ElectricalClos.cc revision 10447:a465576671d4
1#include "model/network/ElectricalClos.h" 2 3#include <cmath> 4 5#include "model/ModelGen.h" 6#include "model/timing_graph/ElectricalTimingTree.h" 7#include "model/timing_graph/ElectricalNet.h" 8 9namespace DSENT 10{ 11 using std::sqrt; 12 13 ElectricalClos::ElectricalClos(const String& instance_name_, const TechModel* tech_model_) 14 : ElectricalModel(instance_name_, tech_model_) 15 { 16 initParameters(); 17 initProperties(); 18 } 19 20 ElectricalClos::~ElectricalClos() 21 {} 22 23 void ElectricalClos::initParameters() 24 { 25 // Frequency 26 addParameterName("Frequency"); 27 // Physical Parameters 28 addParameterName("NumberInputSites"); 29 addParameterName("NumberOutputSites"); 30 addParameterName("NumberBitsPerFlit"); 31 // Number of each type of routers 32 addParameterName("NumberIngressRouters"); 33 addParameterName("NumberMiddleRouters"); 34 addParameterName("NumberEgressRouters"); 35 // Router parameters 36 addParameterName("Router->NumberVirtualNetworks"); 37 addParameterName("Router->NumberVirtualChannelsPerVirtualNetwork"); 38 addParameterName("Router->NumberBuffersPerVirtualChannel"); 39 addParameterName("Router->InputPort->BufferModel"); 40 addParameterName("Router->CrossbarModel"); 41 addParameterName("Router->SwitchAllocator->ArbiterModel"); 42 addParameterName("Router->ClockTreeModel"); 43 addParameterName("Router->ClockTree->NumberLevels"); 44 addParameterName("Router->ClockTree->WireLayer"); 45 addParameterName("Router->ClockTree->WireWidthMultiplier"); 46 addParameterName("Router->ClockTree->WireSpacingMultiplier", 3.0); 47 // Link parameters 48 addParameterName("Link->WireLayer"); 49 addParameterName("Link->WireWidthMultiplier"); 50 addParameterName("Link->WireSpacingMultiplier"); 51 return; 52 } 53 54 void ElectricalClos::initProperties() 55 { 56 addPropertyName("InputSitePitch"); 57 addPropertyName("OutputSitePitch"); 58 return; 59 } 60 61 ElectricalClos* ElectricalClos::clone() const 62 { 63 // TODO 64 return NULL; 65 } 66 67 void ElectricalClos::constructModel() 68 { 69 // Get input parameters 70 unsigned int number_input_sites = getParameter("NumberInputSites").toUInt(); 71 unsigned int number_output_sites = getParameter("NumberOutputSites").toUInt(); 72 unsigned int number_bits_per_flit = getParameter("NumberBitsPerFlit").toUInt(); 73 unsigned int number_ingress_routers = getParameter("NumberIngressRouters").toUInt(); 74 unsigned int number_middle_routers = getParameter("NumberMiddleRouters").toUInt(); 75 unsigned int number_egress_routers = getParameter("NumberEgressRouters").toUInt(); 76 77 ASSERT(number_input_sites > 0, "[Error] " + getInstanceName() + 78 " -> Number of input sites must be > 0!"); 79 ASSERT(number_output_sites > 0, "[Error] " + getInstanceName() + 80 " -> Number of output sites must be > 0!"); 81 ASSERT(number_bits_per_flit > 0, "[Error] " + getInstanceName() + 82 " -> Number of bits per flit must be > 0!"); 83 ASSERT(number_ingress_routers > 0, "[Error] " + getInstanceName() + 84 " -> Number of ingress routers must be > 0!"); 85 ASSERT(number_middle_routers > 0, "[Error] " + getInstanceName() + 86 " -> Number of middle routers must be > 0!"); 87 ASSERT(number_egress_routers > 0, "[Error] " + getInstanceName() + 88 " -> Number of egress routers must be > 0!"); 89 90 // Get input parameters that will be forwarded to the sub instances 91 const String& router_number_vns = getParameter("Router->NumberVirtualNetworks"); 92 const String& router_number_vcs_per_vn = getParameter("Router->NumberVirtualChannelsPerVirtualNetwork"); 93 const String& router_number_bufs_per_vc = getParameter("Router->NumberBuffersPerVirtualChannel"); 94 const String& router_buffer_model = getParameter("Router->InputPort->BufferModel"); 95 const String& router_crossbar_model = getParameter("Router->CrossbarModel"); 96 const String& link_wire_layer = getParameter("Link->WireLayer"); 97 const String& link_wire_width_multiplier = getParameter("Link->WireWidthMultiplier"); 98 const String& link_wire_spacing_multiplier = getParameter("Link->WireSpacingMultiplier"); 99 100 // Calculate properties from input parameters 101 unsigned int ingress_router_number_input_ports = number_input_sites / number_ingress_routers; 102 unsigned int ingress_router_number_output_ports = number_middle_routers; 103 unsigned int middle_router_number_input_ports = number_ingress_routers; 104 unsigned int middle_router_number_output_ports = number_egress_routers; 105 unsigned int egress_router_number_input_ports = number_middle_routers; 106 unsigned int egress_router_number_output_ports = number_output_sites / number_egress_routers; 107 unsigned int number_input_to_ingress_links = number_input_sites; 108 unsigned int number_ingress_to_middle_links = number_ingress_routers * number_middle_routers; 109 unsigned int number_middle_to_egress_links = number_middle_routers * number_egress_routers; 110 unsigned int number_egress_to_output_links = number_output_sites; 111 112 getGenProperties()->set("NumberInputSitesPerIngressRouter", ingress_router_number_input_ports); 113 getGenProperties()->set("NumberOutputSitesPerEgressRouter", egress_router_number_output_ports); 114 getGenProperties()->set("IngressRouter->NumberInputPorts", ingress_router_number_input_ports); 115 getGenProperties()->set("IngressRouter->NumberOutputPorts", ingress_router_number_output_ports); 116 getGenProperties()->set("MiddleRouter->NumberInputPorts", middle_router_number_input_ports); 117 getGenProperties()->set("MiddleRouter->NumberOutputPorts", middle_router_number_output_ports); 118 getGenProperties()->set("EgressRouter->NumberInputPorts", egress_router_number_input_ports); 119 getGenProperties()->set("EgressRouter->NumberOutputPorts", egress_router_number_output_ports); 120 121 // Create ports 122 createInputPort("CK"); 123 124 // Init ingress router 125 ElectricalModel* ingress_router = (ElectricalModel*)ModelGen::createModel("Router", "IngressRouter", getTechModel()); 126 ingress_router->setParameter("NumberInputPorts", ingress_router_number_input_ports); 127 ingress_router->setParameter("NumberOutputPorts", ingress_router_number_output_ports); 128 ingress_router->setParameter("NumberVirtualNetworks", router_number_vns); 129 ingress_router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); 130 ingress_router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); 131 ingress_router->setParameter("NumberBitsPerFlit", number_bits_per_flit); 132 ingress_router->setParameter("InputPort->BufferModel", router_buffer_model); 133 ingress_router->setParameter("CrossbarModel", router_crossbar_model); 134 ingress_router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); 135 ingress_router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); 136 ingress_router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); 137 ingress_router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); 138 ingress_router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); 139 ingress_router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); 140 ingress_router->construct(); 141 // Init middle routers 142 ElectricalModel* middle_router = (ElectricalModel*)ModelGen::createModel("Router", "MiddleRouter", getTechModel()); 143 middle_router->setParameter("NumberInputPorts", middle_router_number_input_ports); 144 middle_router->setParameter("NumberOutputPorts", middle_router_number_output_ports); 145 middle_router->setParameter("NumberVirtualNetworks", router_number_vns); 146 middle_router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); 147 middle_router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); 148 middle_router->setParameter("NumberBitsPerFlit", number_bits_per_flit); 149 middle_router->setParameter("InputPort->BufferModel", router_buffer_model); 150 middle_router->setParameter("CrossbarModel", router_crossbar_model); 151 middle_router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); 152 middle_router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); 153 middle_router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); 154 middle_router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); 155 middle_router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); 156 middle_router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); 157 middle_router->construct(); 158 // Init egress routers 159 ElectricalModel* egress_router = (ElectricalModel*)ModelGen::createModel("Router", "EgressRouter", getTechModel()); 160 egress_router->setParameter("NumberInputPorts", egress_router_number_input_ports); 161 egress_router->setParameter("NumberOutputPorts", egress_router_number_output_ports); 162 egress_router->setParameter("NumberVirtualNetworks", router_number_vns); 163 egress_router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); 164 egress_router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); 165 egress_router->setParameter("NumberBitsPerFlit", number_bits_per_flit); 166 egress_router->setParameter("InputPort->BufferModel", router_buffer_model); 167 egress_router->setParameter("CrossbarModel", router_crossbar_model); 168 egress_router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); 169 egress_router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); 170 egress_router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); 171 egress_router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); 172 egress_router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); 173 egress_router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); 174 egress_router->construct(); 175 // Init input to ingress link 176 ElectricalModel* input_to_ingress_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "InputToIngressLink", getTechModel()); 177 input_to_ingress_link->setParameter("NumberBits", number_bits_per_flit); 178 input_to_ingress_link->setParameter("WireLayer", link_wire_layer); 179 input_to_ingress_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); 180 input_to_ingress_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); 181 input_to_ingress_link->construct(); 182 // Init ingress to middle link 183 ElectricalModel* ingress_to_middle_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "IngressToMiddleLink", getTechModel()); 184 ingress_to_middle_link->setParameter("NumberBits", number_bits_per_flit); 185 ingress_to_middle_link->setParameter("WireLayer", link_wire_layer); 186 ingress_to_middle_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); 187 ingress_to_middle_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); 188 ingress_to_middle_link->construct(); 189 // Init middle to egress link 190 ElectricalModel* middle_to_egress_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "MiddleToEgressLink", getTechModel()); 191 middle_to_egress_link->setParameter("NumberBits", number_bits_per_flit); 192 middle_to_egress_link->setParameter("WireLayer", link_wire_layer); 193 middle_to_egress_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); 194 middle_to_egress_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); 195 middle_to_egress_link->construct(); 196 // Init egress to output link 197 ElectricalModel* egress_to_output_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "EgressToOutputLink", getTechModel()); 198 egress_to_output_link->setParameter("NumberBits", number_bits_per_flit); 199 egress_to_output_link->setParameter("WireLayer", link_wire_layer); 200 egress_to_output_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); 201 egress_to_output_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); 202 egress_to_output_link->construct(); 203 204 // Connect ports 205 createNet("InputToIngressLink_Out", makeNetIndex(0, number_bits_per_flit-1)); 206 createNet("InputToIngressLink_In", makeNetIndex(0, number_bits_per_flit-1)); 207 portConnect(input_to_ingress_link, "In", "InputToIngressLink_In"); 208 portConnect(input_to_ingress_link, "Out", "InputToIngressLink_Out"); 209 210 createNet("IngressToMiddleLink_In", makeNetIndex(0, number_bits_per_flit-1)); 211 createNet("IngressToMiddleLink_Out", makeNetIndex(0, number_bits_per_flit-1)); 212 portConnect(ingress_to_middle_link, "In", "IngressToMiddleLink_In"); 213 portConnect(ingress_to_middle_link, "Out", "IngressToMiddleLink_Out"); 214 215 createNet("MiddleToEgressLink_In", makeNetIndex(0, number_bits_per_flit-1)); 216 createNet("MiddleToEgressLink_Out", makeNetIndex(0, number_bits_per_flit-1)); 217 portConnect(middle_to_egress_link, "In", "MiddleToEgressLink_In"); 218 portConnect(middle_to_egress_link, "Out", "MiddleToEgressLink_Out"); 219 220 createNet("EgressToOutputLink_In", makeNetIndex(0, number_bits_per_flit-1)); 221 createNet("EgressToOutputLink_Out", makeNetIndex(0, number_bits_per_flit-1)); 222 portConnect(egress_to_output_link, "In", "EgressToOutputLink_In"); 223 portConnect(egress_to_output_link, "Out", "EgressToOutputLink_Out"); 224 225 226 portConnect(ingress_router, "CK", "CK"); 227 for(unsigned int i = 0; i < ingress_router_number_input_ports; ++i) 228 { 229 createNet("IngressRouter_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); 230 for (unsigned int j = 0; j < number_bits_per_flit; ++j) 231 assignVirtualFanout("IngressRouter_In" + (String)i, makeNetIndex(j), "InputToIngressLink_Out", makeNetIndex(j)); 232 portConnect(ingress_router, "FlitIn" + (String)i, "IngressRouter_In" + (String)i); 233 } 234 for(unsigned int i = 0; i < ingress_router_number_output_ports; ++i) 235 { 236 // VFI 237 portConnect(ingress_router, "FlitOut" + (String)i, "IngressToMiddleLink_In"); 238 } 239 240 portConnect(middle_router, "CK", "CK"); 241 for(unsigned int i = 0; i < middle_router_number_input_ports; ++i) 242 { 243 createNet("MiddleRouter_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); 244 for (unsigned int j = 0; j < number_bits_per_flit; ++j) 245 assignVirtualFanout("MiddleRouter_In" + (String)i, makeNetIndex(j), "IngressToMiddleLink_Out", makeNetIndex(j)); 246 portConnect(middle_router, "FlitIn" + (String)i, "MiddleRouter_In" + (String)i); 247 } 248 for(unsigned int i = 0; i < middle_router_number_output_ports; ++i) 249 { 250 // VFI 251 portConnect(middle_router, "FlitOut" + (String)i, "MiddleToEgressLink_In"); 252 } 253 254 portConnect(egress_router, "CK", "CK"); 255 for(unsigned int i = 0; i < egress_router_number_input_ports; ++i) 256 { 257 createNet("EgressRouter_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); 258 for (unsigned int j = 0; j < number_bits_per_flit; ++j) 259 assignVirtualFanout("EgressRouter_In" + (String)i, makeNetIndex(j), "MiddleToEgressLink_Out", makeNetIndex(j)); 260 portConnect(egress_router, "FlitIn" + (String)i, "EgressRouter_In" + (String)i); 261 } 262 for(unsigned int i = 0; i < egress_router_number_output_ports; ++i) 263 { 264 // VFI 265 portConnect(egress_router, "FlitOut" + (String)i, "EgressToOutputLink_In"); 266 } 267 268 // Create area, power, and event results 269 createElectricalResults(); 270 createElectricalEventResult("AvgUnicast"); 271 createElectricalEventResult("AvgBroadcast"); 272 273 // Add all instances 274 addSubInstances(ingress_router, number_ingress_routers); 275 addElectricalSubResults(ingress_router, number_ingress_routers); 276 addSubInstances(middle_router, number_middle_routers); 277 addElectricalSubResults(middle_router, number_middle_routers); 278 addSubInstances(egress_router, number_egress_routers); 279 addElectricalSubResults(egress_router, number_egress_routers); 280 addSubInstances(input_to_ingress_link, number_input_to_ingress_links); 281 addElectricalSubResults(input_to_ingress_link, number_input_to_ingress_links); 282 addSubInstances(ingress_to_middle_link, number_ingress_to_middle_links); 283 addElectricalSubResults(ingress_to_middle_link, number_ingress_to_middle_links); 284 addSubInstances(middle_to_egress_link, number_middle_to_egress_links); 285 addElectricalSubResults(middle_to_egress_link, number_middle_to_egress_links); 286 addSubInstances(egress_to_output_link, number_egress_to_output_links); 287 addElectricalSubResults(egress_to_output_link, number_egress_to_output_links); 288 289 // Update unicast event 290 Result* avg_unicast_event = getEventResult("AvgUnicast"); 291 avg_unicast_event->addSubResult(input_to_ingress_link->getEventResult("Send"), "InputToIngressLink", 1.0); 292 if(ingress_router->hasEventResult("WriteBuffer")) 293 { 294 avg_unicast_event->addSubResult(ingress_router->getEventResult("WriteBuffer"), "IngressRouter", 1.0); 295 } 296 if(ingress_router->hasEventResult("ReadBuffer")) 297 { 298 avg_unicast_event->addSubResult(ingress_router->getEventResult("ReadBuffer"), "IngressRouter", 1.0); 299 } 300 avg_unicast_event->addSubResult(ingress_router->getEventResult("TraverseCrossbar->Multicast1"), "IngressRouter", 1.0); 301 avg_unicast_event->addSubResult(ingress_to_middle_link->getEventResult("Send"), "IngressToMiddleLink", 1.0); 302 if(middle_router->hasEventResult("WriteBuffer")) 303 { 304 avg_unicast_event->addSubResult(middle_router->getEventResult("WriteBuffer"), "MiddleRouter", 1.0); 305 } 306 if(middle_router->hasEventResult("ReadBuffer")) 307 { 308 avg_unicast_event->addSubResult(middle_router->getEventResult("ReadBuffer"), "MiddleRouter", 1.0); 309 } 310 avg_unicast_event->addSubResult(middle_router->getEventResult("TraverseCrossbar->Multicast1"), "MiddleRouter", 1.0); 311 avg_unicast_event->addSubResult(middle_to_egress_link->getEventResult("Send"), "MiddleToEgressLink", 1.0); 312 if(egress_router->hasEventResult("WriteBuffer")) 313 { 314 avg_unicast_event->addSubResult(egress_router->getEventResult("WriteBuffer"), "EgressRouter", 1.0); 315 } 316 if(egress_router->hasEventResult("ReadBuffer")) 317 { 318 avg_unicast_event->addSubResult(egress_router->getEventResult("ReadBuffer"), "EgressRouter", 1.0); 319 } 320 avg_unicast_event->addSubResult(egress_router->getEventResult("TraverseCrossbar->Multicast1"), "EgressRouter", 1.0); 321 avg_unicast_event->addSubResult(egress_to_output_link->getEventResult("Send"), "EgressToOutputLink", 1.0); 322 323 // Update broadcast event 324 Result* avg_broadcast_event = getEventResult("AvgBroadcast"); 325 avg_broadcast_event->addSubResult(input_to_ingress_link->getEventResult("Send"), "InputToIngressLink", 1.0); 326 if(ingress_router->hasEventResult("WriteBuffer")) 327 { 328 avg_broadcast_event->addSubResult(ingress_router->getEventResult("WriteBuffer"), "IngressRouter", 1.0); 329 } 330 if(ingress_router->hasEventResult("ReadBuffer")) 331 { 332 avg_broadcast_event->addSubResult(ingress_router->getEventResult("ReadBuffer"), "IngressRouter", 1.0); 333 } 334 avg_broadcast_event->addSubResult(ingress_router->getEventResult("TraverseCrossbar->Multicast1"), "IngressRouter", 1.0); 335 avg_broadcast_event->addSubResult(ingress_to_middle_link->getEventResult("Send"), "IngressToMiddleLink", 1.0); 336 if(middle_router->hasEventResult("WriteBuffer")) 337 { 338 avg_broadcast_event->addSubResult(middle_router->getEventResult("WriteBuffer"), "MiddleRouter", 1.0); 339 } 340 if(middle_router->hasEventResult("ReadBuffer")) 341 { 342 avg_broadcast_event->addSubResult(middle_router->getEventResult("ReadBuffer"), "MiddleRouter", 1.0); 343 } 344 avg_broadcast_event->addSubResult(middle_router->getEventResult("TraverseCrossbar->Multicast1"), "MiddleRouter", 1.0); 345 avg_broadcast_event->addSubResult(middle_to_egress_link->getEventResult("Send"), "MiddleToEgressLink", number_egress_routers); 346 if(egress_router->hasEventResult("WriteBuffer")) 347 { 348 avg_broadcast_event->addSubResult(egress_router->getEventResult("WriteBuffer"), "EgressRouter", number_egress_routers); 349 } 350 if(egress_router->hasEventResult("ReadBuffer")) 351 { 352 avg_broadcast_event->addSubResult(egress_router->getEventResult("ReadBuffer"), "EgressRouter", number_egress_routers); 353 } 354 avg_broadcast_event->addSubResult(egress_router->getEventResult("TraverseCrossbar->Multicast" + (String)number_egress_routers), "EgressRouter", 1.0); 355 avg_broadcast_event->addSubResult(egress_to_output_link->getEventResult("Send"), "EgressToOutputLink", number_output_sites); 356 return; 357 } 358 359 void ElectricalClos::updateModel() 360 { 361 // Get properties 362 double input_site_pitch = getProperty("InputSitePitch").toDouble(); 363 double output_site_pitch = getProperty("OutputSitePitch").toDouble(); 364 double clock_freq = getParameter("Frequency"); 365 366 ASSERT(input_site_pitch > 0, "[Error] " + getInstanceName() + 367 " -> Input site pitch must be > 0!"); 368 ASSERT(output_site_pitch > 0, "[Error] " + getInstanceName() + 369 " -> Output site pitch must be > 0!"); 370 ASSERT(clock_freq > 0, "[Error] " + getInstanceName() + 371 " -> Clock frequency must be > 0!"); 372 373 unsigned int number_input_sites_per_ingress_router = getGenProperties()->get("NumberInputSitesPerIngressRouter"); 374 unsigned int number_ingress_routers = getParameter("NumberIngressRouters"); 375 unsigned int number_output_sites_per_egress_router = getGenProperties()->get("NumberOutputSitesPerEgressRouter"); 376 unsigned int number_egress_routers = getParameter("NumberEgressRouters"); 377 double delay = 1.0 / clock_freq; 378 379 double input_to_ingress_link_length = input_site_pitch * (sqrt(number_input_sites_per_ingress_router) - 1.0); 380 double input_to_ingress_link_delay = delay * 0.8; 381 double ingress_to_middle_link_length = input_site_pitch * (sqrt(number_input_sites_per_ingress_router) * sqrt(number_ingress_routers)); 382 double ingress_to_middle_link_delay = delay * 0.8; 383 double middle_to_egress_link_length = output_site_pitch * (sqrt(number_output_sites_per_egress_router) * sqrt(number_egress_routers)); 384 double middle_to_egress_link_delay = delay * 0.8; 385 double egress_to_output_link_length = output_site_pitch * (sqrt(number_output_sites_per_egress_router) - 1.0); 386 double egress_to_output_link_delay = delay * 0.8; 387 double ingress_router_delay = delay; 388 double middle_router_delay = delay; 389 double egress_router_delay = delay; 390 391 Model* input_to_ingress_link = getSubInstance("InputToIngressLink"); 392 input_to_ingress_link->setProperty("WireLength", input_to_ingress_link_length); 393 input_to_ingress_link->setProperty("Delay", input_to_ingress_link_delay); 394 input_to_ingress_link->setProperty("IsKeepParity", "TRUE"); 395 input_to_ingress_link->update(); 396 397 Model* ingress_to_middle_link = getSubInstance("IngressToMiddleLink"); 398 ingress_to_middle_link->setProperty("WireLength", ingress_to_middle_link_length); 399 ingress_to_middle_link->setProperty("Delay", ingress_to_middle_link_delay); 400 ingress_to_middle_link->setProperty("IsKeepParity", "TRUE"); 401 ingress_to_middle_link->update(); 402 403 Model* middle_to_egress_link = getSubInstance("MiddleToEgressLink"); 404 middle_to_egress_link->setProperty("WireLength", middle_to_egress_link_length); 405 middle_to_egress_link->setProperty("Delay", middle_to_egress_link_delay); 406 middle_to_egress_link->setProperty("IsKeepParity", "TRUE"); 407 middle_to_egress_link->update(); 408 409 Model* egress_to_output_link = getSubInstance("EgressToOutputLink"); 410 egress_to_output_link->setProperty("WireLength", egress_to_output_link_length); 411 egress_to_output_link->setProperty("Delay", egress_to_output_link_delay); 412 egress_to_output_link->setProperty("IsKeepParity", "TRUE"); 413 egress_to_output_link->update(); 414 415 ElectricalModel* ingress_router = (ElectricalModel*)getSubInstance("IngressRouter"); 416 ingress_router->update(); 417 418 ElectricalTimingTree ingress_router_timing_tree("IngressRouter", ingress_router); 419 ingress_router_timing_tree.performTimingOpt(ingress_router->getNet("CK"), ingress_router_delay); 420 421 ElectricalModel* middle_router = (ElectricalModel*)getSubInstance("MiddleRouter"); 422 middle_router->update(); 423 424 ElectricalTimingTree middle_router_timing_tree("MiddleRouter", middle_router); 425 middle_router_timing_tree.performTimingOpt(middle_router->getNet("CK"), middle_router_delay); 426 427 ElectricalModel* egress_router = (ElectricalModel*)getSubInstance("EgressRouter"); 428 egress_router->update(); 429 430 ElectricalTimingTree egress_router_timing_tree("EgressRouter", egress_router); 431 egress_router_timing_tree.performTimingOpt(egress_router->getNet("CK"), egress_router_delay); 432 433 return; 434 } 435 436 void ElectricalClos::propagateTransitionInfo() 437 { 438 // Get properties 439 unsigned int ingress_router_number_input_ports = getGenProperties()->get("IngressRouter->NumberInputPorts"); 440 unsigned int middle_router_number_input_ports = getGenProperties()->get("MiddleRouter->NumberInputPorts"); 441 unsigned int egress_router_number_input_ports = getGenProperties()->get("EgressRouter->NumberInputPorts"); 442 443 ElectricalModel* input_to_ingress_link = (ElectricalModel*)getSubInstance("InputToIngressLink"); 444 assignPortTransitionInfo(input_to_ingress_link, "In", TransitionInfo(0.25, 0.25, 0.25)); 445 input_to_ingress_link->use(); 446 447 ElectricalModel* ingress_to_middle_link = (ElectricalModel*)getSubInstance("IngressToMiddleLink"); 448 assignPortTransitionInfo(ingress_to_middle_link, "In", TransitionInfo(0.25, 0.25, 0.25)); 449 ingress_to_middle_link->use(); 450 451 ElectricalModel* middle_to_egress_link = (ElectricalModel*)getSubInstance("MiddleToEgressLink"); 452 assignPortTransitionInfo(middle_to_egress_link, "In", TransitionInfo(0.25, 0.25, 0.25)); 453 middle_to_egress_link->use(); 454 455 ElectricalModel* egress_to_output_link = (ElectricalModel*)getSubInstance("EgressToOutputLink"); 456 assignPortTransitionInfo(egress_to_output_link, "In", TransitionInfo(0.25, 0.25, 0.25)); 457 egress_to_output_link->use(); 458 459 ElectricalModel* ingress_router = (ElectricalModel*)getSubInstance("IngressRouter"); 460 for(unsigned int i = 0; i < ingress_router_number_input_ports; ++i) 461 { 462 assignPortTransitionInfo(ingress_router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); 463 } 464 assignPortTransitionInfo(ingress_router, "CK", TransitionInfo(0.0, 1.0, 0.0)); 465 ingress_router->getGenProperties()->set("UseModelEvent", ""); 466 ingress_router->use(); 467 468 ElectricalModel* middle_router = (ElectricalModel*)getSubInstance("MiddleRouter"); 469 for(unsigned int i = 0; i < middle_router_number_input_ports; ++i) 470 { 471 assignPortTransitionInfo(middle_router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); 472 } 473 assignPortTransitionInfo(middle_router, "CK", TransitionInfo(0.0, 1.0, 0.0)); 474 middle_router->getGenProperties()->set("UseModelEvent", ""); 475 middle_router->use(); 476 477 ElectricalModel* egress_router = (ElectricalModel*)getSubInstance("EgressRouter"); 478 for(unsigned int i = 0; i < egress_router_number_input_ports; ++i) 479 { 480 assignPortTransitionInfo(egress_router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); 481 } 482 assignPortTransitionInfo(egress_router, "CK", TransitionInfo(0.0, 1.0, 0.0)); 483 egress_router->getGenProperties()->set("UseModelEvent", ""); 484 egress_router->use(); 485 486 return; 487 } 488} // namespace DSENT 489 490