SWMRLink.cc revision 10447
110447Snilay@cs.wisc.edu#include "model/optical/SWMRLink.h" 210447Snilay@cs.wisc.edu 310447Snilay@cs.wisc.edu#include "model/PortInfo.h" 410447Snilay@cs.wisc.edu#include "model/TransitionInfo.h" 510447Snilay@cs.wisc.edu#include "model/EventInfo.h" 610447Snilay@cs.wisc.edu#include "model/optical_graph/OpticalGraph.h" 710447Snilay@cs.wisc.edu#include "model/optical_graph/OpticalWaveguide.h" 810447Snilay@cs.wisc.edu#include "model/optical/RingModulator.h" 910447Snilay@cs.wisc.edu#include "model/optical/RingFilter.h" 1010447Snilay@cs.wisc.edu#include "model/optical/RingDetector.h" 1110447Snilay@cs.wisc.edu#include "model/optical/LaserSource.h" 1210447Snilay@cs.wisc.edu#include "model/optical/ThrottledLaserSource.h" 1310447Snilay@cs.wisc.edu 1410447Snilay@cs.wisc.edunamespace DSENT 1510447Snilay@cs.wisc.edu{ 1610447Snilay@cs.wisc.edu SWMRLink::SWMRLink(const String& instance_name_, const TechModel* tech_model_) 1710447Snilay@cs.wisc.edu : OpticalModel(instance_name_, tech_model_) 1810447Snilay@cs.wisc.edu { 1910447Snilay@cs.wisc.edu initParameters(); 2010447Snilay@cs.wisc.edu initProperties(); 2110447Snilay@cs.wisc.edu } 2210447Snilay@cs.wisc.edu 2310447Snilay@cs.wisc.edu SWMRLink::~SWMRLink() 2410447Snilay@cs.wisc.edu {} 2510447Snilay@cs.wisc.edu 2610447Snilay@cs.wisc.edu void SWMRLink::initParameters() 2710447Snilay@cs.wisc.edu { 2810447Snilay@cs.wisc.edu addParameterName("NumberReaders"); 2910447Snilay@cs.wisc.edu addParameterName("NumberWavelengths"); 3010447Snilay@cs.wisc.edu addParameterName("DataRate"); 3110447Snilay@cs.wisc.edu addParameterName("LaserType"); 3210447Snilay@cs.wisc.edu addParameterName("MaxReaders"); 3310447Snilay@cs.wisc.edu addParameterName("MinReaders"); 3410447Snilay@cs.wisc.edu addParameterName("OptimizeLoss", "TRUE"); 3510447Snilay@cs.wisc.edu return; 3610447Snilay@cs.wisc.edu } 3710447Snilay@cs.wisc.edu 3810447Snilay@cs.wisc.edu void SWMRLink::initProperties() 3910447Snilay@cs.wisc.edu { 4010447Snilay@cs.wisc.edu addPropertyName("Length"); 4110447Snilay@cs.wisc.edu addPropertyName("OptUtil", 0.5); // default to 50% utilization (a new word 50% of the time) 4210447Snilay@cs.wisc.edu addPropertyName("ExtinctionRatio", 6); // default properties 4310447Snilay@cs.wisc.edu addPropertyName("InsertionLoss", 2); // default properties 4410447Snilay@cs.wisc.edu return; 4510447Snilay@cs.wisc.edu } 4610447Snilay@cs.wisc.edu 4710447Snilay@cs.wisc.edu void SWMRLink::constructModel() 4810447Snilay@cs.wisc.edu { 4910447Snilay@cs.wisc.edu // Get parameters 5010447Snilay@cs.wisc.edu unsigned int number_wavelengths = getParameter("NumberWavelengths"); 5110447Snilay@cs.wisc.edu unsigned int number_readers = getParameter("NumberReaders"); 5210447Snilay@cs.wisc.edu unsigned int number_max_readers = std::min(number_readers, getParameter("MaxReaders").toUInt()); 5310447Snilay@cs.wisc.edu unsigned int number_min_readers = std::min(number_max_readers, getParameter("MinReaders").toUInt()); 5410447Snilay@cs.wisc.edu 5510447Snilay@cs.wisc.edu // Create electrical ports 5610447Snilay@cs.wisc.edu createInputPort("CK"); 5710447Snilay@cs.wisc.edu createInputPort("In", makeNetIndex(0, number_wavelengths-1)); 5810447Snilay@cs.wisc.edu for (unsigned int i = 0; i < number_readers; ++i) 5910447Snilay@cs.wisc.edu createOutputPort("Out" + (String) i, makeNetIndex(0, number_wavelengths-1)); 6010447Snilay@cs.wisc.edu 6110447Snilay@cs.wisc.edu // Create Waveguides 6210447Snilay@cs.wisc.edu // Temporarily assume its all on one waveguide 6310447Snilay@cs.wisc.edu createWaveguide("LaserToMod", makeWavelengthGroup(0, number_wavelengths-1)); 6410447Snilay@cs.wisc.edu for (unsigned int i = 0; i <= number_readers; ++i) 6510447Snilay@cs.wisc.edu createWaveguide("WaveguideSegment[" + (String) i + "]", makeWavelengthGroup(0, number_wavelengths-1)); 6610447Snilay@cs.wisc.edu 6710447Snilay@cs.wisc.edu // Add area results 6810447Snilay@cs.wisc.edu addAreaResult(new Result("Photonic")); 6910447Snilay@cs.wisc.edu createElectricalResults(); 7010447Snilay@cs.wisc.edu // Setup idle event 7110447Snilay@cs.wisc.edu getEventInfo("Idle")->setStaticTransitionInfos(); 7210447Snilay@cs.wisc.edu // Create a waveguide area result 7310447Snilay@cs.wisc.edu addAreaResult(new AtomicResult("Waveguide")); 7410447Snilay@cs.wisc.edu getAreaResult("Photonic")->addSubResult(getAreaResult("Waveguide"), "Waveguide", 1.0); 7510447Snilay@cs.wisc.edu // Add results 7610447Snilay@cs.wisc.edu addNddPowerResult(new Result("Laser")); 7710447Snilay@cs.wisc.edu // Add event result 7810447Snilay@cs.wisc.edu createElectricalEventResult("BroadcastFlit"); 7910447Snilay@cs.wisc.edu 8010447Snilay@cs.wisc.edu for (unsigned int i = number_min_readers; i <= number_max_readers; ++i) 8110447Snilay@cs.wisc.edu createElectricalEventResult("MulticastFlit" + (String) i); 8210447Snilay@cs.wisc.edu 8310447Snilay@cs.wisc.edu buildLaser(); 8410447Snilay@cs.wisc.edu buildModulator(); 8510447Snilay@cs.wisc.edu buildDetectors(); 8610447Snilay@cs.wisc.edu 8710447Snilay@cs.wisc.edu return; 8810447Snilay@cs.wisc.edu } 8910447Snilay@cs.wisc.edu 9010447Snilay@cs.wisc.edu void SWMRLink::updateModel() 9110447Snilay@cs.wisc.edu { 9210447Snilay@cs.wisc.edu // Get parameters 9310447Snilay@cs.wisc.edu double data_rate = getParameter("DataRate"); 9410447Snilay@cs.wisc.edu unsigned int number_readers = getParameter("NumberReaders"); 9510447Snilay@cs.wisc.edu 9610447Snilay@cs.wisc.edu // Get properties 9710447Snilay@cs.wisc.edu double length = getProperty("Length"); 9810447Snilay@cs.wisc.edu const String& extinction_ratio = getProperty("ExtinctionRatio"); 9910447Snilay@cs.wisc.edu const String& insertion_loss = getProperty("InsertionLoss"); 10010447Snilay@cs.wisc.edu const double opt_util = getProperty("OptUtil"); 10110447Snilay@cs.wisc.edu 10210447Snilay@cs.wisc.edu // Calculate loss for each waveguide segment 10310447Snilay@cs.wisc.edu double segment_length = (double) length / number_readers; 10410447Snilay@cs.wisc.edu double segment_loss = getTechModel()->get("Waveguide->LossPerMeter").toDouble() * segment_length; 10510447Snilay@cs.wisc.edu // Set loss of each waveguide segment 10610447Snilay@cs.wisc.edu for (unsigned int i = 0; i < number_readers; ++i) 10710447Snilay@cs.wisc.edu getWaveguide("WaveguideSegment[" + (String) i + "]")->setLoss(segment_loss); 10810447Snilay@cs.wisc.edu // Calculate waveguide area 10910447Snilay@cs.wisc.edu double waveguide_area = length * getTechModel()->get("Waveguide->Pitch").toDouble(); 11010447Snilay@cs.wisc.edu getAreaResult("Waveguide")->setValue(waveguide_area); 11110447Snilay@cs.wisc.edu 11210447Snilay@cs.wisc.edu // Update the laser 11310447Snilay@cs.wisc.edu Model* laser = getSubInstance("Laser"); 11410447Snilay@cs.wisc.edu laser->setProperty("LaserEventTime", 1.0 / data_rate); 11510447Snilay@cs.wisc.edu laser->setProperty("OptUtil", opt_util); 11610447Snilay@cs.wisc.edu laser->update(); 11710447Snilay@cs.wisc.edu 11810447Snilay@cs.wisc.edu // Update the modulator 11910447Snilay@cs.wisc.edu Model* modulator = getSubInstance("Modulator"); 12010447Snilay@cs.wisc.edu modulator->setProperty("ExtinctionRatio", extinction_ratio); 12110447Snilay@cs.wisc.edu modulator->setProperty("InsertionLoss", insertion_loss); 12210447Snilay@cs.wisc.edu modulator->update(); 12310447Snilay@cs.wisc.edu 12410447Snilay@cs.wisc.edu // Update all receivers 12510447Snilay@cs.wisc.edu for (unsigned int i = 0; i < number_readers; ++i) 12610447Snilay@cs.wisc.edu { 12710447Snilay@cs.wisc.edu Model* detector = getSubInstance("Detector_" + (String) i); 12810447Snilay@cs.wisc.edu detector->update(); 12910447Snilay@cs.wisc.edu } 13010447Snilay@cs.wisc.edu 13110447Snilay@cs.wisc.edu return; 13210447Snilay@cs.wisc.edu } 13310447Snilay@cs.wisc.edu 13410447Snilay@cs.wisc.edu void SWMRLink::propagateTransitionInfo() 13510447Snilay@cs.wisc.edu { 13610447Snilay@cs.wisc.edu // Get parameters 13710447Snilay@cs.wisc.edu const String& laser_type = getParameter("LaserType"); 13810447Snilay@cs.wisc.edu unsigned int number_readers = getParameter("NumberReaders"); 13910447Snilay@cs.wisc.edu 14010447Snilay@cs.wisc.edu // Set transition info for the modulator 14110447Snilay@cs.wisc.edu OpticalModel* modulator = (OpticalModel*) getSubInstance("Modulator"); 14210447Snilay@cs.wisc.edu propagatePortTransitionInfo(modulator, "In", "In"); 14310447Snilay@cs.wisc.edu modulator->use(); 14410447Snilay@cs.wisc.edu 14510447Snilay@cs.wisc.edu // Modulator out transition info 14610447Snilay@cs.wisc.edu const TransitionInfo& mod_out_transitions = modulator->getOpticalOutputPort("Out")->getTransitionInfo(); 14710447Snilay@cs.wisc.edu 14810447Snilay@cs.wisc.edu // Set transition info for all receivers 14910447Snilay@cs.wisc.edu for (unsigned int i = 0; i < number_readers; ++i) 15010447Snilay@cs.wisc.edu { 15110447Snilay@cs.wisc.edu OpticalModel* detector = (OpticalModel*) getSubInstance("Detector_" + (String) i); 15210447Snilay@cs.wisc.edu detector->getOpticalInputPort("In")->setTransitionInfo(mod_out_transitions); 15310447Snilay@cs.wisc.edu detector->use(); 15410447Snilay@cs.wisc.edu 15510447Snilay@cs.wisc.edu // Propagate output transition info to output 15610447Snilay@cs.wisc.edu propagatePortTransitionInfo("Out" + (String) i, detector, "Out"); 15710447Snilay@cs.wisc.edu } 15810447Snilay@cs.wisc.edu 15910447Snilay@cs.wisc.edu // Set enable signals for the laser, if applicable 16010447Snilay@cs.wisc.edu if (laser_type == "Throttled") 16110447Snilay@cs.wisc.edu { 16210447Snilay@cs.wisc.edu // Figure out how many cycles the laser needs to be on 16310447Snilay@cs.wisc.edu double cycles = getInputPort("In")->getTransitionInfo().getFrequencyMultiplier(); 16410447Snilay@cs.wisc.edu 16510447Snilay@cs.wisc.edu OpticalModel* laser = (OpticalModel*) getSubInstance("Laser"); 16610447Snilay@cs.wisc.edu laser->getInputPort("LaserEnable")->setTransitionInfo(TransitionInfo(0.0, 1.0, cycles - 1.0)); 16710447Snilay@cs.wisc.edu laser->use(); 16810447Snilay@cs.wisc.edu } 16910447Snilay@cs.wisc.edu return; 17010447Snilay@cs.wisc.edu } 17110447Snilay@cs.wisc.edu 17210447Snilay@cs.wisc.edu void SWMRLink::buildLaser() 17310447Snilay@cs.wisc.edu { 17410447Snilay@cs.wisc.edu // Get parameters 17510447Snilay@cs.wisc.edu unsigned int number_wavelengths = getParameter("NumberWavelengths"); 17610447Snilay@cs.wisc.edu unsigned int number_readers = getParameter("NumberReaders"); 17710447Snilay@cs.wisc.edu unsigned int number_max_readers = std::min(number_readers, getParameter("MaxReaders").toUInt()); 17810447Snilay@cs.wisc.edu unsigned int number_min_readers = std::min(number_max_readers, getParameter("MinReaders").toUInt()); 17910447Snilay@cs.wisc.edu const String& laser_type = getParameter("LaserType"); 18010447Snilay@cs.wisc.edu 18110447Snilay@cs.wisc.edu // Create laser 18210447Snilay@cs.wisc.edu OpticalModel* laser = NULL; 18310447Snilay@cs.wisc.edu if (laser_type == "Throttled") 18410447Snilay@cs.wisc.edu laser = new ThrottledLaserSource("Laser", getTechModel()); 18510447Snilay@cs.wisc.edu else if (laser_type == "Standard") 18610447Snilay@cs.wisc.edu laser = new LaserSource("Laser", getTechModel()); 18710447Snilay@cs.wisc.edu else 18810447Snilay@cs.wisc.edu ASSERT(false, "[Error] " + getInstanceName() + " -> Unknown laser type '" + laser_type + "'!"); 18910447Snilay@cs.wisc.edu 19010447Snilay@cs.wisc.edu laser->setParameter("OutStart", 0); 19110447Snilay@cs.wisc.edu laser->setParameter("OutEnd", number_wavelengths-1); 19210447Snilay@cs.wisc.edu laser->setParameter("MaxDetectors", number_max_readers); 19310447Snilay@cs.wisc.edu laser->setParameter("MinDetectors", number_min_readers); 19410447Snilay@cs.wisc.edu laser->construct(); 19510447Snilay@cs.wisc.edu 19610447Snilay@cs.wisc.edu addSubInstances(laser, 1.0); 19710447Snilay@cs.wisc.edu getAreaResult("Photonic")->addSubResult(laser->getAreaResult("Photonic"), "Laser", 1.0); 19810447Snilay@cs.wisc.edu // Connect laser output port 19910447Snilay@cs.wisc.edu opticalPortConnect(laser, "Out", "LaserToMod"); 20010447Snilay@cs.wisc.edu 20110447Snilay@cs.wisc.edu // Without laser gating, laser is pure NDD power 20210447Snilay@cs.wisc.edu if (laser_type == "Standard") 20310447Snilay@cs.wisc.edu getNddPowerResult("Laser")->addSubResult(laser->getNddPowerResult("Laser"), "Laser", 1.0); 20410447Snilay@cs.wisc.edu // With laser power gating, laser is an event 20510447Snilay@cs.wisc.edu else 20610447Snilay@cs.wisc.edu { 20710447Snilay@cs.wisc.edu // If laser is throttled, only pay for the amount needed to reach some number of readers 20810447Snilay@cs.wisc.edu getEventResult("BroadcastFlit")->addSubResult(laser->getEventResult("Laser" + (String) number_max_readers), "Laser", 1.0); 20910447Snilay@cs.wisc.edu for (unsigned int i = number_min_readers; i <= number_max_readers; ++i) 21010447Snilay@cs.wisc.edu getEventResult("MulticastFlit" + (String) i)->addSubResult(laser->getEventResult("Laser" + (String) i), "Laser", 1.0); 21110447Snilay@cs.wisc.edu } 21210447Snilay@cs.wisc.edu 21310447Snilay@cs.wisc.edu return; 21410447Snilay@cs.wisc.edu } 21510447Snilay@cs.wisc.edu 21610447Snilay@cs.wisc.edu void SWMRLink::buildModulator() 21710447Snilay@cs.wisc.edu { 21810447Snilay@cs.wisc.edu // Get parameters 21910447Snilay@cs.wisc.edu double data_rate = getParameter("DataRate"); 22010447Snilay@cs.wisc.edu const String& optimize_loss = getParameter("OptimizeLoss"); 22110447Snilay@cs.wisc.edu unsigned int number_wavelengths = getParameter("NumberWavelengths"); 22210447Snilay@cs.wisc.edu unsigned int number_readers = getParameter("NumberReaders"); 22310447Snilay@cs.wisc.edu unsigned int number_max_readers = std::min(number_readers, getParameter("MaxReaders").toUInt()); 22410447Snilay@cs.wisc.edu unsigned int number_min_readers = std::min(number_max_readers, getParameter("MinReaders").toUInt()); 22510447Snilay@cs.wisc.edu 22610447Snilay@cs.wisc.edu // Create modulator 22710447Snilay@cs.wisc.edu RingModulator* modulator = new RingModulator("Modulator", getTechModel()); 22810447Snilay@cs.wisc.edu modulator->setParameter("DataRate", data_rate); 22910447Snilay@cs.wisc.edu modulator->setParameter("InStart", 0); 23010447Snilay@cs.wisc.edu modulator->setParameter("InEnd", number_wavelengths-1); 23110447Snilay@cs.wisc.edu modulator->setParameter("ModStart", 0); 23210447Snilay@cs.wisc.edu modulator->setParameter("ModEnd", number_wavelengths-1); 23310447Snilay@cs.wisc.edu modulator->setParameter("OptimizeLoss", optimize_loss); 23410447Snilay@cs.wisc.edu modulator->construct(); 23510447Snilay@cs.wisc.edu addSubInstances(modulator, 1.0); 23610447Snilay@cs.wisc.edu getAreaResult("Photonic")->addSubResult(modulator->getAreaResult("Photonic"), "Modulator", 1.0); 23710447Snilay@cs.wisc.edu addElectricalSubResults(modulator, 1.0); 23810447Snilay@cs.wisc.edu 23910447Snilay@cs.wisc.edu // Connect electrical port 24010447Snilay@cs.wisc.edu portConnect(modulator, "In", "In"); 24110447Snilay@cs.wisc.edu // Connect modulator input, output port 24210447Snilay@cs.wisc.edu opticalPortConnect(modulator, "In", "LaserToMod"); 24310447Snilay@cs.wisc.edu opticalPortConnect(modulator, "Out", "WaveguideSegment[0]"); 24410447Snilay@cs.wisc.edu 24510447Snilay@cs.wisc.edu // Add modulator energy event for all broadcast events 24610447Snilay@cs.wisc.edu getEventResult("BroadcastFlit")->addSubResult(modulator->getEventResult("Modulate"), "Modulator", 1.0); 24710447Snilay@cs.wisc.edu for (unsigned int i = number_min_readers; i <= number_max_readers; ++i) 24810447Snilay@cs.wisc.edu getEventResult("MulticastFlit" + (String) i)->addSubResult(modulator->getEventResult("Modulate"), "Modulator", 1.0); 24910447Snilay@cs.wisc.edu 25010447Snilay@cs.wisc.edu return; 25110447Snilay@cs.wisc.edu } 25210447Snilay@cs.wisc.edu 25310447Snilay@cs.wisc.edu void SWMRLink::buildDetectors() 25410447Snilay@cs.wisc.edu { 25510447Snilay@cs.wisc.edu // Get parameters 25610447Snilay@cs.wisc.edu double data_rate = getParameter("DataRate"); 25710447Snilay@cs.wisc.edu unsigned int number_wavelengths = getParameter("NumberWavelengths"); 25810447Snilay@cs.wisc.edu unsigned int number_readers = getParameter("NumberReaders"); 25910447Snilay@cs.wisc.edu unsigned int number_max_readers = std::min(number_readers, getParameter("MaxReaders").toUInt()); 26010447Snilay@cs.wisc.edu unsigned int number_min_readers = std::min(number_max_readers, getParameter("MinReaders").toUInt()); 26110447Snilay@cs.wisc.edu 26210447Snilay@cs.wisc.edu // Create a SWMR Configuration 26310447Snilay@cs.wisc.edu for (unsigned int i = 0; i < number_readers; ++i) 26410447Snilay@cs.wisc.edu { 26510447Snilay@cs.wisc.edu String n = (String) i; 26610447Snilay@cs.wisc.edu 26710447Snilay@cs.wisc.edu // Create resonant ring detector 26810447Snilay@cs.wisc.edu RingDetector* detector = new RingDetector("Detector_" + n, getTechModel()); 26910447Snilay@cs.wisc.edu detector->setParameter("DataRate", data_rate); 27010447Snilay@cs.wisc.edu detector->setParameter("InStart", 0); 27110447Snilay@cs.wisc.edu detector->setParameter("InEnd", number_wavelengths-1); 27210447Snilay@cs.wisc.edu detector->setParameter("DetStart", 0); 27310447Snilay@cs.wisc.edu detector->setParameter("DetEnd", number_wavelengths-1); 27410447Snilay@cs.wisc.edu detector->setParameter("DropAll", "FALSE"); 27510447Snilay@cs.wisc.edu detector->setParameter("Topology", RingDetector::INTEGRATINGSENSEAMP); 27610447Snilay@cs.wisc.edu detector->construct(); 27710447Snilay@cs.wisc.edu addSubInstances(detector, 1.0); 27810447Snilay@cs.wisc.edu getAreaResult("Photonic")->addSubResult(detector->getAreaResult("Photonic"), "Detector_" + n, 1.0); 27910447Snilay@cs.wisc.edu addElectricalSubResults(detector, 1.0); 28010447Snilay@cs.wisc.edu 28110447Snilay@cs.wisc.edu // connect to electrical port 28210447Snilay@cs.wisc.edu portConnect(detector, "Out", "Out" + (String) i); 28310447Snilay@cs.wisc.edu // connect optical input, output port 28410447Snilay@cs.wisc.edu opticalPortConnect(detector, "In", "WaveguideSegment[" + (String) i + "]"); 28510447Snilay@cs.wisc.edu opticalPortConnect(detector, "Out", "WaveguideSegment[" + (String) (i + 1) + "]"); 28610447Snilay@cs.wisc.edu } 28710447Snilay@cs.wisc.edu 28810447Snilay@cs.wisc.edu // Add an average receiver energy for all multicast events (and broadcast) 28910447Snilay@cs.wisc.edu Result* broadcast_event = getEventResult("BroadcastFlit"); 29010447Snilay@cs.wisc.edu for (unsigned int i = 0; i < number_readers; ++i) 29110447Snilay@cs.wisc.edu { 29210447Snilay@cs.wisc.edu const String detector_name = "Detector_" + (String) i; 29310447Snilay@cs.wisc.edu broadcast_event->addSubResult(getSubInstance(detector_name)->getEventResult("Receive"), detector_name, 1.0); 29410447Snilay@cs.wisc.edu } 29510447Snilay@cs.wisc.edu for (unsigned int i = number_min_readers; i <= number_max_readers; ++i) 29610447Snilay@cs.wisc.edu { 29710447Snilay@cs.wisc.edu Result* multicast_event = getEventResult("MulticastFlit" + (String) i); 29810447Snilay@cs.wisc.edu for (unsigned int j = 0; j < number_readers; ++j) 29910447Snilay@cs.wisc.edu { 30010447Snilay@cs.wisc.edu const String detector_name = "Detector_" + (String) j; 30110447Snilay@cs.wisc.edu multicast_event->addSubResult(getSubInstance(detector_name)->getEventResult("Receive"), detector_name, (double) i / number_readers); 30210447Snilay@cs.wisc.edu } 30310447Snilay@cs.wisc.edu } 30410447Snilay@cs.wisc.edu 30510447Snilay@cs.wisc.edu return; 30610447Snilay@cs.wisc.edu } 30710447Snilay@cs.wisc.edu 30810447Snilay@cs.wisc.edu} // namespace DSENT 30910447Snilay@cs.wisc.edu 310