1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28
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29#include <numeric> 30 31#include "base/stl_helpers.hh" |
32#include "mem/protocol/MessageSizeType.hh" 33#include "mem/protocol/Protocol.hh" 34#include "mem/ruby/buffers/MessageBuffer.hh" 35#include "mem/ruby/network/Network.hh" 36#include "mem/ruby/network/simple/PerfectSwitch.hh" 37#include "mem/ruby/network/simple/Switch.hh" 38#include "mem/ruby/network/simple/Throttle.hh" 39 40using namespace std;
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41using m5::stl_helpers::deletePointers; 42using m5::stl_helpers::operator<<; |
43 44Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr) 45{ 46 m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr); 47 m_switch_id = sid;
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43 m_throttles.setSize(0);
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48} 49 50Switch::~Switch() 51{ 52 delete m_perfect_switch_ptr; 53 54 // Delete throttles (one per output port)
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51 m_throttles.deletePointers();
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55 deletePointers(m_throttles); |
56 57 // Delete MessageBuffers
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54 m_buffers_to_free.deletePointers();
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58 deletePointers(m_buffers_to_free); |
59} 60 61void
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58Switch::addInPort(const Vector<MessageBuffer*>& in)
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62Switch::addInPort(const vector<MessageBuffer*>& in) |
63{ 64 m_perfect_switch_ptr->addInPort(in); 65} 66 67void
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64Switch::addOutPort(const Vector<MessageBuffer*>& out,
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68Switch::addOutPort(const vector<MessageBuffer*>& out, |
69 const NetDest& routing_table_entry, int link_latency, int bw_multiplier) 70{ 71 Throttle* throttle_ptr = NULL; 72 73 // Create a throttle 74 throttle_ptr = new Throttle(m_switch_id, m_throttles.size(), link_latency, 75 bw_multiplier);
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72 m_throttles.insertAtBottom(throttle_ptr);
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76 m_throttles.push_back(throttle_ptr); |
77 78 // Create one buffer per vnet (these are intermediaryQueues)
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75 Vector<MessageBuffer*> intermediateBuffers;
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79 vector<MessageBuffer*> intermediateBuffers; |
80 for (int i = 0; i < out.size(); i++) { 81 MessageBuffer* buffer_ptr = new MessageBuffer; 82 // Make these queues ordered 83 buffer_ptr->setOrdering(true); 84 Network* net_ptr = RubySystem::getNetwork(); 85 if (net_ptr->getBufferSize() > 0) {
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82 buffer_ptr->setSize(net_ptr->getBufferSize());
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86 buffer_ptr->resize(net_ptr->getBufferSize()); |
87 }
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84 intermediateBuffers.insertAtBottom(buffer_ptr);
85 m_buffers_to_free.insertAtBottom(buffer_ptr);
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88 intermediateBuffers.push_back(buffer_ptr); 89 m_buffers_to_free.push_back(buffer_ptr); |
90 } 91 92 // Hook the queues to the PerfectSwitch 93 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry); 94 95 // Hook the queues to the Throttle 96 throttle_ptr->addLinks(intermediateBuffers, out); 97} 98 99void 100Switch::clearRoutingTables() 101{ 102 m_perfect_switch_ptr->clearRoutingTables(); 103} 104 105void 106Switch::clearBuffers() 107{ 108 m_perfect_switch_ptr->clearBuffers(); 109 for (int i = 0; i < m_throttles.size(); i++) { 110 if (m_throttles[i] != NULL) { 111 m_throttles[i]->clear(); 112 } 113 } 114} 115 116void 117Switch::reconfigureOutPort(const NetDest& routing_table_entry) 118{ 119 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry); 120} 121 122const Throttle* 123Switch::getThrottle(LinkID link_number) const 124{ 125 assert(m_throttles[link_number] != NULL); 126 return m_throttles[link_number]; 127} 128
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125const Vector<Throttle*>*
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129const vector<Throttle*>* |
130Switch::getThrottles() const 131{ 132 return &m_throttles; 133} 134 135void 136Switch::printStats(std::ostream& out) const 137{ 138 ccprintf(out, "switch_%d_inlinks: %d\n", m_switch_id, 139 m_perfect_switch_ptr->getInLinks()); 140 ccprintf(out, "switch_%d_outlinks: %d\n", m_switch_id, 141 m_perfect_switch_ptr->getOutLinks()); 142 143 // Average link utilizations 144 double average_utilization = 0.0; 145 int throttle_count = 0; 146 147 for (int i = 0; i < m_throttles.size(); i++) { 148 Throttle* throttle_ptr = m_throttles[i]; 149 if (throttle_ptr) { 150 average_utilization += throttle_ptr->getUtilization(); 151 throttle_count++; 152 } 153 } 154 average_utilization = 155 throttle_count == 0 ? 0 : average_utilization / throttle_count; 156 157 // Individual link utilizations 158 out << "links_utilized_percent_switch_" << m_switch_id << ": " 159 << average_utilization << endl; 160 161 for (int link = 0; link < m_throttles.size(); link++) { 162 Throttle* throttle_ptr = m_throttles[link]; 163 if (throttle_ptr != NULL) { 164 out << " links_utilized_percent_switch_" << m_switch_id 165 << "_link_" << link << ": " 166 << throttle_ptr->getUtilization() << " bw: " 167 << throttle_ptr->getLinkBandwidth() 168 << " base_latency: " << throttle_ptr->getLatency() << endl; 169 } 170 } 171 out << endl; 172 173 // Traffic breakdown 174 for (int link = 0; link < m_throttles.size(); link++) { 175 Throttle* throttle_ptr = m_throttles[link]; 176 if (!throttle_ptr) 177 continue; 178
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175 const Vector<Vector<int> >& message_counts =
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179 const vector<vector<int> >& message_counts = |
180 throttle_ptr->getCounters(); 181 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) { 182 MessageSizeType type = MessageSizeType(int_type);
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179 int sum = message_counts[type].sum();
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183 const vector<int> &mct = message_counts[type]; 184 int sum = accumulate(mct.begin(), mct.end(), 0); |
185 if (sum == 0) 186 continue; 187 188 out << " outgoing_messages_switch_" << m_switch_id 189 << "_link_" << link << "_" << type << ": " << sum << " " 190 << sum * RubySystem::getNetwork()->MessageSizeType_to_int(type)
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186 << " " << message_counts[type] << " base_latency: "
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191 << " "; 192 out << mct; 193 out << " base_latency: " |
194 << throttle_ptr->getLatency() << endl; 195 } 196 } 197 out << endl; 198} 199 200void 201Switch::clearStats() 202{ 203 m_perfect_switch_ptr->clearStats(); 204 for (int i = 0; i < m_throttles.size(); i++) { 205 if (m_throttles[i] != NULL) 206 m_throttles[i]->clearStats(); 207 } 208} 209 210void 211Switch::printConfig(std::ostream& out) const 212{ 213 m_perfect_switch_ptr->printConfig(out); 214 for (int i = 0; i < m_throttles.size(); i++) { 215 if (m_throttles[i] != NULL) 216 m_throttles[i]->printConfig(out); 217 } 218} 219 220void 221Switch::print(std::ostream& out) const 222{ 223 // FIXME printing 224 out << "[Switch]"; 225} 226
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