gem5/src/mem/ruby/network/orion/Allocator/MatrixArbiter.hh
2011-06-02 14:36:35 -07:00

71 lines
2.5 KiB
C++

/*
* 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)
*/
#ifndef __MATRIXARBITER_H__
#define __MATRIXARBITER_H__
#include "mem/ruby/network/orion/Allocator/Arbiter.hh"
#include "mem/ruby/network/orion/Type.hh"
class TechParameter;
class MatrixArbiter : public Arbiter
{
public:
MatrixArbiter(
const string& ff_model_str_,
uint32_t req_width_,
double len_in_wire_,
const TechParameter* tech_param_ptr_
);
~MatrixArbiter();
public:
double calc_dynamic_energy(double num_req_, bool is_max_) const;
private:
void init(const string& ff_model_str_);
double calc_req_cap();
double calc_pri_cap();
double calc_grant_cap();
double calc_int_cap();
double calc_i_static();
private:
double m_e_chg_int;
};
#endif