.hh"
-#include "mem/ruby/network/orion/TechParameter.hh"
-
-using namespace std;
-
-MultreeCrossbar::MultreeCrossbar(
- const string& conn_type_str_,
- const string& trans_type_str_,
- uint32_t num_in_,
- uint32_t num_out_,
- uint32_t data_width_,
- uint32_t degree_,
- const TechParameter *tech_param_ptr_
- ) : Crossbar(
- MULTREE_CROSSBAR, conn_type_str_, trans_type_str_,
- num_in_, num_out_, data_width_, 0, 0, degree_, tech_param_ptr_)
-{
- m_len_req_wire = 0;
- init();
-}
-
-MultreeCrossbar::~MultreeCrossbar()
-{}
-
-double MultreeCrossbar::get_dynamic_energy(bool is_max_) const
-{
- double e_atomic;
- double e_access = 0;
-
- e_atomic = m_e_chg_in*m_data_width*(is_max_? 1:0.5);
- e_access += e_atomic;
-
- e_atomic = m_e_chg_out*m_data_width*(is_max_? 1:0.5);
- e_access += e_atomic;
-
- e_atomic = m_e_chg_ctr;
- e_access += e_atomic;
-
- if (m_depth > 1)
- {
- e_atomic = m_e_chg_int*m_data_width*(m_depth-1)*(is_max_? 1:0.5);
- e_access += e_atomic;
- }
-
- return e_access;
-}
-
-void MultreeCrossbar::init()
-{
- double CrsbarCellWidth = m_tech_param_ptr->get_CrsbarCellWidth();
- double CCmetal = m_tech_param_ptr->get_CCmetal();
- double Lamda = m_tech_param_ptr->get_Lamda();
- double CC3metal = m_tech_param_ptr->get_CC3metal();
-
- double len_in_wire;
- // input wire horizontal segment length
- len_in_wire = m_num_in*m_data_width*CrsbarCellWidth*(m_num_out/2);
- m_cap_in_wire = len_in_wire*CCmetal;
- // input wire vertical segment length
- len_in_wire = m_num_in*m_data_width*(5*Lamda)*(m_num_out/2);
- m_cap_in_wire += len_in_wire*CC3metal;
- m_cap_out_wire = 0;
-
- double Cmetal = m_tech_param_ptr->get_Cmetal();
- double len_ctr_wire = m_num_in*m_data_width*CrsbarCellWidth*(m_num_out/2)/2;
- m_cap_ctr_wire = Cmetal*len_ctr_wire;
-
- double e_factor = m_tech_param_ptr->get_EnergyFactor();
- m_e_chg_in = calc_in_cap()*e_factor;
- m_e_chg_out = calc_out_cap(m_degree)*e_factor;
- m_e_chg_int = calc_int_cap()*e_factor;
-
- m_depth = (uint32_t)ceil(log((double)m_num_in)/log((double)m_degree));
-
- // control signal should reset after transmission is done
- if (m_depth == 1)
- {
- // only one level of control sigal
- m_e_chg_ctr = calc_ctr_cap(m_cap_ctr_wire, 0, 0)*e_factor;
- }
- else
- {
- // first level and last level control signals
- m_e_chg_ctr = calc_ctr_cap(m_cap_ctr_wire, 0, 1)*e_factor + calc_ctr_cap(0, 1, 0)*e_factor;
- // intermediate control signals
- if (m_depth > 2)
- {
- m_e_chg_ctr += (m_depth-2)*calc_ctr_cap(0, 1, 1)*e_factor;
- }
- }
-
- m_i_static = calc_i_static();
-}
-
-double MultreeCrossbar::calc_i_static()
-{
- double Wdecinvn = m_tech_param_ptr->get_Wdecinvn();
- double Wdecinvp = m_tech_param_ptr->get_Wdecinvp();
- double Woutdrivern = m_tech_param_ptr->get_Woutdrivern();
- double Woutdriverp = m_tech_param_ptr->get_Woutdriverp();
- double WdecNORn = m_tech_param_ptr->get_WdecNORn();
- double WdecNORp = m_tech_param_ptr->get_WdecNORp();
- double NOR2_TAB_0 = m_tech_param_ptr->get_NOR2_TAB(0);
- double NOR2_TAB_1 = m_tech_param_ptr->get_NOR2_TAB(1);
- double NOR2_TAB_2 = m_tech_param_ptr->get_NOR2_TAB(2);
- double NOR2_TAB_3 = m_tech_param_ptr->get_NOR2_TAB(3);
- double NMOS_TAB_0 = m_tech_param_ptr->get_NMOS_TAB(0);
- double PMOS_TAB_0 = m_tech_param_ptr->get_PMOS_TAB(0);
-
- double i_static = 0;
-
- // input driver
- i_static += (Wdecinvn*NMOS_TAB_0+Wdecinvp*PMOS_TAB_0)*m_num_in*m_data_width;
-
- // output driver
- i_static += (Woutdrivern*NMOS_TAB_0+Woutdriverp*PMOS_TAB_0)*m_num_out*m_data_width;
-
- // mux
- i_static += (WdecNORp*NOR2_TAB_0+WdecNORn*(NOR2_TAB_1+NOR2_TAB_2+NOR2_TAB_3))/4*(2*m_num_in-1)*m_num_out*m_data_width;
-
- // control signal inverter
- i_static += (Wdecinvn*NMOS_TAB_0+Wdecinvp*PMOS_TAB_0)*m_num_in*m_num_out;
- return i_static;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 23:22:08 +0000