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; --- 12 unchanged lines hidden (view full) --- 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 |
29#include "mem/protocol/MessageSizeType.hh" |
30#include "mem/protocol/Protocol.hh" |
31#include "mem/ruby/buffers/MessageBuffer.hh" 32#include "mem/ruby/network/Network.hh" 33#include "mem/ruby/network/simple/PerfectSwitch.hh" 34#include "mem/ruby/network/simple/Switch.hh" 35#include "mem/ruby/network/simple/Throttle.hh" |
36 37Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr) 38{ |
39 m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr); 40 m_switch_id = sid; 41 m_throttles.setSize(0); |
42} 43 44Switch::~Switch() 45{ |
46 delete m_perfect_switch_ptr; |
47 |
48 // Delete throttles (one per output port) 49 m_throttles.deletePointers(); |
50 |
51 // Delete MessageBuffers 52 m_buffers_to_free.deletePointers(); |
53} 54 |
55void 56Switch::addInPort(const Vector<MessageBuffer*>& in) |
57{ |
58 m_perfect_switch_ptr->addInPort(in); |
59} 60 |
61void 62Switch::addOutPort(const Vector<MessageBuffer*>& out, 63 const NetDest& routing_table_entry, int link_latency, int bw_multiplier) |
64{ |
65 Throttle* throttle_ptr = NULL; |
66 |
67 // Create a throttle 68 throttle_ptr = new Throttle(m_switch_id, m_throttles.size(), link_latency, 69 bw_multiplier); 70 m_throttles.insertAtBottom(throttle_ptr); |
71 |
72 // Create one buffer per vnet (these are intermediaryQueues) 73 Vector<MessageBuffer*> intermediateBuffers; 74 for (int i = 0; i < out.size(); i++) { 75 MessageBuffer* buffer_ptr = new MessageBuffer; 76 // Make these queues ordered 77 buffer_ptr->setOrdering(true); 78 Network* net_ptr = RubySystem::getNetwork(); 79 if (net_ptr->getBufferSize() > 0) { 80 buffer_ptr->setSize(net_ptr->getBufferSize()); 81 } 82 intermediateBuffers.insertAtBottom(buffer_ptr); 83 m_buffers_to_free.insertAtBottom(buffer_ptr); |
84 } 85 |
86 // Hook the queues to the PerfectSwitch 87 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry); |
88 |
89 // Hook the queues to the Throttle 90 throttle_ptr->addLinks(intermediateBuffers, out); |
91} 92 |
93void 94Switch::clearRoutingTables() |
95{ |
96 m_perfect_switch_ptr->clearRoutingTables(); |
97} 98 |
99void 100Switch::clearBuffers() |
101{ |
102 m_perfect_switch_ptr->clearBuffers(); 103 for (int i = 0; i < m_throttles.size(); i++) { 104 if (m_throttles[i] != NULL) { 105 m_throttles[i]->clear(); 106 } |
107 } |
108} 109 |
110void 111Switch::reconfigureOutPort(const NetDest& routing_table_entry) |
112{ |
113 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry); |
114} 115 |
116const Throttle* 117Switch::getThrottle(LinkID link_number) const |
118{ |
119 assert(m_throttles[link_number] != NULL); 120 return m_throttles[link_number]; |
121} 122 |
123const Vector 124Switch::getThrottles() const |
125{ |
126 return &m_throttles; |
127} 128 |
129void 130Switch::printStats(std::ostream& out) const |
131{ |
132 using namespace std; |
133 |
134 ccprintf(out, "switch_%d_inlinks: %d\n", m_switch_id, 135 m_perfect_switch_ptr->getInLinks()); 136 ccprintf(out, "switch_%d_outlinks: %d\n", m_switch_id, 137 m_perfect_switch_ptr->getOutLinks()); |
138 |
139 // Average link utilizations 140 double average_utilization = 0.0; 141 int throttle_count = 0; |
142 |
143 for (int i = 0; i < m_throttles.size(); i++) { 144 Throttle* throttle_ptr = m_throttles[i]; 145 if (throttle_ptr) { 146 average_utilization += throttle_ptr->getUtilization(); 147 throttle_count++; 148 } |
149 } |
150 average_utilization = 151 throttle_count == 0 ? 0 : average_utilization / throttle_count; |
152 |
153 // Individual link utilizations 154 out << "links_utilized_percent_switch_" << m_switch_id << ": " 155 << average_utilization << endl; 156 157 for (int link = 0; link < m_throttles.size(); link++) { 158 Throttle* throttle_ptr = m_throttles[link]; 159 if (throttle_ptr != NULL) { 160 out << " links_utilized_percent_switch_" << m_switch_id 161 << "_link_" << link << ": " 162 << throttle_ptr->getUtilization() << " bw: " 163 << throttle_ptr->getLinkBandwidth() 164 << " base_latency: " << throttle_ptr->getLatency() << endl; 165 } |
166 } |
167 out << endl; |
168 |
169 // Traffic breakdown 170 for (int link = 0; link < m_throttles.size(); link++) { 171 Throttle* throttle_ptr = m_throttles[link]; 172 if (!throttle_ptr) 173 continue; 174 175 const Vector<Vector<int> >& message_counts = 176 throttle_ptr->getCounters(); 177 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) { 178 MessageSizeType type = MessageSizeType(int_type); 179 int sum = message_counts[type].sum(); 180 if (sum == 0) 181 continue; 182 183 out << " outgoing_messages_switch_" << m_switch_id 184 << "_link_" << link << "_" << type << ": " << sum << " " 185 << sum * RubySystem::getNetwork()->MessageSizeType_to_int(type) 186 << " " << message_counts[type] << " base_latency: " 187 << throttle_ptr->getLatency() << endl; |
188 } |
189 } |
190 out << endl; |
191} 192 |
193void 194Switch::clearStats() |
195{ |
196 m_perfect_switch_ptr->clearStats(); 197 for (int i = 0; i < m_throttles.size(); i++) { 198 if (m_throttles[i] != NULL) 199 m_throttles[i]->clearStats(); |
200 } |
201} 202 |
203void 204Switch::printConfig(std::ostream& out) const |
205{ |
206 m_perfect_switch_ptr->printConfig(out); 207 for (int i = 0; i < m_throttles.size(); i++) { 208 if (m_throttles[i] != NULL) 209 m_throttles[i]->printConfig(out); |
210 } |
211} 212 |
213void 214Switch::print(std::ostream& out) const |
215{ |
216 // FIXME printing 217 out << "[Switch]"; |
218} 219 |