99 lines
3.5 KiB
C++
99 lines
3.5 KiB
C++
/*
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* Copyright (c) 2009 Princeton University
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* Copyright (c) 2009 The Regents of the University of California
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Hangsheng Wang (Orion 1.0, Princeton)
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* Xinping Zhu (Orion 1.0, Princeton)
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* Xuning Chen (Orion 1.0, Princeton)
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* Bin Li (Orion 2.0, Princeton)
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* Kambiz Samadi (Orion 2.0, UC San Diego)
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*/
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#include <cassert>
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#include <iostream>
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#include "mem/ruby/network/orion/OrionConfig.hh"
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#include "mem/ruby/network/orion/OrionLink.hh"
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#include "mem/ruby/network/orion/Wire.hh"
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using namespace std;
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OrionLink::OrionLink(
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double len_,
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uint32_t line_width_,
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const OrionConfig* orion_cfg_ptr_
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)
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{
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assert(len_ == len_);
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assert(line_width_ == line_width_);
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m_len = len_;
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m_line_width = line_width_;
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m_orion_cfg_ptr = orion_cfg_ptr_;
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init();
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}
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OrionLink::~OrionLink()
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{}
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double OrionLink::calc_dynamic_energy(uint32_t num_bit_flip_) const
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{
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assert(num_bit_flip_ <= m_line_width);
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return (num_bit_flip_*(m_dynamic_energy_per_bit/2));
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}
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double OrionLink::get_static_power() const
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{
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return (m_line_width*m_static_power_per_bit);
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}
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void OrionLink::init()
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{
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const TechParameter* tech_param_ptr = m_orion_cfg_ptr->get_tech_param_ptr();
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const string& width_spacing_model_str = m_orion_cfg_ptr->get<string>("WIRE_WIDTH_SPACING");
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const string& buf_scheme_str = m_orion_cfg_ptr->get<string>("WIRE_BUFFERING_MODEL");
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bool is_shielding = m_orion_cfg_ptr->get<bool>("WIRE_IS_SHIELDING");
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Wire wire(width_spacing_model_str, buf_scheme_str, is_shielding, tech_param_ptr);
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m_dynamic_energy_per_bit = wire.calc_dynamic_energy(m_len);
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m_static_power_per_bit = wire.calc_static_power(m_len);
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return;
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}
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void OrionLink::print() const
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{
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cout << "Link - Dynamic Energy" << endl;
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cout << "\t" << "One Bit = " << calc_dynamic_energy(1) << endl;
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cout << endl;
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cout << "Link - Static Power" << endl;
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cout << "\t" << "One Bit = " << get_static_power() << endl;
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cout << endl;
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return;
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}
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