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-rw-r--r--src/mem/ruby/network/orion/OrionLink.cc98
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diff --git a/src/mem/ruby/network/orion/OrionLink.cc b/src/mem/ruby/network/orion/OrionLink.cc
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-/*
- * 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;
-}