496 lines
14 KiB
C++
496 lines
14 KiB
C++
/*
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* Copyright (c) 2009 Princeton University, and
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* Regents of the University of California
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Hangsheng Wang (Orion 1.0, Princeton)
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* Xinping Zhu (Orion 1.0, Princeton)
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* Xuning Chen (Orion 1.0, Princeton)
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* Bin Li (Orion 2.0, Princeton)
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* Kambiz Samadi (Orion 2.0, UC San Diego)
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*/
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#include <cassert>
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#include "mem/ruby/network/orion/Allocator/SWAllocator.hh"
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#include "mem/ruby/network/orion/Allocator/VCAllocator.hh"
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#include "mem/ruby/network/orion/Buffer/Buffer.hh"
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#include "mem/ruby/network/orion/Crossbar/Crossbar.hh"
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#include "mem/ruby/network/orion/Clock.hh"
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#include "mem/ruby/network/orion/OrionConfig.hh"
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#include "OrionRouter.hh"
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OrionRouter::OrionRouter(
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uint32_t num_in_port_,
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uint32_t num_out_port_,
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uint32_t num_vclass_,
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std::vector<uint32_t > vclass_type_ary_,
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uint32_t num_vc_per_vclass_,
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uint32_t in_buf_per_data_vc_,
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uint32_t in_buf_per_ctrl_vc_,
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uint32_t flit_width_,
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OrionConfig* orion_cfg_ptr_
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)
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{
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assert((num_in_port_ == num_in_port_) && (num_in_port_ != 0));
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assert((num_out_port_ == num_out_port_) && (num_out_port_ != 0));
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assert((num_vclass_ == num_vclass_) && (num_vclass_ != 0));
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assert((num_vc_per_vclass_ == num_vc_per_vclass_) && (num_vc_per_vclass_ != 0));
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assert(in_buf_per_data_vc_ != 0);
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assert(in_buf_per_ctrl_vc_ != 0);
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assert((flit_width_ == flit_width_) && (flit_width_ != 0));
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orion_cfg_ptr_->set_num_in_port(num_in_port_);
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orion_cfg_ptr_->set_num_out_port(num_out_port_);
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orion_cfg_ptr_->set_num_vclass(num_vclass_);
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orion_cfg_ptr_->set_flit_width(flit_width_);
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m_orion_cfg_ptr = orion_cfg_ptr_;
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m_num_in_port = m_orion_cfg_ptr->get<uint32_t>("NUM_INPUT_PORT");
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m_num_out_port = m_orion_cfg_ptr->get<uint32_t>("NUM_OUTPUT_PORT");
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m_flit_width = m_orion_cfg_ptr->get<uint32_t>("FLIT_WIDTH");
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m_num_vclass = m_orion_cfg_ptr->get<uint32_t>("NUM_VIRTUAL_CLASS");
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m_num_vc_per_vclass_ary = new uint32_t [m_num_vclass];
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m_in_buf_num_set_ary = new uint32_t [m_num_vclass];
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for (int i = 0; i < m_num_vclass; i++)
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{
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// can also suppport different vcs per vclass
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m_num_vc_per_vclass_ary[i] = num_vc_per_vclass_;
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if (vclass_type_ary_[i] == 0) // ctrl
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m_in_buf_num_set_ary[i] = in_buf_per_ctrl_vc_;
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else if (vclass_type_ary_[i] == 1) // data
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m_in_buf_num_set_ary[i] = in_buf_per_data_vc_;
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else
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assert(0);
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}
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init();
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}
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OrionRouter::~OrionRouter()
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{
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delete[] m_num_vc_per_vclass_ary;
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delete[] m_in_buf_num_set_ary;
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if (m_in_buf_ary_ptr)
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{
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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delete m_in_buf_ary_ptr[i];
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}
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delete[] m_in_buf_ary_ptr;
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}
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if (m_va_ary_ptr)
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{
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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delete m_va_ary_ptr[i];
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}
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delete[] m_va_ary_ptr;
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}
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delete m_xbar_ptr;
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delete m_sa_ptr;
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delete m_clk_ptr;
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}
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double OrionRouter::calc_dynamic_energy_buf(uint32_t vclass_id_, bool is_read_, bool is_max_) const
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{
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assert(vclass_id_ < m_num_vclass);
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if (m_in_buf_ary_ptr)
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{
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if (m_in_buf_ary_ptr[vclass_id_])
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{
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return m_in_buf_ary_ptr[vclass_id_]->get_dynamic_energy(is_read_, is_max_);
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}
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else
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{
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return 0;
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}
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::calc_dynamic_energy_xbar(bool is_max_) const
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{
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if (m_xbar_ptr)
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{
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return m_xbar_ptr->get_dynamic_energy(is_max_);
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::calc_dynamic_energy_local_vc_arb(uint32_t vclass_id_, double num_req_, bool is_max_) const
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{
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assert(vclass_id_ < m_num_vclass);
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if (m_va_ary_ptr)
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{
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if (m_va_ary_ptr[vclass_id_])
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{
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return m_va_ary_ptr[vclass_id_]->get_dynamic_energy_local_vc_arb(num_req_, is_max_);
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}
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else
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{
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return 0;
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}
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::calc_dynamic_energy_global_vc_arb(uint32_t vclass_id_, double num_req_, bool is_max_) const
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{
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assert(vclass_id_ < m_num_vclass);
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if (m_va_ary_ptr)
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{
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if (m_va_ary_ptr[vclass_id_])
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{
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return m_va_ary_ptr[vclass_id_]->get_dynamic_energy_global_vc_arb(num_req_, is_max_);
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}
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else
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{
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return 0;
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}
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}
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else
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{
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return 0;
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}
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}
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//double OrionRouter::calc_dynamic_energy_vc_select(bool is_read_, bool is_max_) const
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//{
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// if (m_vc_select_ptr)
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// {
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// return m_vc_select_ptr->get_dynamic_energy_vc_select(is_read_, is_max_);
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// }
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// else
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// {
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// return 0;
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// }
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//}
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double OrionRouter::calc_dynamic_energy_local_sw_arb(double num_req_, bool is_max_) const
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{
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if (m_sa_ptr)
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{
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return m_sa_ptr->get_dynamic_energy_local_sw_arb(num_req_, is_max_);
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::calc_dynamic_energy_global_sw_arb(double num_req_, bool is_max_) const
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{
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if (m_sa_ptr)
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{
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return m_sa_ptr->get_dynamic_energy_global_sw_arb(num_req_, is_max_);
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::calc_dynamic_energy_clock() const
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{
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if (m_clk_ptr)
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{
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return m_clk_ptr->get_dynamic_energy();
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::get_static_power_buf() const
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{
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if (m_in_buf_ary_ptr)
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{
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double total_static_power = 0;
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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uint32_t num_in_buf;
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if (m_is_in_shared_buf)
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{
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num_in_buf = m_num_in_port;
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}
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else
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{
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num_in_buf = m_num_vc_per_vclass_ary[i]*m_num_in_port;
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}
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total_static_power += m_in_buf_ary_ptr[i]->get_static_power()*(double)num_in_buf;
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}
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return total_static_power;
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::get_static_power_xbar() const
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{
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if (m_xbar_ptr)
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{
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return m_xbar_ptr->get_static_power();
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::get_static_power_va() const
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{
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if (m_va_ary_ptr)
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{
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double total_static_power = 0;
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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total_static_power += m_va_ary_ptr[i]->get_static_power();
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}
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return total_static_power;
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}
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else
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{
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return 0;
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}
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}
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//double OrionRouter::get_static_power_vc_select() const
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//{
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// if (m_vc_select_ptr)
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// {
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// return m_vc_select_ptr->get_static_power();
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// }
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// else
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// {
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// return 0;
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// }
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//}
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double OrionRouter::get_static_power_sa() const
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{
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if (m_sa_ptr)
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{
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return m_sa_ptr->get_static_power();
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}
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else
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{
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return 0;
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}
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}
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double OrionRouter::get_static_power_clock() const
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{
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if (m_clk_ptr)
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{
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return m_clk_ptr->get_static_power();
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}
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else
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{
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return 0;
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}
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}
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void OrionRouter::init()
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{
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m_total_num_vc = 0;
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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m_total_num_vc += m_num_vc_per_vclass_ary[i];
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}
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if (m_total_num_vc > 1)
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{
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m_is_in_shared_buf = m_orion_cfg_ptr->get<bool>("IS_IN_SHARED_BUFFER");
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m_is_out_shared_buf = m_orion_cfg_ptr->get<bool>("IS_OUT_SHARED_BUFFER");
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m_is_in_shared_switch = m_orion_cfg_ptr->get<bool>("IS_IN_SHARED_SWITCH");
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m_is_out_shared_switch = m_orion_cfg_ptr->get<bool>("IS_OUT_SHARED_SWITCH");
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}
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else
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{
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m_is_in_shared_buf = false;
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m_is_out_shared_buf = false;
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m_is_in_shared_switch = false;
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m_is_out_shared_switch = false;
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}
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//input buffer
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bool is_in_buf = m_orion_cfg_ptr->get<bool>("IS_INPUT_BUFFER");
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if (is_in_buf)
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{
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bool is_fifo = true;
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bool is_outdrv = (!m_is_in_shared_buf) && (m_is_in_shared_switch);
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const string& in_buf_model_str = m_orion_cfg_ptr->get<string>("IN_BUF_MODEL");
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m_in_buf_ary_ptr = new Buffer* [m_num_vclass];
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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uint32_t in_buf_num_read_port = m_orion_cfg_ptr->get<uint32_t>("IN_BUF_NUM_READ_PORT");
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uint32_t in_buf_num_set = m_in_buf_num_set_ary[i];
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m_in_buf_ary_ptr[i] = new Buffer(in_buf_model_str, is_fifo, is_outdrv,
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in_buf_num_set, m_flit_width, in_buf_num_read_port, 1, m_orion_cfg_ptr);
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}
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}
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else
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{
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m_in_buf_ary_ptr = NULL;
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}
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bool is_out_buf = m_orion_cfg_ptr->get<bool>("IS_OUTPUT_BUFFER");
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//crossbar
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uint32_t num_switch_in;
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if (is_in_buf)
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{
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if (m_is_in_shared_buf)
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{
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uint32_t in_buf_num_read_port = m_orion_cfg_ptr->get<uint32_t>("IN_BUF_NUM_READ_PORT");
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num_switch_in = in_buf_num_read_port*m_num_in_port;
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}
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else if (m_is_in_shared_switch)
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{
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num_switch_in = 1*m_num_in_port;
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}
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else
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{
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num_switch_in = m_total_num_vc*m_num_in_port;
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}
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}
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else
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{
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num_switch_in = 1*m_num_in_port;
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}
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uint32_t num_switch_out;
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if (is_out_buf)
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{
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if (m_is_out_shared_buf)
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{
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uint32_t out_buf_num_write_port = m_orion_cfg_ptr->get<uint32_t>("OUT_BUF_NUM_WRITE_PORT");
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num_switch_out = out_buf_num_write_port*m_num_out_port;
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}
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else if (m_is_out_shared_switch)
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{
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num_switch_out = 1*m_num_out_port;
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}
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else
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{
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num_switch_out = m_total_num_vc*m_num_out_port;
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}
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}
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else
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{
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num_switch_out = 1*m_num_out_port;
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}
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const string& xbar_model_str = m_orion_cfg_ptr->get<string>("CROSSBAR_MODEL");
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m_xbar_ptr = Crossbar::create_crossbar(xbar_model_str,
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num_switch_in, num_switch_out, m_flit_width, m_orion_cfg_ptr);
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//vc allocator
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const string& va_model_str = m_orion_cfg_ptr->get<string>("VA_MODEL");
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m_va_ary_ptr = new VCAllocator* [m_num_vclass];
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//m_vc_select_ary_ptr = new VCAllocator* [m_num_vclass];
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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m_va_ary_ptr[i] = VCAllocator::create_vcallocator(va_model_str,
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m_num_in_port, m_num_out_port, 1, m_num_vc_per_vclass_ary[i],
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m_orion_cfg_ptr);
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//m_vc_select_ary_ptr[i] = VCAllocator::create_vcallocator("VC_SELECT",
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// m_num_in_port, m_num_out_port, 1, m_num_vc_per_vclass_ary[i], m_orion_cfg_ptr);
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}
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//sw allocator
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m_sa_ptr = SWAllocator::create_swallocator(
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m_num_in_port, m_num_out_port, 1, m_total_num_vc,
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m_xbar_ptr, m_orion_cfg_ptr);
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//cloc
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m_clk_ptr = new Clock(is_in_buf, m_is_in_shared_switch, is_out_buf, m_is_out_shared_switch, m_orion_cfg_ptr);
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return;
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}
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void OrionRouter::print() const
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{
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if (m_in_buf_ary_ptr)
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{
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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cout << "VClass " << i << endl;
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if (m_in_buf_ary_ptr[i]) m_in_buf_ary_ptr[i]->print_all();
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}
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}
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m_xbar_ptr->print_all();
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for (uint32_t i = 0; i < m_num_vclass; i++)
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{
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cout << "VClass " << i << endl;
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m_va_ary_ptr[i]->print_all();
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//m_vc_select_ary_ptr[i]->print_all();
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}
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m_sa_ptr->print_all();
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//cout << "Router - Dynamic Energy" << endl;
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//cout << "\t" << "Buffer Read = " << calc_dynamic_energy_buf(true) << endl;
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//cout << "\t" << "Buffer Write = " << calc_dynamic_energy_buf(false) << endl;
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//cout << "\t" << "Crossbar = " << calc_dynamic_energy_xbar() << endl;
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//cout << "\t" << "Local VC Allocator(1) = " << calc_dynamic_energy_local_vc_arb(1) << endl;
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//cout << "\t" << "Global VC Allocator(1) = " << calc_dynamic_energy_global_vc_arb(1) << endl;
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//cout << "\t" << "VC Select Read = " << calc_dynamic_energy_vc_select(true) << endl;
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//cout << "\t" << "VC Select Write = " << calc_dynamic_energy_vc_select(false) << endl;
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//cout << "\t" << "Local SW Allocator(2) = " << calc_dynamic_energy_local_sw_arb(1) << endl;
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//cout << "\t" << "Global SW Allocator(2) = " << calc_dynamic_energy_global_sw_arb(1) << endl;
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//cout << "\t" << "Clock = " << calc_dynamic_energy_clock() << endl;
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//cout << endl;
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//cout << "Router - Static Power" << endl;
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//cout << "\t" << "Buffer = " << get_static_power_buf() << endl;
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//cout << "\t" << "Crossbar = " << get_static_power_xbar() << endl;
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//cout << "\t" << "VC Allocator = " << get_static_power_va() << endl;
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//cout << "\t" << "SW Allocator = " << get_static_power_sa() << endl;
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//cout << "\t" << "Clock = " << get_static_power_clock() << endl;
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//cout << endl;
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return;
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}
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