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author | Tushar Krishna <tushar@csail.mit.edu> | 2011-02-06 22:14:17 -0800 |
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committer | Tushar Krishna <tushar@csail.mit.edu> | 2011-02-06 22:14:17 -0800 |
commit | a679e732cee821616c20cc13c22ad2877072ff14 (patch) | |
tree | d3225f0f3bc7f4f79fa3eeb7bf0fb40de19509aa /src/mem/ruby/network/orion/OrionLink.cc | |
parent | 59163f824c71e4290399be7c1c4b6e70b799a388 (diff) | |
download | gem5-a679e732cee821616c20cc13c22ad2877072ff14.tar.xz |
garnet: added orion2.0 for network power calculation
Diffstat (limited to 'src/mem/ruby/network/orion/OrionLink.cc')
-rw-r--r-- | src/mem/ruby/network/orion/OrionLink.cc | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/OrionLink.cc b/src/mem/ruby/network/orion/OrionLink.cc new file mode 100644 index 000000000..38ddd0459 --- /dev/null +++ b/src/mem/ruby/network/orion/OrionLink.cc @@ -0,0 +1,98 @@ +/* + * 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; +} |