| /* |
| * 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 <cassert> |
| #include <iostream> |
| |
| #include "mem/ruby/network/orion/OrionConfig.hh" |
| #include "mem/ruby/network/orion/OrionLink.hh" |
| #include "mem/ruby/network/orion/Wire.hh" |
| |
| using namespace std; |
| |
| OrionLink::OrionLink( |
| double len_, |
| uint32_t line_width_, |
| const OrionConfig* orion_cfg_ptr_ |
| ) |
| { |
| assert(len_ == len_); |
| assert(line_width_ == line_width_); |
| |
| m_len = len_; |
| m_line_width = line_width_; |
| m_orion_cfg_ptr = orion_cfg_ptr_; |
| |
| init(); |
| } |
| |
| OrionLink::~OrionLink() |
| {} |
| |
| double OrionLink::calc_dynamic_energy(uint32_t num_bit_flip_) const |
| { |
| assert(num_bit_flip_ <= m_line_width); |
| return (num_bit_flip_*(m_dynamic_energy_per_bit/2)); |
| } |
| |
| double OrionLink::get_static_power() const |
| { |
| return (m_line_width*m_static_power_per_bit); |
| } |
| |
| void OrionLink::init() |
| { |
| const TechParameter* tech_param_ptr = m_orion_cfg_ptr->get_tech_param_ptr(); |
| |
| const string& width_spacing_model_str = m_orion_cfg_ptr->get<string>("WIRE_WIDTH_SPACING"); |
| const string& buf_scheme_str = m_orion_cfg_ptr->get<string>("WIRE_BUFFERING_MODEL"); |
| bool is_shielding = m_orion_cfg_ptr->get<bool>("WIRE_IS_SHIELDING"); |
| Wire wire(width_spacing_model_str, buf_scheme_str, is_shielding, tech_param_ptr); |
| |
| m_dynamic_energy_per_bit = wire.calc_dynamic_energy(m_len); |
| m_static_power_per_bit = wire.calc_static_power(m_len); |
| return; |
| } |
| |
| void OrionLink::print() const |
| { |
| cout << "Link - Dynamic Energy" << endl; |
| cout << "\t" << "One Bit = " << calc_dynamic_energy(1) << endl; |
| cout << endl; |
| cout << "Link - Static Power" << endl; |
| cout << "\t" << "One Bit = " << get_static_power() << endl; |
| cout << endl; |
| return; |
| } |