| /* Copyright (c) 2012 Massachusetts Institute of Technology |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| #include "model/network/PhotonicClos.h" |
| |
| #include <cmath> |
| |
| #include "model/ModelGen.h" |
| #include "model/timing_graph/ElectricalTimingTree.h" |
| #include "model/timing_graph/ElectricalNet.h" |
| |
| namespace DSENT |
| { |
| using std::sqrt; |
| |
| PhotonicClos::PhotonicClos(const String& instance_name_, const TechModel* tech_model_) |
| : ElectricalModel(instance_name_, tech_model_) |
| { |
| initParameters(); |
| initProperties(); |
| } |
| |
| PhotonicClos::~PhotonicClos() |
| {} |
| |
| void PhotonicClos::initParameters() |
| { |
| // Clock Frequency |
| addParameterName("Frequency"); |
| // Physical Parameters |
| addParameterName("NumberInputSites"); |
| addParameterName("NumberOutputSites"); |
| addParameterName("NumberBitsPerFlit"); |
| // Number of each type of routers |
| addParameterName("NumberIngressRouters"); |
| addParameterName("NumberMiddleRouters"); |
| addParameterName("NumberEgressRouters"); |
| // Optical link parameters |
| addParameterName("SWSR->LinkDataRate"); |
| addParameterName("SWSR->LaserType"); |
| addParameterName("SWSR->RingTuningMethod"); |
| // Router parameters |
| addParameterName("Router->NumberVirtualNetworks"); |
| addParameterName("Router->NumberVirtualChannelsPerVirtualNetwork"); |
| addParameterName("Router->NumberBuffersPerVirtualChannel"); |
| addParameterName("Router->InputPort->BufferModel"); |
| addParameterName("Router->CrossbarModel"); |
| addParameterName("Router->SwitchAllocator->ArbiterModel"); |
| addParameterName("Router->ClockTreeModel"); |
| addParameterName("Router->ClockTree->NumberLevels"); |
| addParameterName("Router->ClockTree->WireLayer"); |
| addParameterName("Router->ClockTree->WireWidthMultiplier"); |
| addParameterName("Router->ClockTree->WireSpacingMultiplier", 3.0); |
| // Link parameters |
| addParameterName("Link->WireLayer"); |
| addParameterName("Link->WireWidthMultiplier"); |
| addParameterName("Link->WireSpacingMultiplier"); |
| return; |
| } |
| |
| void PhotonicClos::initProperties() |
| { |
| addPropertyName("InputSitePitch"); |
| addPropertyName("OutputSitePitch"); |
| addPropertyName("SWSR->OptUtil", 1.0); |
| return; |
| } |
| |
| PhotonicClos* PhotonicClos::clone() const |
| { |
| // TODO |
| return NULL; |
| } |
| |
| void PhotonicClos::constructModel() |
| { |
| // Get input parameters |
| double clock_freq = getParameter("Frequency"); |
| unsigned int number_input_sites = getParameter("NumberInputSites").toUInt(); |
| unsigned int number_output_sites = getParameter("NumberOutputSites").toUInt(); |
| unsigned int number_bits_per_flit = getParameter("NumberBitsPerFlit").toUInt(); |
| unsigned int number_ingress_routers = getParameter("NumberIngressRouters").toUInt(); |
| unsigned int number_middle_routers = getParameter("NumberMiddleRouters").toUInt(); |
| unsigned int number_egress_routers = getParameter("NumberEgressRouters").toUInt(); |
| |
| ASSERT(clock_freq > 0, "[Error] " + getInstanceName() + |
| " -> Clock frequency must be > 0!"); |
| ASSERT(number_input_sites > 0, "[Error] " + getInstanceName() + |
| " -> Number of input sites must be > 0!"); |
| ASSERT(number_output_sites > 0, "[Error] " + getInstanceName() + |
| " -> Number of output sites must be > 0!"); |
| ASSERT(number_bits_per_flit > 0, "[Error] " + getInstanceName() + |
| " -> Number of bits per flit must be > 0!"); |
| ASSERT(number_ingress_routers > 0, "[Error] " + getInstanceName() + |
| " -> Number of ingress routers must be > 0!"); |
| ASSERT(number_middle_routers > 0, "[Error] " + getInstanceName() + |
| " -> Number of middle routers must be > 0!"); |
| ASSERT(number_egress_routers > 0, "[Error] " + getInstanceName() + |
| " -> Number of egress routers must be > 0!"); |
| |
| // Get input parameters that will be forwarded to the sub instances |
| const String& swsr_link_data_rate = getParameter("SWSR->LinkDataRate"); |
| const String& swsr_laser_type = getParameter("SWSR->LaserType"); |
| const String& swsr_ring_tuning_method = getParameter("SWSR->RingTuningMethod"); |
| const String& router_number_vns = getParameter("Router->NumberVirtualNetworks"); |
| const String& router_number_vcs_per_vn = getParameter("Router->NumberVirtualChannelsPerVirtualNetwork"); |
| const String& router_number_bufs_per_vc = getParameter("Router->NumberBuffersPerVirtualChannel"); |
| const String& router_buffer_model = getParameter("Router->InputPort->BufferModel"); |
| const String& router_crossbar_model = getParameter("Router->CrossbarModel"); |
| const String& link_wire_layer = getParameter("Link->WireLayer"); |
| const String& link_wire_width_multiplier = getParameter("Link->WireWidthMultiplier"); |
| const String& link_wire_spacing_multiplier = getParameter("Link->WireSpacingMultiplier"); |
| |
| // Calculate properties from input parameters |
| unsigned int ingress_router_number_input_ports = number_input_sites / number_ingress_routers; |
| unsigned int ingress_router_number_output_ports = number_middle_routers; |
| unsigned int middle_router_number_input_ports = number_ingress_routers; |
| unsigned int middle_router_number_output_ports = number_egress_routers; |
| unsigned int egress_router_number_input_ports = number_middle_routers; |
| unsigned int egress_router_number_output_ports = number_output_sites / number_egress_routers; |
| unsigned int number_input_to_ingress_links = number_input_sites; |
| unsigned int number_ingress_to_middle_links = number_ingress_routers * number_middle_routers; |
| unsigned int number_middle_to_egress_links = number_middle_routers * number_egress_routers; |
| unsigned int number_egress_to_output_links = number_output_sites; |
| |
| getGenProperties()->set("NumberInputSitesPerIngressRouter", ingress_router_number_input_ports); |
| getGenProperties()->set("NumberOutputSitesPerEgressRouter", egress_router_number_output_ports); |
| getGenProperties()->set("IngressRouter->NumberInputPorts", ingress_router_number_input_ports); |
| getGenProperties()->set("IngressRouter->NumberOutputPorts", ingress_router_number_output_ports); |
| getGenProperties()->set("MiddleRouter->NumberInputPorts", middle_router_number_input_ports); |
| getGenProperties()->set("MiddleRouter->NumberOutputPorts", middle_router_number_output_ports); |
| getGenProperties()->set("EgressRouter->NumberInputPorts", egress_router_number_input_ports); |
| getGenProperties()->set("EgressRouter->NumberOutputPorts", egress_router_number_output_ports); |
| |
| // Create ports |
| createInputPort("CK"); |
| |
| // Init ingress router |
| ElectricalModel* ingress_router = (ElectricalModel*)ModelGen::createModel("Router", "IngressRouter", getTechModel()); |
| ingress_router->setParameter("NumberInputPorts", ingress_router_number_input_ports); |
| ingress_router->setParameter("NumberOutputPorts", ingress_router_number_output_ports); |
| ingress_router->setParameter("NumberVirtualNetworks", router_number_vns); |
| ingress_router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); |
| ingress_router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); |
| ingress_router->setParameter("NumberBitsPerFlit", number_bits_per_flit); |
| ingress_router->setParameter("InputPort->BufferModel", router_buffer_model); |
| ingress_router->setParameter("CrossbarModel", router_crossbar_model); |
| ingress_router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); |
| ingress_router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); |
| ingress_router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); |
| ingress_router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); |
| ingress_router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); |
| ingress_router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); |
| ingress_router->construct(); |
| // Init middle routers |
| ElectricalModel* middle_router = (ElectricalModel*)ModelGen::createModel("Router", "MiddleRouter", getTechModel()); |
| middle_router->setParameter("NumberInputPorts", middle_router_number_input_ports); |
| middle_router->setParameter("NumberOutputPorts", middle_router_number_output_ports); |
| middle_router->setParameter("NumberVirtualNetworks", router_number_vns); |
| middle_router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); |
| middle_router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); |
| middle_router->setParameter("NumberBitsPerFlit", number_bits_per_flit); |
| middle_router->setParameter("InputPort->BufferModel", router_buffer_model); |
| middle_router->setParameter("CrossbarModel", router_crossbar_model); |
| middle_router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); |
| middle_router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); |
| middle_router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); |
| middle_router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); |
| middle_router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); |
| middle_router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); |
| middle_router->construct(); |
| // Init egress routers |
| ElectricalModel* egress_router = (ElectricalModel*)ModelGen::createModel("Router", "EgressRouter", getTechModel()); |
| egress_router->setParameter("NumberInputPorts", egress_router_number_input_ports); |
| egress_router->setParameter("NumberOutputPorts", egress_router_number_output_ports); |
| egress_router->setParameter("NumberVirtualNetworks", router_number_vns); |
| egress_router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); |
| egress_router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); |
| egress_router->setParameter("NumberBitsPerFlit", number_bits_per_flit); |
| egress_router->setParameter("InputPort->BufferModel", router_buffer_model); |
| egress_router->setParameter("CrossbarModel", router_crossbar_model); |
| egress_router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); |
| egress_router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); |
| egress_router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); |
| egress_router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); |
| egress_router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); |
| egress_router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); |
| egress_router->construct(); |
| // Init input to ingress link |
| ElectricalModel* input_to_ingress_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "InputToIngressLink", getTechModel()); |
| input_to_ingress_link->setParameter("NumberBits", number_bits_per_flit); |
| input_to_ingress_link->setParameter("WireLayer", link_wire_layer); |
| input_to_ingress_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); |
| input_to_ingress_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); |
| input_to_ingress_link->construct(); |
| // Init ingress to middle link |
| ElectricalModel* ingress_to_middle_link = (ElectricalModel*)ModelGen::createModel("SWSRLink", "IngressToMiddleLink", getTechModel()); |
| ingress_to_middle_link->setParameter("NumberBits", number_bits_per_flit); |
| ingress_to_middle_link->setParameter("CoreDataRate", clock_freq); |
| ingress_to_middle_link->setParameter("LinkDataRate", swsr_link_data_rate); |
| ingress_to_middle_link->setParameter("LaserType", swsr_laser_type); |
| ingress_to_middle_link->setParameter("RingTuningMethod", swsr_ring_tuning_method); |
| ingress_to_middle_link->construct(); |
| // Init middle to egress link |
| ElectricalModel* middle_to_egress_link = (ElectricalModel*)ModelGen::createModel("SWSRLink", "MiddleToEgressLink", getTechModel()); |
| middle_to_egress_link->setParameter("NumberBits", number_bits_per_flit); |
| middle_to_egress_link->setParameter("CoreDataRate", clock_freq); |
| middle_to_egress_link->setParameter("LinkDataRate", swsr_link_data_rate); |
| middle_to_egress_link->setParameter("LaserType", swsr_laser_type); |
| middle_to_egress_link->setParameter("RingTuningMethod", swsr_ring_tuning_method); |
| middle_to_egress_link->construct(); |
| // Init egress to output link |
| ElectricalModel* egress_to_output_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "EgressToOutputLink", getTechModel()); |
| egress_to_output_link->setParameter("NumberBits", number_bits_per_flit); |
| egress_to_output_link->setParameter("WireLayer", link_wire_layer); |
| egress_to_output_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); |
| egress_to_output_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); |
| egress_to_output_link->construct(); |
| |
| // Connect ports |
| createNet("InputToIngressLink_Out", makeNetIndex(0, number_bits_per_flit - 1)); |
| createNet("InputToIngressLink_In", makeNetIndex(0, number_bits_per_flit - 1)); |
| portConnect(input_to_ingress_link, "In", "InputToIngressLink_In"); |
| portConnect(input_to_ingress_link, "Out", "InputToIngressLink_Out"); |
| |
| createNet("IngressToMiddleLink_In", makeNetIndex(0, number_bits_per_flit - 1)); |
| createNet("IngressToMiddleLink_Out", makeNetIndex(0, number_bits_per_flit - 1)); |
| portConnect(ingress_to_middle_link, "In", "IngressToMiddleLink_In"); |
| portConnect(ingress_to_middle_link, "Out", "IngressToMiddleLink_Out"); |
| |
| createNet("MiddleToEgressLink_In", makeNetIndex(0, number_bits_per_flit - 1)); |
| createNet("MiddleToEgressLink_Out", makeNetIndex(0, number_bits_per_flit - 1)); |
| portConnect(middle_to_egress_link, "In", "MiddleToEgressLink_In"); |
| portConnect(middle_to_egress_link, "Out", "MiddleToEgressLink_Out"); |
| |
| createNet("EgressToOutputLink_In", makeNetIndex(0, number_bits_per_flit - 1)); |
| createNet("EgressToOutputLink_Out", makeNetIndex(0, number_bits_per_flit - 1)); |
| portConnect(egress_to_output_link, "In", "EgressToOutputLink_In"); |
| portConnect(egress_to_output_link, "Out", "EgressToOutputLink_Out"); |
| |
| portConnect(ingress_router, "CK", "CK"); |
| for(unsigned int i = 0; i < ingress_router_number_input_ports; ++i) |
| { |
| createNet("IngressRouter_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); |
| for (unsigned int j = 0; j < number_bits_per_flit; ++j) |
| assignVirtualFanout("IngressRouter_In" + (String)i, makeNetIndex(j), "InputToIngressLink_Out", makeNetIndex(j)); |
| portConnect(ingress_router, "FlitIn" + (String)i, "IngressRouter_In" + (String)i); |
| } |
| for(unsigned int i = 0; i < ingress_router_number_output_ports; ++i) |
| { |
| // VFI |
| portConnect(ingress_router, "FlitOut" + (String)i, "IngressToMiddleLink_In"); |
| } |
| portConnect(middle_router, "CK", "CK"); |
| for(unsigned int i = 0; i < middle_router_number_input_ports; ++i) |
| { |
| createNet("MiddleRouter_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); |
| for (unsigned int j = 0; j < number_bits_per_flit; ++j) |
| assignVirtualFanout("MiddleRouter_In" + (String)i, makeNetIndex(j), "IngressToMiddleLink_Out", makeNetIndex(j)); |
| portConnect(middle_router, "FlitIn" + (String)i, "MiddleRouter_In" + (String)i); |
| } |
| for(unsigned int i = 0; i < middle_router_number_output_ports; ++i) |
| { |
| // VFI |
| portConnect(middle_router, "FlitOut" + (String)i, "MiddleToEgressLink_In"); |
| } |
| portConnect(egress_router, "CK", "CK"); |
| for(unsigned int i = 0; i < egress_router_number_input_ports; ++i) |
| { |
| createNet("EgressRouter_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); |
| for (unsigned int j = 0; j < number_bits_per_flit; ++j) |
| assignVirtualFanout("EgressRouter_In" + (String)i, makeNetIndex(j), "MiddleToEgressLink_Out", makeNetIndex(j)); |
| portConnect(egress_router, "FlitIn" + (String)i, "EgressRouter_In" + (String)i); |
| } |
| for(unsigned int i = 0; i < egress_router_number_output_ports; ++i) |
| { |
| // VFI |
| portConnect(egress_router, "FlitOut" + (String)i, "EgressToOutputLink_In"); |
| } |
| |
| // Create area, power, and event results |
| createElectricalResults(); |
| createElectricalEventResult("AvgUnicast"); |
| createElectricalEventResult("AvgBroadcast"); |
| addNddPowerResult(new Result("Laser")); |
| addNddPowerResult(new Result("RingTuning")); |
| addAreaResult(new Result("Photonic")); |
| |
| // Add all instances |
| addSubInstances(ingress_router, number_ingress_routers); |
| addElectricalSubResults(ingress_router, number_ingress_routers); |
| addSubInstances(middle_router, number_middle_routers); |
| addElectricalSubResults(middle_router, number_middle_routers); |
| addSubInstances(egress_router, number_egress_routers); |
| addElectricalSubResults(egress_router, number_egress_routers); |
| addSubInstances(input_to_ingress_link, number_input_to_ingress_links); |
| addElectricalSubResults(input_to_ingress_link, number_input_to_ingress_links); |
| addSubInstances(ingress_to_middle_link, number_ingress_to_middle_links); |
| addElectricalSubResults(ingress_to_middle_link, number_ingress_to_middle_links); |
| getAreaResult("Photonic")->addSubResult(ingress_to_middle_link->getAreaResult("Photonic"), "IngressToMiddleLink", number_ingress_to_middle_links); |
| getNddPowerResult("Laser")->addSubResult(ingress_to_middle_link->getNddPowerResult("Laser"), "IngressToMiddleLink", number_ingress_to_middle_links); |
| getNddPowerResult("RingTuning")->addSubResult(ingress_to_middle_link->getNddPowerResult("RingTuning"), "IngressToMiddleLink", number_ingress_to_middle_links); |
| addSubInstances(middle_to_egress_link, number_middle_to_egress_links); |
| addElectricalSubResults(middle_to_egress_link, number_middle_to_egress_links); |
| getAreaResult("Photonic")->addSubResult(middle_to_egress_link->getAreaResult("Photonic"), "MiddletoEgressLink", number_middle_to_egress_links); |
| getNddPowerResult("Laser")->addSubResult(middle_to_egress_link->getNddPowerResult("Laser"), "MiddleToEgressLink", number_middle_to_egress_links); |
| getNddPowerResult("RingTuning")->addSubResult(middle_to_egress_link->getNddPowerResult("RingTuning"), "MiddleToEgressLink", number_middle_to_egress_links); |
| addSubInstances(egress_to_output_link, number_egress_to_output_links); |
| addElectricalSubResults(egress_to_output_link, number_egress_to_output_links); |
| |
| // Update unicast event |
| Result* avg_unicast_event = getEventResult("AvgUnicast"); |
| avg_unicast_event->addSubResult(input_to_ingress_link->getEventResult("Send"), "InputToIngressLink", 1.0); |
| if(ingress_router->hasEventResult("WriteBuffer")) |
| { |
| avg_unicast_event->addSubResult(ingress_router->getEventResult("WriteBuffer"), "IngressRouter", 1.0); |
| } |
| if(ingress_router->hasEventResult("ReadBuffer")) |
| { |
| avg_unicast_event->addSubResult(ingress_router->getEventResult("ReadBuffer"), "IngressRouter", 1.0); |
| } |
| avg_unicast_event->addSubResult(ingress_router->getEventResult("TraverseCrossbar->Multicast1"), "IngressRouter", 1.0); |
| avg_unicast_event->addSubResult(ingress_to_middle_link->getEventResult("Send"), "IngressToMiddleLink", 1.0); |
| if(middle_router->hasEventResult("WriteBuffer")) |
| { |
| avg_unicast_event->addSubResult(middle_router->getEventResult("WriteBuffer"), "MiddleRouter", 1.0); |
| } |
| if(middle_router->hasEventResult("ReadBuffer")) |
| { |
| avg_unicast_event->addSubResult(middle_router->getEventResult("ReadBuffer"), "MiddleRouter", 1.0); |
| } |
| avg_unicast_event->addSubResult(middle_router->getEventResult("TraverseCrossbar->Multicast1"), "MiddleRouter", 1.0); |
| avg_unicast_event->addSubResult(middle_to_egress_link->getEventResult("Send"), "MiddleToEgressLink", 1.0); |
| if(egress_router->hasEventResult("WriteBuffer")) |
| { |
| avg_unicast_event->addSubResult(egress_router->getEventResult("WriteBuffer"), "EgressRouter", 1.0); |
| } |
| if(egress_router->hasEventResult("ReadBuffer")) |
| { |
| avg_unicast_event->addSubResult(egress_router->getEventResult("ReadBuffer"), "EgressRouter", 1.0); |
| } |
| avg_unicast_event->addSubResult(egress_router->getEventResult("TraverseCrossbar->Multicast1"), "EgressRouter", 1.0); |
| avg_unicast_event->addSubResult(egress_to_output_link->getEventResult("Send"), "EgressToOutputLink", 1.0); |
| |
| // Update broadcast event |
| Result* avg_broadcast_event = getEventResult("AvgBroadcast"); |
| avg_broadcast_event->addSubResult(input_to_ingress_link->getEventResult("Send"), "InputToIngressLink", 1.0); |
| if(ingress_router->hasEventResult("WriteBuffer")) |
| { |
| avg_broadcast_event->addSubResult(ingress_router->getEventResult("WriteBuffer"), "IngressRouter", 1.0); |
| } |
| if(ingress_router->hasEventResult("ReadBuffer")) |
| { |
| avg_broadcast_event->addSubResult(ingress_router->getEventResult("ReadBuffer"), "IngressRouter", 1.0); |
| } |
| avg_broadcast_event->addSubResult(ingress_router->getEventResult("TraverseCrossbar->Multicast1"), "IngressRouter", 1.0); |
| avg_broadcast_event->addSubResult(ingress_to_middle_link->getEventResult("Send"), "IngressToMiddleLink", 1.0); |
| if(middle_router->hasEventResult("WriteBuffer")) |
| { |
| avg_broadcast_event->addSubResult(middle_router->getEventResult("WriteBuffer"), "MiddleRouter", 1.0); |
| } |
| if(middle_router->hasEventResult("ReadBuffer")) |
| { |
| avg_broadcast_event->addSubResult(middle_router->getEventResult("ReadBuffer"), "MiddleRouter", 1.0); |
| } |
| avg_broadcast_event->addSubResult(middle_router->getEventResult("TraverseCrossbar->Multicast1"), "MiddleRouter", 1.0); |
| avg_broadcast_event->addSubResult(middle_to_egress_link->getEventResult("Send"), "MiddleToEgressLink", number_egress_routers); |
| if(egress_router->hasEventResult("WriteBuffer")) |
| { |
| avg_broadcast_event->addSubResult(egress_router->getEventResult("WriteBuffer"), "EgressRouter", number_egress_routers); |
| } |
| if(egress_router->hasEventResult("ReadBuffer")) |
| { |
| avg_broadcast_event->addSubResult(egress_router->getEventResult("ReadBuffer"), "EgressRouter", number_egress_routers); |
| } |
| avg_broadcast_event->addSubResult(egress_router->getEventResult("TraverseCrossbar->Multicast" + (String)number_egress_routers), "EgressRouter", 1.0); |
| avg_broadcast_event->addSubResult(egress_to_output_link->getEventResult("Send"), "EgressToOutputLink", number_output_sites); |
| return; |
| } |
| |
| void PhotonicClos::updateModel() |
| { |
| // Assumes waveguide runs adjacent to ingress and egress routers |
| // Assumes input sites belonging to each ingress router are centered around the ingress router |
| // Assumes middle routers are distributed around the chip adjacent to the main waveguide |
| // Assumes output sites belonging to each egress router are centered around the egress router |
| |
| // Get properties |
| double input_site_pitch = getProperty("InputSitePitch").toDouble(); |
| double output_site_pitch = getProperty("OutputSitePitch").toDouble(); |
| double clock_freq = getParameter("Frequency"); |
| const double swsr_opt_util = getProperty("SWSR->OptUtil"); |
| |
| ASSERT(input_site_pitch > 0, "[Error] " + getInstanceName() + |
| " -> Input site pitch must be > 0!"); |
| ASSERT(output_site_pitch > 0, "[Error] " + getInstanceName() + |
| " -> Output site pitch must be > 0!"); |
| |
| unsigned int number_input_sites_per_ingress_router = getGenProperties()->get("NumberInputSitesPerIngressRouter"); |
| unsigned int number_ingress_routers = getParameter("NumberIngressRouters"); |
| unsigned int number_output_sites_per_egress_router = getGenProperties()->get("NumberOutputSitesPerEgressRouter"); |
| unsigned int number_egress_routers = getParameter("NumberEgressRouters"); |
| double delay = 1.0 / clock_freq; |
| |
| //Calculate the length of the waveguide |
| double input_to_ingress_link_length = input_site_pitch * (sqrt(number_input_sites_per_ingress_router) - 1.0); |
| double input_to_ingress_link_delay = delay * 0.8; |
| double ingress_to_middle_link_length = input_site_pitch * (sqrt(number_input_sites_per_ingress_router) * number_ingress_routers); |
| double middle_to_egress_link_length = output_site_pitch * (sqrt(number_output_sites_per_egress_router) * number_egress_routers); |
| double egress_to_output_link_length = output_site_pitch * (sqrt(number_output_sites_per_egress_router) - 1.0); |
| double egress_to_output_link_delay = delay * 0.8; |
| double ingress_router_delay = delay; |
| double middle_router_delay = delay; |
| double egress_router_delay = delay; |
| |
| Model* input_to_ingress_link = getSubInstance("InputToIngressLink"); |
| input_to_ingress_link->setProperty("WireLength", input_to_ingress_link_length); |
| input_to_ingress_link->setProperty("Delay", input_to_ingress_link_delay); |
| input_to_ingress_link->setProperty("IsKeepParity", "TRUE"); |
| input_to_ingress_link->update(); |
| |
| Model* ingress_to_middle_link = getSubInstance("IngressToMiddleLink"); |
| ingress_to_middle_link->setProperty("Length", ingress_to_middle_link_length); |
| ingress_to_middle_link->setProperty("OptUtil", swsr_opt_util); |
| ingress_to_middle_link->update(); |
| |
| Model* middle_to_egress_link = getSubInstance("MiddleToEgressLink"); |
| middle_to_egress_link->setProperty("Length", middle_to_egress_link_length); |
| middle_to_egress_link->setProperty("OptUtil", swsr_opt_util); |
| middle_to_egress_link->update(); |
| |
| Model* egress_to_output_link = getSubInstance("EgressToOutputLink"); |
| egress_to_output_link->setProperty("WireLength", egress_to_output_link_length); |
| egress_to_output_link->setProperty("Delay", egress_to_output_link_delay); |
| egress_to_output_link->setProperty("IsKeepParity", "TRUE"); |
| egress_to_output_link->update(); |
| |
| ElectricalModel* ingress_router = (ElectricalModel*)getSubInstance("IngressRouter"); |
| ingress_router->update(); |
| ElectricalTimingTree ingress_router_timing_tree("IngressRouter", ingress_router); |
| ingress_router_timing_tree.performTimingOpt(ingress_router->getNet("CK"), ingress_router_delay); |
| |
| ElectricalModel* middle_router = (ElectricalModel*)getSubInstance("MiddleRouter"); |
| middle_router->update(); |
| ElectricalTimingTree middle_router_timing_tree("MiddleRouter", middle_router); |
| middle_router_timing_tree.performTimingOpt(middle_router->getNet("CK"), middle_router_delay); |
| |
| ElectricalModel* egress_router = (ElectricalModel*)getSubInstance("EgressRouter"); |
| egress_router->update(); |
| ElectricalTimingTree egress_router_timing_tree("EgressRouter", egress_router); |
| egress_router_timing_tree.performTimingOpt(egress_router->getNet("CK"), egress_router_delay); |
| |
| return; |
| } |
| |
| void PhotonicClos::propagateTransitionInfo() |
| { |
| // Get parameters |
| double clock_freq = getParameter("Frequency"); |
| double swsr_link_data_rate = getParameter("SWSR->LinkDataRate"); |
| |
| // Get properties |
| unsigned int ingress_router_number_input_ports = getGenProperties()->get("IngressRouter->NumberInputPorts"); |
| unsigned int middle_router_number_input_ports = getGenProperties()->get("MiddleRouter->NumberInputPorts"); |
| unsigned int egress_router_number_input_ports = getGenProperties()->get("EgressRouter->NumberInputPorts"); |
| |
| ElectricalModel* input_to_ingress_link = (ElectricalModel*)getSubInstance("InputToIngressLink"); |
| assignPortTransitionInfo(input_to_ingress_link, "In", TransitionInfo(0.25, 0.25, 0.25)); |
| input_to_ingress_link->use(); |
| |
| ElectricalModel* ingress_to_middle_link = (ElectricalModel*)getSubInstance("IngressToMiddleLink"); |
| assignPortTransitionInfo(ingress_to_middle_link, "LinkCK", TransitionInfo(0.0, (double) clock_freq / (swsr_link_data_rate * 2.0), 0.0)); |
| assignPortTransitionInfo(ingress_to_middle_link, "In", TransitionInfo(0.25, 0.25, 0.25)); |
| ingress_to_middle_link->use(); |
| |
| ElectricalModel* middle_to_egress_link = (ElectricalModel*)getSubInstance("MiddleToEgressLink"); |
| assignPortTransitionInfo(middle_to_egress_link, "LinkCK", TransitionInfo(0.0, (double) clock_freq / (swsr_link_data_rate * 2.0), 0.0)); |
| assignPortTransitionInfo(middle_to_egress_link, "In", TransitionInfo(0.25, 0.25, 0.25)); |
| middle_to_egress_link->use(); |
| |
| ElectricalModel* egress_to_output_link = (ElectricalModel*)getSubInstance("EgressToOutputLink"); |
| assignPortTransitionInfo(egress_to_output_link, "In", TransitionInfo(0.25, 0.25, 0.25)); |
| egress_to_output_link->use(); |
| |
| ElectricalModel* ingress_router = (ElectricalModel*)getSubInstance("IngressRouter"); |
| for(unsigned int i = 0; i < ingress_router_number_input_ports; ++i) |
| { |
| assignPortTransitionInfo(ingress_router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); |
| } |
| assignPortTransitionInfo(ingress_router, "CK", TransitionInfo(0.0, 1.0, 0.0)); |
| ingress_router->getGenProperties()->set("UseModelEvent", ""); |
| ingress_router->use(); |
| |
| ElectricalModel* middle_router = (ElectricalModel*)getSubInstance("MiddleRouter"); |
| for(unsigned int i = 0; i < middle_router_number_input_ports; ++i) |
| { |
| assignPortTransitionInfo(middle_router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); |
| } |
| assignPortTransitionInfo(middle_router, "CK", TransitionInfo(0.0, 1.0, 0.0)); |
| middle_router->getGenProperties()->set("UseModelEvent", ""); |
| middle_router->use(); |
| |
| ElectricalModel* egress_router = (ElectricalModel*)getSubInstance("EgressRouter"); |
| for(unsigned int i = 0; i < egress_router_number_input_ports; ++i) |
| { |
| assignPortTransitionInfo(egress_router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); |
| } |
| assignPortTransitionInfo(egress_router, "CK", TransitionInfo(0.0, 1.0, 0.0)); |
| egress_router->getGenProperties()->set("UseModelEvent", ""); |
| egress_router->use(); |
| |
| return; |
| } |
| } // namespace DSENT |
| |
