diff options
Diffstat (limited to 'src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc')
| -rw-r--r-- | src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc b/src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc deleted file mode 100644 index 76d257e57..000000000 --- a/src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc +++ /dev/null @@ -1,137 +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 "base/misc.hh" -#include "mem/ruby/network/orion/Buffer/PrechargeUnit.hh" -#include "mem/ruby/network/orion/Buffer/SRAM.hh" -#include "mem/ruby/network/orion/TechParameter.hh" - -PrechargeUnit::PrechargeUnit( - const string& pre_model_str_, - double pre_load_, - const SRAM* sram_ptr_, - const TechParameter* tech_param_ptr_ - ) -{ - if (pre_model_str_ == "SINGLE_BITLINE") - { - m_pre_model = SINGLE_BITLINE; - } - else if (pre_model_str_ == "EQU_BITLINE") - { - m_pre_model = EQU_BITLINE; - } - else if (pre_model_str_ == "SINGLE_OTHER") - { - m_pre_model = SINGLE_OTHER; - } - else - { - m_pre_model = NO_MODEL; - } - - if (m_pre_model != NO_MODEL) - { - m_pre_load = pre_load_; - m_sram_ptr = sram_ptr_; - m_tech_param_ptr = tech_param_ptr_; - - init(); - } -} - -PrechargeUnit::~PrechargeUnit() -{ -} - -void PrechargeUnit::init() -{ - double period = m_tech_param_ptr->get_period(); - m_pre_size = m_tech_param_ptr->calc_driver_psize(m_pre_load, period/8.0); - //FIXME - shouldn't be added - double Wdecinvn = m_tech_param_ptr->get_Wdecinvn(); - double Wdecinvp = m_tech_param_ptr->get_Wdecinvp(); - m_pre_size += m_pre_size*Wdecinvn/Wdecinvp; - - uint32_t num_gate = calc_num_pre_gate(); - - // WHS: 10 should go to PARM - double e_factor = m_tech_param_ptr->get_EnergyFactor(); - m_e_charge_gate = calc_pre_cap(m_pre_size, 10) * num_gate * e_factor; - - uint32_t num_data_end = m_sram_ptr->get_num_data_end(); - if (num_data_end == 2) - { - e_factor = m_tech_param_ptr->get_SenseEnergyFactor(); - } - else - { - e_factor = m_tech_param_ptr->get_EnergyFactor(); - } - uint32_t num_drain = calc_num_pre_drain(); - m_e_charge_drain = m_tech_param_ptr->calc_draincap(m_pre_size, TechParameter::PCH, 1)*num_drain*e_factor; - - // static power - double PMOS_TAB_0 = m_tech_param_ptr->get_PMOS_TAB(0); - m_i_static = num_gate*m_pre_size*PMOS_TAB_0; -} - -uint32_t PrechargeUnit::calc_num_pre_gate() -{ - switch(m_pre_model) - { - case SINGLE_BITLINE: return 2; - case EQU_BITLINE: return 3; - case SINGLE_OTHER: return 1; - default: fatal("Incorrect Precharge Unit model.\n"); - } -} - -uint32_t PrechargeUnit::calc_num_pre_drain() -{ - switch(m_pre_model) - { - case SINGLE_BITLINE: return 1; - case EQU_BITLINE: return 2; - case SINGLE_OTHER: return 1; - default: fatal("Incorrect Precharge Unit model.\n"); - } -} - -double PrechargeUnit::calc_pre_cap(double width_, double length_) -{ - return m_tech_param_ptr->calc_gatecap(width_, length_); -} - |