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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/Allocator/Arbiter.hh"
#include "mem/ruby/network/orion/Allocator/MatrixArbiter.hh"
#include "mem/ruby/network/orion/Allocator/RRArbiter.hh"
#include "mem/ruby/network/orion/TechParameter.hh"
using namespace std;
Arbiter::Arbiter(const ArbiterModel arb_model_,
const uint32_t req_width_,
const double len_in_wire_,
const TechParameter* tech_param_ptr_)
{
assert(req_width_ == req_width_);
assert(len_in_wire_ == len_in_wire_);
m_arb_model = arb_model_;
m_req_width = req_width_;
m_len_in_wire = len_in_wire_;
m_tech_param_ptr = tech_param_ptr_;
}
Arbiter::~Arbiter()
{}
double
Arbiter::get_static_power() const
{
double vdd = m_tech_param_ptr->get_vdd();
double SCALE_S = m_tech_param_ptr->get_SCALE_S();
return m_i_static*vdd*SCALE_S;
}
Arbiter*
Arbiter::create_arbiter(const string& arb_model_str_,
const string& ff_model_str_,
uint32_t req_width_,
double len_in_wire_,
const TechParameter* tech_param_ptr_)
{
if (arb_model_str_ == string("RR_ARBITER")) {
return new RRArbiter(ff_model_str_, req_width_,
len_in_wire_, tech_param_ptr_);
} else if (arb_model_str_ == string("MATRIX_ARBITER")) {
return new MatrixArbiter(ff_model_str_, req_width_,
len_in_wire_, tech_param_ptr_);
} else {
cerr << "WARNING: No Arbiter model" << endl;
return (Arbiter*)NULL;
}
}
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