diff options
Diffstat (limited to 'ext/dsent/model/network')
| -rw-r--r-- | ext/dsent/model/network/ElectricalClos.cc | 489 | ||||
| -rw-r--r-- | ext/dsent/model/network/ElectricalClos.h | 37 | ||||
| -rw-r--r-- | ext/dsent/model/network/ElectricalMesh.cc | 296 | ||||
| -rw-r--r-- | ext/dsent/model/network/ElectricalMesh.h | 37 | ||||
| -rw-r--r-- | ext/dsent/model/network/PhotonicClos.cc | 512 | ||||
| -rw-r--r-- | ext/dsent/model/network/PhotonicClos.h | 37 |
6 files changed, 1408 insertions, 0 deletions
diff --git a/ext/dsent/model/network/ElectricalClos.cc b/ext/dsent/model/network/ElectricalClos.cc new file mode 100644 index 000000000..94781d886 --- /dev/null +++ b/ext/dsent/model/network/ElectricalClos.cc @@ -0,0 +1,489 @@ +#include "model/network/ElectricalClos.h" + +#include <cmath> + +#include "model/ModelGen.h" +#include "model/timing_graph/ElectricalTimingTree.h" +#include "model/timing_graph/ElectricalNet.h" + +namespace DSENT +{ + using std::sqrt; + + ElectricalClos::ElectricalClos(const String& instance_name_, const TechModel* tech_model_) + : ElectricalModel(instance_name_, tech_model_) + { + initParameters(); + initProperties(); + } + + ElectricalClos::~ElectricalClos() + {} + + void ElectricalClos::initParameters() + { + // Frequency + addParameterName("Frequency"); + // Physical Parameters + addParameterName("NumberInputSites"); + addParameterName("NumberOutputSites"); + addParameterName("NumberBitsPerFlit"); + // Number of each type of routers + addParameterName("NumberIngressRouters"); + addParameterName("NumberMiddleRouters"); + addParameterName("NumberEgressRouters"); + // 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 ElectricalClos::initProperties() + { + addPropertyName("InputSitePitch"); + addPropertyName("OutputSitePitch"); + return; + } + + ElectricalClos* ElectricalClos::clone() const + { + // TODO + return NULL; + } + + void ElectricalClos::constructModel() + { + // Get input parameters + 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(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& 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("RepeatedLink", "IngressToMiddleLink", getTechModel()); + ingress_to_middle_link->setParameter("NumberBits", number_bits_per_flit); + ingress_to_middle_link->setParameter("WireLayer", link_wire_layer); + ingress_to_middle_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); + ingress_to_middle_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); + ingress_to_middle_link->construct(); + // Init middle to egress link + ElectricalModel* middle_to_egress_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "MiddleToEgressLink", getTechModel()); + middle_to_egress_link->setParameter("NumberBits", number_bits_per_flit); + middle_to_egress_link->setParameter("WireLayer", link_wire_layer); + middle_to_egress_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); + middle_to_egress_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); + 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"); + + // 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); + addSubInstances(middle_to_egress_link, number_middle_to_egress_links); + addElectricalSubResults(middle_to_egress_link, 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 ElectricalClos::updateModel() + { + // Get properties + double input_site_pitch = getProperty("InputSitePitch").toDouble(); + double output_site_pitch = getProperty("OutputSitePitch").toDouble(); + double clock_freq = getParameter("Frequency"); + + 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!"); + ASSERT(clock_freq > 0, "[Error] " + getInstanceName() + + " -> Clock frequency 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; + + 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) * sqrt(number_ingress_routers)); + double ingress_to_middle_link_delay = delay * 0.8; + double middle_to_egress_link_length = output_site_pitch * (sqrt(number_output_sites_per_egress_router) * sqrt(number_egress_routers)); + double middle_to_egress_link_delay = delay * 0.8; + 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("WireLength", ingress_to_middle_link_length); + ingress_to_middle_link->setProperty("Delay", ingress_to_middle_link_delay); + ingress_to_middle_link->setProperty("IsKeepParity", "TRUE"); + ingress_to_middle_link->update(); + + Model* middle_to_egress_link = getSubInstance("MiddleToEgressLink"); + middle_to_egress_link->setProperty("WireLength", middle_to_egress_link_length); + middle_to_egress_link->setProperty("Delay", middle_to_egress_link_delay); + middle_to_egress_link->setProperty("IsKeepParity", "TRUE"); + 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 ElectricalClos::propagateTransitionInfo() + { + // 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, "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, "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 + diff --git a/ext/dsent/model/network/ElectricalClos.h b/ext/dsent/model/network/ElectricalClos.h new file mode 100644 index 000000000..c6a1f8063 --- /dev/null +++ b/ext/dsent/model/network/ElectricalClos.h @@ -0,0 +1,37 @@ +#ifndef __DSENT_MODEL_NETWORK_ELECTRICAL_CLOS_H__ +#define __DSENT_MODEL_NETWORK_ELECTRICAL_CLOS_H__ + +#include "util/CommonType.h" +#include "model/ElectricalModel.h" + +namespace DSENT +{ + /** + * \brief An electrical 3-stage clos network + */ + class ElectricalClos : public ElectricalModel + { + public: + ElectricalClos(const String& instance_name_, const TechModel* tech_model_); + virtual ~ElectricalClos(); + + public: + // Set a list of properties' name needed to construct model + void initParameters(); + // Set a list of properties' name needed to construct model + void initProperties(); + + // Clone and return a new instance + virtual ElectricalClos* clone() const; + + protected: + // Build the model + virtual void constructModel(); + virtual void updateModel(); + virtual void propagateTransitionInfo(); + + }; +} // namespace DSENT + +#endif // __DSENT_MODEL_NETWORK_ELECTRICAL_CLOS_H__ + diff --git a/ext/dsent/model/network/ElectricalMesh.cc b/ext/dsent/model/network/ElectricalMesh.cc new file mode 100644 index 000000000..5ad544eb5 --- /dev/null +++ b/ext/dsent/model/network/ElectricalMesh.cc @@ -0,0 +1,296 @@ +#include "model/network/ElectricalMesh.h" + +#include <cmath> + +#include "model/PortInfo.h" +#include "model/EventInfo.h" +#include "model/TransitionInfo.h" +#include "model/ModelGen.h" +#include "model/std_cells/StdCellLib.h" +#include "model/timing_graph/ElectricalTimingTree.h" +#include "model/timing_graph/ElectricalNet.h" + +namespace DSENT +{ + using std::sqrt; + + ElectricalMesh::ElectricalMesh(const String& instance_name_, const TechModel* tech_model_) + : ElectricalModel(instance_name_, tech_model_) + { + initParameters(); + initProperties(); + } + + ElectricalMesh::~ElectricalMesh() + {} + + void ElectricalMesh::initParameters() + { + // Clock Frequency + addParameterName("Frequency"); + // Physical Parameters + addParameterName("NumberSites"); + addParameterName("NumberBitsPerFlit"); + // Concentration factor + addParameterName("NumberSitesPerRouter"); + // 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 ElectricalMesh::initProperties() + { + addPropertyName("SitePitch"); + return; + } + + ElectricalMesh* ElectricalMesh::clone() const + { + // TODO + return NULL; + } + + void ElectricalMesh::constructModel() + { + // Get input paramters + unsigned int number_sites = getParameter("NumberSites").toUInt(); + unsigned int number_bits_per_flit = getParameter("NumberBitsPerFlit").toUInt(); + unsigned int number_sites_per_router = getParameter("NumberSitesPerRouter").toUInt(); + + ASSERT(number_sites > 0, "[Error] " + getInstanceName() + + " -> Number of sites must be > 0!"); + ASSERT(number_bits_per_flit > 0, "[Error] " + getInstanceName() + + " -> Number of bits per flit must be > 0!"); + ASSERT(number_sites_per_router > 0, "[Error] " + getInstanceName() + + " -> Number of sites per router must be > 0!"); + + // Get input parameters that will be forwarded to the sub instances + 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& 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 number_routers = number_sites / number_sites_per_router; + unsigned int number_router_to_router_links = 4 * number_routers; + unsigned int number_router_to_site_links = 2 * number_sites; + unsigned int router_number_input_ports = 4 + number_sites_per_router; + unsigned int router_number_output_ports = 4 + number_sites_per_router; + + getGenProperties()->set("NumberRouters", number_routers); + getGenProperties()->set("NumberRouterToRouterLinks", number_router_to_router_links); + getGenProperties()->set("NumberRouterToSiteLinks", number_router_to_site_links); + getGenProperties()->set("Router->NumberInputPorts", router_number_input_ports); + getGenProperties()->set("Router->NumberOutputPorts", router_number_output_ports); + + // Create ports + createInputPort("CK"); + + // Init mesh routers + ElectricalModel* router = (ElectricalModel*)ModelGen::createModel("Router", "MeshRouter", getTechModel()); + router->setParameter("NumberInputPorts", router_number_input_ports); + router->setParameter("NumberOutputPorts", router_number_output_ports); + router->setParameter("NumberVirtualNetworks", router_number_vns); + router->setParameter("NumberVirtualChannelsPerVirtualNetwork", router_number_vcs_per_vn); + router->setParameter("NumberBuffersPerVirtualChannel", router_number_bufs_per_vc); + router->setParameter("NumberBitsPerFlit", number_bits_per_flit); + router->setParameter("InputPort->BufferModel", getParameter("Router->InputPort->BufferModel")); + router->setParameter("CrossbarModel", getParameter("Router->CrossbarModel")); + router->setParameter("SwitchAllocator->ArbiterModel", getParameter("Router->SwitchAllocator->ArbiterModel")); + router->setParameter("ClockTreeModel", getParameter("Router->ClockTreeModel")); + router->setParameter("ClockTree->NumberLevels", getParameter("Router->ClockTree->NumberLevels")); + router->setParameter("ClockTree->WireLayer", getParameter("Router->ClockTree->WireLayer")); + router->setParameter("ClockTree->WireWidthMultiplier", getParameter("Router->ClockTree->WireWidthMultiplier")); + router->setParameter("ClockTree->WireSpacingMultiplier", getParameter("Router->ClockTree->WireSpacingMultiplier")); + router->construct(); + + // Init router to router links + ElectricalModel* rr_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "RouterToRouterLink", getTechModel()); + rr_link->setParameter("NumberBits", number_bits_per_flit); + rr_link->setParameter("WireLayer", link_wire_layer); + rr_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); + rr_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); + rr_link->construct(); + + // Init router to site links + ElectricalModel* rs_link = (ElectricalModel*)ModelGen::createModel("RepeatedLink", "RouterToSiteLink", getTechModel()); + rs_link->setParameter("NumberBits", number_bits_per_flit); + rs_link->setParameter("WireLayer", link_wire_layer); + rs_link->setParameter("WireWidthMultiplier", link_wire_width_multiplier); + rs_link->setParameter("WireSpacingMultiplier", link_wire_spacing_multiplier); + rs_link->construct(); + + // Connect ports + createNet("RR_Link_Out", makeNetIndex(0, number_bits_per_flit-1)); + createNet("RR_Link_In", makeNetIndex(0, number_bits_per_flit-1)); + portConnect(rr_link, "In", "RR_Link_In"); + portConnect(rr_link, "Out", "RR_Link_Out"); + + createNet("RS_Link_Out", makeNetIndex(0, number_bits_per_flit-1)); + createNet("RS_Link_In", makeNetIndex(0, number_bits_per_flit-1)); + portConnect(rs_link, "In", "RS_Link_In"); + portConnect(rs_link, "Out", "RS_Link_Out"); + + portConnect(router, "CK", "CK"); + for(unsigned int i = 0; i < router_number_input_ports; ++i) + { + createNet("Router_In" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); + portConnect(router, "FlitIn" + (String)i, "Router_In" + (String)i); + } + for(unsigned int i = 0; i < router_number_output_ports; ++i) + { + createNet("Router_Out" + (String)i, makeNetIndex(0, number_bits_per_flit-1)); + portConnect(router, "FlitOut" + (String)i, "Router_Out" + (String)i); + } + for(unsigned int i = 0; i < number_bits_per_flit; ++i) + { + for(unsigned int j = 0; j < 4; ++j) + { + assignVirtualFanout("Router_In" + (String)j, makeNetIndex(i), "RR_Link_Out", makeNetIndex(i)); + assignVirtualFanin("RR_Link_In", makeNetIndex(i), "Router_Out" + (String)j, makeNetIndex(i)); + } + for(unsigned int j = 4; j < router_number_input_ports; ++j) + { + assignVirtualFanout("Router_In" + (String)j, makeNetIndex(i), "RS_Link_Out", makeNetIndex(i)); + assignVirtualFanin("RS_Link_In", makeNetIndex(i), "Router_Out" + (String)j, makeNetIndex(i)); + } + } + + // Create area, power and event results + createElectricalResults(); + createElectricalEventResult("AvgUnicast"); + createElectricalEventResult("AvgBroadcast"); + + // Add all instances + addSubInstances(router, number_routers); + addElectricalSubResults(router, number_routers); + addSubInstances(rr_link, number_router_to_router_links); + addElectricalSubResults(rr_link, number_router_to_router_links); + addSubInstances(rs_link, number_router_to_site_links); + addElectricalSubResults(rs_link, number_router_to_site_links); + + double number_routers_per_side = sqrt(number_routers); + + // Update unicast event + double avg_number_unicast_hop = 2.0 * number_routers_per_side / 3.0; + double avg_number_unicast_rr_links_traveled = avg_number_unicast_hop; + double avg_number_unicast_rs_links_traveled = 2.0; + double avg_number_unicast_router_traveled = avg_number_unicast_hop + 1.0; + Result* avg_unicast_flit = getEventResult("AvgUnicast"); + avg_unicast_flit->addSubResult(rr_link->getEventResult("Send"), "RouterToRouterLink", avg_number_unicast_rr_links_traveled); + avg_unicast_flit->addSubResult(rs_link->getEventResult("Send"), "RouterToSiteLink", avg_number_unicast_rs_links_traveled); + if(router->hasEventResult("WriteBuffer")) + { + avg_unicast_flit->addSubResult(router->getEventResult("WriteBuffer"), "MeshRouter", avg_number_unicast_router_traveled); + } + if(router->hasEventResult("ReadBuffer")) + { + avg_unicast_flit->addSubResult(router->getEventResult("ReadBuffer"), "MeshRouter", avg_number_unicast_router_traveled); + } + avg_unicast_flit->addSubResult(router->getEventResult("TraverseCrossbar->Multicast1"), "MeshRouter", avg_number_unicast_router_traveled); + + // Update broadcast event + double avg_number_broadcast_rr_links_traveled = (number_routers_per_side - 1.0) * number_routers_per_side + number_routers_per_side - 1.0; + double avg_number_broadcast_rs_links_traveled = number_sites; + double avg_number_broadcast_router_crossbar_traveled = number_routers * (number_sites_per_router + 1.0) - 2.0; + Result* avg_broadcast_flit = getEventResult("AvgBroadcast"); + avg_broadcast_flit->addSubResult(rr_link->getEventResult("Send"), "RouterToRouterLink", avg_number_broadcast_rr_links_traveled); + avg_broadcast_flit->addSubResult(rs_link->getEventResult("Send"), "RouterToSiteLink", avg_number_broadcast_rs_links_traveled); + if(router->hasEventResult("WriteBuffer")) + { + avg_broadcast_flit->addSubResult(router->getEventResult("WriteBuffer"), "MeshRouter", number_routers); + } + if(router->hasEventResult("ReadBuffer")) + { + avg_broadcast_flit->addSubResult(router->getEventResult("ReadBuffer"), "MeshRouter", number_routers); + } + avg_broadcast_flit->addSubResult(router->getEventResult("TraverseCrossbar->Multicast1"), "MeshRouter", avg_number_broadcast_router_crossbar_traveled); + + return; + } + + void ElectricalMesh::updateModel() + { + // Get properties + double site_pitch = getProperty("SitePitch").toDouble(); + double clock_freq = getParameter("Frequency"); + + ASSERT(site_pitch > 0, "[Error] " + getInstanceName() + + " -> Site pitch must be > 0!"); + ASSERT(clock_freq > 0, "[Error] " + getInstanceName() + + " -> Clock frequency must be > 0!"); + + unsigned int number_sites_per_router = getParameter("NumberSitesPerRouter"); + // Get margin on link delays, since there are registers before and after the link + double delay_ck_to_q = getTechModel()->getStdCellLib()->getStdCellCache()->get("DFFQ_X1->Delay->CK_to_Q"); + double delay_setup = getTechModel()->getStdCellLib()->getStdCellCache()->get("DFFQ_X1->Delay->CK_to_Q"); + double link_delay_margin = (delay_ck_to_q + delay_setup) * 1.5; + + double rr_link_length = site_pitch * sqrt(number_sites_per_router); + double rr_link_delay = std::max(1e-99, 1.0 / clock_freq - link_delay_margin); + double rs_link_length = site_pitch * (sqrt(number_sites_per_router) - 1.0); + double rs_link_delay = std::max(1e-99, 1.0 / clock_freq - link_delay_margin ); + double router_delay = 1.0 / clock_freq; + + Model* rr_link = getSubInstance("RouterToRouterLink"); + rr_link->setProperty("WireLength", rr_link_length); + rr_link->setProperty("Delay", rr_link_delay); + rr_link->setProperty("IsKeepParity", "TRUE"); + rr_link->update(); + + Model* rs_link = getSubInstance("RouterToSiteLink"); + rs_link->setProperty("WireLength", rs_link_length); + rs_link->setProperty("Delay", rs_link_delay); + rs_link->setProperty("IsKeepParity", "TRUE"); + rs_link->update(); + + ElectricalModel* router = (ElectricalModel*)getSubInstance("MeshRouter"); + router->update(); + + ElectricalTimingTree router_timing_tree("MeshRouter", router); + router_timing_tree.performTimingOpt(router->getNet("CK"), router_delay); + return; + } + + void ElectricalMesh::propagateTransitionInfo() + { + // Get parameters + unsigned int router_number_input_ports = getGenProperties()->get("Router->NumberInputPorts"); + + ElectricalModel* rr_link = (ElectricalModel*)getSubInstance("RouterToRouterLink"); + assignPortTransitionInfo(rr_link, "In", TransitionInfo(0.25, 0.25, 0.25)); + rr_link->use(); + + ElectricalModel* rs_link = (ElectricalModel*)getSubInstance("RouterToSiteLink"); + assignPortTransitionInfo(rs_link, "In", TransitionInfo(0.25, 0.25, 0.25)); + rs_link->use(); + + ElectricalModel* router = (ElectricalModel*)getSubInstance("MeshRouter"); + for(unsigned int i = 0; i < router_number_input_ports; ++i) + { + assignPortTransitionInfo(router, "FlitIn" + (String)i, TransitionInfo(0.25, 0.25, 0.25)); + } + assignPortTransitionInfo(router, "CK", TransitionInfo(0.0, 1.0, 0.0)); + router->getGenProperties()->set("UseModelEvent", ""); + router->use(); + + return; + } +} // namespace DSENT + diff --git a/ext/dsent/model/network/ElectricalMesh.h b/ext/dsent/model/network/ElectricalMesh.h new file mode 100644 index 000000000..de89a8f80 --- /dev/null +++ b/ext/dsent/model/network/ElectricalMesh.h @@ -0,0 +1,37 @@ +#ifndef __DSENT_MODEL_NETWORK_ELECTRICAL_MESH_H__ +#define __DSENT_MODEL_NETWORK_ELECTRICAL_MESH_H__ + +#include "util/CommonType.h" +#include "model/ElectricalModel.h" + +namespace DSENT +{ + /** + * \brief An electrical mesh network + */ + class ElectricalMesh : public ElectricalModel + { + public: + ElectricalMesh(const String& instance_name_, const TechModel* tech_model_); + virtual ~ElectricalMesh(); + + public: + // Set a list of properties' name needed to construct model + void initParameters(); + // Set a list of properties' name needed to construct model + void initProperties(); + + // Clone and return a new instance + virtual ElectricalMesh* clone() const; + + protected: + // Build the model + virtual void constructModel(); + virtual void updateModel(); + virtual void propagateTransitionInfo(); + + }; // class ElectricalMesh +} // namespace DSENT + +#endif // __DSENT_MODEL_NETWORK_ELECTRICAL_MESH_H__ + diff --git a/ext/dsent/model/network/PhotonicClos.cc b/ext/dsent/model/network/PhotonicClos.cc new file mode 100644 index 000000000..1b0868ebc --- /dev/null +++ b/ext/dsent/model/network/PhotonicClos.cc @@ -0,0 +1,512 @@ +#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 + diff --git a/ext/dsent/model/network/PhotonicClos.h b/ext/dsent/model/network/PhotonicClos.h new file mode 100644 index 000000000..814885dd7 --- /dev/null +++ b/ext/dsent/model/network/PhotonicClos.h @@ -0,0 +1,37 @@ +#ifndef __DSENT_MODEL_NETWORK_PHOTONIC_CLOS_H__ +#define __DSENT_MODEL_NETWORK_PHOTONIC_CLOS_H__ + +#include "util/CommonType.h" +#include "model/ElectricalModel.h" + +namespace DSENT +{ + /** + * \brief An 3-stage clos network implemented with photonic router-to-router links + */ + class PhotonicClos : public ElectricalModel + { + public: + PhotonicClos(const String& instance_name_, const TechModel* tech_model_); + virtual ~PhotonicClos(); + + public: + // Set a list of properties' name needed to construct model + void initParameters(); + // Set a list of properties' name needed to construct model + void initProperties(); + + // Clone and return a new instance + virtual PhotonicClos* clone() const; + + protected: + // Build the model + virtual void constructModel(); + virtual void updateModel(); + virtual void propagateTransitionInfo(); + + }; +} // namespace DSENT + +#endif // __DSENT_MODEL_NETWORK_PHOTONIC_CLOS_H__ + |