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/*
* Copyright (c) 2009 Princeton University, and
* 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 <iostream>
#include <cassert>
#include "mem/ruby/network/orion/OrionLink.hh"
#include "mem/ruby/network/orion/OrionConfig.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;
}
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