diff options
Diffstat (limited to 'src/mem/ruby/network/orion/Allocator/RRArbiter.hh')
-rw-r--r-- | src/mem/ruby/network/orion/Allocator/RRArbiter.hh | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/Allocator/RRArbiter.hh b/src/mem/ruby/network/orion/Allocator/RRArbiter.hh new file mode 100644 index 000000000..24b4d38b8 --- /dev/null +++ b/src/mem/ruby/network/orion/Allocator/RRArbiter.hh @@ -0,0 +1,72 @@ +/* + * 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) + */ + +#ifndef __RRARBITER_H__ +#define __RRARBITER_H__ + +#include "mem/ruby/network/orion/Type.hh" +#include "mem/ruby/network/orion/Allocator/Arbiter.hh" + +class TechParameter; + +class RRArbiter : public Arbiter +{ + public: + RRArbiter( + const string& ff_model_str_, + uint32_t req_width_, + double len_in_wire_, + const TechParameter* tech_param_ptr_ + ); + ~RRArbiter(); + + 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_carry_cap(); + double calc_carry_in_cap(); + double calc_i_static(); + + private: + double m_e_chg_carry; + double m_e_chg_carry_in; +}; + +#endif |