| /* |
| * 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) |
| */ |
| |
| #include <cassert> |
| |
| #include "mem/ruby/network/orion/Allocator/SWAllocator.hh" |
| #include "mem/ruby/network/orion/Allocator/VCAllocator.hh" |
| #include "mem/ruby/network/orion/Buffer/Buffer.hh" |
| #include "mem/ruby/network/orion/Crossbar/Crossbar.hh" |
| #include "mem/ruby/network/orion/Clock.hh" |
| #include "mem/ruby/network/orion/OrionConfig.hh" |
| #include "OrionRouter.hh" |
| |
| using namespace std; |
| |
| OrionRouter::OrionRouter( |
| uint32_t num_in_port_, |
| uint32_t num_out_port_, |
| uint32_t num_vclass_, |
| std::vector<uint32_t > vclass_type_ary_, |
| uint32_t num_vc_per_vclass_, |
| uint32_t in_buf_per_data_vc_, |
| uint32_t in_buf_per_ctrl_vc_, |
| uint32_t flit_width_, |
| OrionConfig* orion_cfg_ptr_ |
| ) |
| { |
| assert((num_in_port_ == num_in_port_) && (num_in_port_ != 0)); |
| assert((num_out_port_ == num_out_port_) && (num_out_port_ != 0)); |
| assert((num_vclass_ == num_vclass_) && (num_vclass_ != 0)); |
| assert((num_vc_per_vclass_ == num_vc_per_vclass_) && (num_vc_per_vclass_ != 0)); |
| assert(in_buf_per_data_vc_ != 0); |
| assert(in_buf_per_ctrl_vc_ != 0); |
| assert((flit_width_ == flit_width_) && (flit_width_ != 0)); |
| |
| orion_cfg_ptr_->set_num_in_port(num_in_port_); |
| orion_cfg_ptr_->set_num_out_port(num_out_port_); |
| orion_cfg_ptr_->set_num_vclass(num_vclass_); |
| orion_cfg_ptr_->set_flit_width(flit_width_); |
| m_orion_cfg_ptr = orion_cfg_ptr_; |
| |
| m_num_in_port = m_orion_cfg_ptr->get<uint32_t>("NUM_INPUT_PORT"); |
| m_num_out_port = m_orion_cfg_ptr->get<uint32_t>("NUM_OUTPUT_PORT"); |
| m_flit_width = m_orion_cfg_ptr->get<uint32_t>("FLIT_WIDTH"); |
| m_num_vclass = m_orion_cfg_ptr->get<uint32_t>("NUM_VIRTUAL_CLASS"); |
| |
| m_num_vc_per_vclass_ary = new uint32_t [m_num_vclass]; |
| m_in_buf_num_set_ary = new uint32_t [m_num_vclass]; |
| for (int i = 0; i < m_num_vclass; i++) |
| { |
| // can also suppport different vcs per vclass |
| m_num_vc_per_vclass_ary[i] = num_vc_per_vclass_; |
| |
| if (vclass_type_ary_[i] == 0) // ctrl |
| m_in_buf_num_set_ary[i] = in_buf_per_ctrl_vc_; |
| else if (vclass_type_ary_[i] == 1) // data |
| m_in_buf_num_set_ary[i] = in_buf_per_data_vc_; |
| else |
| assert(0); |
| } |
| |
| init(); |
| } |
| |
| OrionRouter::~OrionRouter() |
| { |
| delete[] m_num_vc_per_vclass_ary; |
| delete[] m_in_buf_num_set_ary; |
| |
| if (m_in_buf_ary_ptr) |
| { |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| delete m_in_buf_ary_ptr[i]; |
| } |
| delete[] m_in_buf_ary_ptr; |
| } |
| |
| if (m_va_ary_ptr) |
| { |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| delete m_va_ary_ptr[i]; |
| } |
| delete[] m_va_ary_ptr; |
| } |
| |
| delete m_xbar_ptr; |
| delete m_sa_ptr; |
| delete m_clk_ptr; |
| } |
| |
| double OrionRouter::calc_dynamic_energy_buf(uint32_t vclass_id_, bool is_read_, bool is_max_) const |
| { |
| assert(vclass_id_ < m_num_vclass); |
| if (m_in_buf_ary_ptr) |
| { |
| if (m_in_buf_ary_ptr[vclass_id_]) |
| { |
| return m_in_buf_ary_ptr[vclass_id_]->get_dynamic_energy(is_read_, is_max_); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::calc_dynamic_energy_xbar(bool is_max_) const |
| { |
| if (m_xbar_ptr) |
| { |
| return m_xbar_ptr->get_dynamic_energy(is_max_); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::calc_dynamic_energy_local_vc_arb(uint32_t vclass_id_, double num_req_, bool is_max_) const |
| { |
| assert(vclass_id_ < m_num_vclass); |
| |
| if (m_va_ary_ptr) |
| { |
| if (m_va_ary_ptr[vclass_id_]) |
| { |
| return m_va_ary_ptr[vclass_id_]->get_dynamic_energy_local_vc_arb(num_req_, is_max_); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::calc_dynamic_energy_global_vc_arb(uint32_t vclass_id_, double num_req_, bool is_max_) const |
| { |
| assert(vclass_id_ < m_num_vclass); |
| |
| if (m_va_ary_ptr) |
| { |
| if (m_va_ary_ptr[vclass_id_]) |
| { |
| return m_va_ary_ptr[vclass_id_]->get_dynamic_energy_global_vc_arb(num_req_, is_max_); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| //double OrionRouter::calc_dynamic_energy_vc_select(bool is_read_, bool is_max_) const |
| //{ |
| // if (m_vc_select_ptr) |
| // { |
| // return m_vc_select_ptr->get_dynamic_energy_vc_select(is_read_, is_max_); |
| // } |
| // else |
| // { |
| // return 0; |
| // } |
| //} |
| |
| double OrionRouter::calc_dynamic_energy_local_sw_arb(double num_req_, bool is_max_) const |
| { |
| if (m_sa_ptr) |
| { |
| return m_sa_ptr->get_dynamic_energy_local_sw_arb(num_req_, is_max_); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::calc_dynamic_energy_global_sw_arb(double num_req_, bool is_max_) const |
| { |
| if (m_sa_ptr) |
| { |
| return m_sa_ptr->get_dynamic_energy_global_sw_arb(num_req_, is_max_); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::calc_dynamic_energy_clock() const |
| { |
| if (m_clk_ptr) |
| { |
| return m_clk_ptr->get_dynamic_energy(); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::get_static_power_buf() const |
| { |
| if (m_in_buf_ary_ptr) |
| { |
| double total_static_power = 0; |
| |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| uint32_t num_in_buf; |
| if (m_is_in_shared_buf) |
| { |
| num_in_buf = m_num_in_port; |
| } |
| else |
| { |
| num_in_buf = m_num_vc_per_vclass_ary[i]*m_num_in_port; |
| } |
| total_static_power += m_in_buf_ary_ptr[i]->get_static_power()*(double)num_in_buf; |
| } |
| return total_static_power; |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::get_static_power_xbar() const |
| { |
| if (m_xbar_ptr) |
| { |
| return m_xbar_ptr->get_static_power(); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::get_static_power_va() const |
| { |
| if (m_va_ary_ptr) |
| { |
| double total_static_power = 0; |
| |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| total_static_power += m_va_ary_ptr[i]->get_static_power(); |
| } |
| return total_static_power; |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| //double OrionRouter::get_static_power_vc_select() const |
| //{ |
| // if (m_vc_select_ptr) |
| // { |
| // return m_vc_select_ptr->get_static_power(); |
| // } |
| // else |
| // { |
| // return 0; |
| // } |
| //} |
| |
| double OrionRouter::get_static_power_sa() const |
| { |
| if (m_sa_ptr) |
| { |
| return m_sa_ptr->get_static_power(); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| double OrionRouter::get_static_power_clock() const |
| { |
| if (m_clk_ptr) |
| { |
| return m_clk_ptr->get_static_power(); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| void OrionRouter::init() |
| { |
| m_total_num_vc = 0; |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| m_total_num_vc += m_num_vc_per_vclass_ary[i]; |
| } |
| |
| if (m_total_num_vc > 1) |
| { |
| m_is_in_shared_buf = m_orion_cfg_ptr->get<bool>("IS_IN_SHARED_BUFFER"); |
| m_is_out_shared_buf = m_orion_cfg_ptr->get<bool>("IS_OUT_SHARED_BUFFER"); |
| m_is_in_shared_switch = m_orion_cfg_ptr->get<bool>("IS_IN_SHARED_SWITCH"); |
| m_is_out_shared_switch = m_orion_cfg_ptr->get<bool>("IS_OUT_SHARED_SWITCH"); |
| } |
| else |
| { |
| m_is_in_shared_buf = false; |
| m_is_out_shared_buf = false; |
| m_is_in_shared_switch = false; |
| m_is_out_shared_switch = false; |
| } |
| |
| //input buffer |
| bool is_in_buf = m_orion_cfg_ptr->get<bool>("IS_INPUT_BUFFER"); |
| if (is_in_buf) |
| { |
| bool is_fifo = true; |
| bool is_outdrv = (!m_is_in_shared_buf) && (m_is_in_shared_switch); |
| const string& in_buf_model_str = m_orion_cfg_ptr->get<string>("IN_BUF_MODEL"); |
| m_in_buf_ary_ptr = new Buffer* [m_num_vclass]; |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| uint32_t in_buf_num_read_port = m_orion_cfg_ptr->get<uint32_t>("IN_BUF_NUM_READ_PORT"); |
| uint32_t in_buf_num_set = m_in_buf_num_set_ary[i]; |
| m_in_buf_ary_ptr[i] = new Buffer(in_buf_model_str, is_fifo, is_outdrv, |
| in_buf_num_set, m_flit_width, in_buf_num_read_port, 1, m_orion_cfg_ptr); |
| } |
| } |
| else |
| { |
| m_in_buf_ary_ptr = NULL; |
| } |
| |
| bool is_out_buf = m_orion_cfg_ptr->get<bool>("IS_OUTPUT_BUFFER"); |
| |
| //crossbar |
| uint32_t num_switch_in; |
| if (is_in_buf) |
| { |
| if (m_is_in_shared_buf) |
| { |
| uint32_t in_buf_num_read_port = m_orion_cfg_ptr->get<uint32_t>("IN_BUF_NUM_READ_PORT"); |
| num_switch_in = in_buf_num_read_port*m_num_in_port; |
| } |
| else if (m_is_in_shared_switch) |
| { |
| num_switch_in = 1*m_num_in_port; |
| } |
| else |
| { |
| num_switch_in = m_total_num_vc*m_num_in_port; |
| } |
| } |
| else |
| { |
| num_switch_in = 1*m_num_in_port; |
| } |
| uint32_t num_switch_out; |
| if (is_out_buf) |
| { |
| if (m_is_out_shared_buf) |
| { |
| uint32_t out_buf_num_write_port = m_orion_cfg_ptr->get<uint32_t>("OUT_BUF_NUM_WRITE_PORT"); |
| num_switch_out = out_buf_num_write_port*m_num_out_port; |
| } |
| else if (m_is_out_shared_switch) |
| { |
| num_switch_out = 1*m_num_out_port; |
| } |
| else |
| { |
| num_switch_out = m_total_num_vc*m_num_out_port; |
| } |
| } |
| else |
| { |
| num_switch_out = 1*m_num_out_port; |
| } |
| const string& xbar_model_str = m_orion_cfg_ptr->get<string>("CROSSBAR_MODEL"); |
| m_xbar_ptr = Crossbar::create_crossbar(xbar_model_str, |
| num_switch_in, num_switch_out, m_flit_width, m_orion_cfg_ptr); |
| |
| //vc allocator |
| const string& va_model_str = m_orion_cfg_ptr->get<string>("VA_MODEL"); |
| m_va_ary_ptr = new VCAllocator* [m_num_vclass]; |
| //m_vc_select_ary_ptr = new VCAllocator* [m_num_vclass]; |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| m_va_ary_ptr[i] = VCAllocator::create_vcallocator(va_model_str, |
| m_num_in_port, m_num_out_port, 1, m_num_vc_per_vclass_ary[i], |
| m_orion_cfg_ptr); |
| //m_vc_select_ary_ptr[i] = VCAllocator::create_vcallocator("VC_SELECT", |
| // m_num_in_port, m_num_out_port, 1, m_num_vc_per_vclass_ary[i], m_orion_cfg_ptr); |
| } |
| |
| //sw allocator |
| m_sa_ptr = SWAllocator::create_swallocator( |
| m_num_in_port, m_num_out_port, 1, m_total_num_vc, |
| m_xbar_ptr, m_orion_cfg_ptr); |
| |
| //cloc |
| 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); |
| |
| return; |
| } |
| |
| void OrionRouter::print() const |
| { |
| if (m_in_buf_ary_ptr) |
| { |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| cout << "VClass " << i << endl; |
| if (m_in_buf_ary_ptr[i]) m_in_buf_ary_ptr[i]->print_all(); |
| } |
| } |
| m_xbar_ptr->print_all(); |
| for (uint32_t i = 0; i < m_num_vclass; i++) |
| { |
| cout << "VClass " << i << endl; |
| m_va_ary_ptr[i]->print_all(); |
| //m_vc_select_ary_ptr[i]->print_all(); |
| } |
| m_sa_ptr->print_all(); |
| |
| //cout << "Router - Dynamic Energy" << endl; |
| //cout << "\t" << "Buffer Read = " << calc_dynamic_energy_buf(true) << endl; |
| //cout << "\t" << "Buffer Write = " << calc_dynamic_energy_buf(false) << endl; |
| //cout << "\t" << "Crossbar = " << calc_dynamic_energy_xbar() << endl; |
| //cout << "\t" << "Local VC Allocator(1) = " << calc_dynamic_energy_local_vc_arb(1) << endl; |
| //cout << "\t" << "Global VC Allocator(1) = " << calc_dynamic_energy_global_vc_arb(1) << endl; |
| //cout << "\t" << "VC Select Read = " << calc_dynamic_energy_vc_select(true) << endl; |
| //cout << "\t" << "VC Select Write = " << calc_dynamic_energy_vc_select(false) << endl; |
| //cout << "\t" << "Local SW Allocator(2) = " << calc_dynamic_energy_local_sw_arb(1) << endl; |
| //cout << "\t" << "Global SW Allocator(2) = " << calc_dynamic_energy_global_sw_arb(1) << endl; |
| //cout << "\t" << "Clock = " << calc_dynamic_energy_clock() << endl; |
| //cout << endl; |
| //cout << "Router - Static Power" << endl; |
| //cout << "\t" << "Buffer = " << get_static_power_buf() << endl; |
| //cout << "\t" << "Crossbar = " << get_static_power_xbar() << endl; |
| //cout << "\t" << "VC Allocator = " << get_static_power_va() << endl; |
| //cout << "\t" << "SW Allocator = " << get_static_power_sa() << endl; |
| //cout << "\t" << "Clock = " << get_static_power_clock() << endl; |
| //cout << endl; |
| return; |
| } |
| |