code for experiments

dream/platform/static/manifest.appcache

 CACHE MANIFEST
 # This manifest was generated by grunt-manifest HTML5 Cache Manifest Generator
-# Time: Wed Sep 16 2015 18:23:50 GMT+0200 (CEST)
+# Time: Wed Nov 28 2018 10:09:45 GMT+0000 (GMT)
 
 CACHE:
 daff/index.html

dream/plugins/ACO.py

@@ -41,6 +41,7 @@ class ACO(plugin.ExecutionPlugin):
   def run(self, data):
     """Preprocess the data.
     """
+    self.logger.info("ACO")
     distributor_url = data['general'].get('distributorURL')
     distributor = None
     if distributor_url:
@@ -108,7 +109,12 @@ class ACO(plugin.ExecutionPlugin):
             else:
                 # synchronous
                 for ant in scenario_list:
-                    ant['result'] = self.runOneScenario(ant['input'])['result']
+                    self.logger.info("%s running" % ant['key'])
+                    try:
+                        ant['result'] = self.runOneScenario(ant['input'])['result']
+                    except:
+                        self.logger.info("%s failed" % ant['key'])
+                        ant['result'] = {'result_list': ['fail']}
         
         else: # asynchronous
             self.logger.info("Registering a job for %s scenarios" % len(scenario_list))

dream/plugins/Batches/BatchesACO.py

@@ -18,6 +18,8 @@ class BatchesACO(ACO):
     """Calculate the score of this ant.
     """
     result, = ant['result']['result_list']  #read the result as JSON
+    if result == 'fail':
+        return 0
     #loop through the elements 
     for element in result['elementList']:
         element_family = element.get('family', None)

dream/plugins/Batches/BatchesStochasticACO.py

@@ -39,6 +39,8 @@ class BatchesStochasticACO(BatchesACO):
     """Calculate the score of this ant.
     """
     result, = ant['result']['result_list']  #read the result as JSON
+    if result == 'fail':
+        return 0
     #loop through the elements 
     for element in result['elementList']:
         element_family = element.get('family', None)
@@ -68,6 +70,7 @@ class BatchesStochasticACO(BatchesACO):
   def run(self, data):
     """Preprocess the data.
     """
+    self.logger.info("Stoch ACO")
     self.outputFile = xlwt.Workbook()
     self.outputSheet = self.outputFile.add_sheet('ACO Results', cell_overwrite_ok=True)
     self.rowIndex=0
@@ -141,6 +144,7 @@ class BatchesStochasticACO(BatchesACO):
     for i in range(int(data["general"]["numberOfGenerations"])):
         self.outputSheet.write(self.rowIndex,0,'Generation '+str(i+1))
         self.rowIndex+=1
+        self.logger.info("Generation %s" % self.rowIndex)
         antsInCurrentGeneration=[]
         scenario_list = [] # for the distributor
         # number of ants created per generation
@@ -190,8 +194,13 @@ class BatchesStochasticACO(BatchesACO):
                 self.outputSheet.write(self.rowIndex,1,'running deterministic')
                 self.outputSheet.write(self.rowIndex,2,ant['key'])
                 self.rowIndex+=1
-                ant['result'] = self.runOneScenario(ant['input'])['result']
-                ant['score'] = self._calculateAntScore(ant)      
+                try:
+                    ant['result'] = self.runOneScenario(ant['input'])['result']
+                    ant['score'] = self._calculateAntScore(ant)
+                except:
+                    self.logger.info("%s failed" % ant['key'])
+                    ant['result'] = {'result_list': ['fail']}
+                    ant['score'] = 0
                 ant['evaluationType']='deterministic'
                 self.outputSheet.write(self.rowIndex,2,'Units Throughput')
                 self.outputSheet.write(self.rowIndex,3,-ant['score'])
@@ -220,9 +229,14 @@ class BatchesStochasticACO(BatchesACO):
             self.outputSheet.write(self.rowIndex,1,'running stochastic for '+str(numberOfReplicationsInGeneration)+' replications')
             self.outputSheet.write(self.rowIndex,2,ant['key'])
             self.rowIndex+=1
-            ant['result'] = self.runOneScenario(ant['input'])['result']
+            try:
+                ant['result'] = self.runOneScenario(ant['input'])['result']
+                ant['score'] = self.calculateStochasticAntScore(ant)
+            except:
+                self.logger.info("%s failed" % ant['key'])
+                ant['result'] = {'result_list': ['fail']}
+                ant['score'] = 0
             ant['evaluationType']='stochastic'
-            ant['score'] = self.calculateStochasticAntScore(ant)
             self.outputSheet.write(self.rowIndex,2,'Average Units Throughput')
             self.outputSheet.write(self.rowIndex,3,-ant['score'])
             self.rowIndex+=1
@@ -281,8 +295,15 @@ class BatchesStochasticACO(BatchesACO):
             self.outputSheet.write(self.rowIndex,1,'running stochastic for '+str(numberOfReplicationsInTheEnd)+' replications')
             self.outputSheet.write(self.rowIndex,2,ant['key']) 
             self.rowIndex+=1
-            ant['result'] = self.runOneScenario(ant['input'])['result']
-            ant['score'] = self.calculateStochasticAntScore(ant)     
+            try:
+                ant['result'] = self.runOneScenario(ant['input'])['result']
+                ant['score'] = self.calculateStochasticAntScore(ant)
+            except:
+                self.logger.info("%s failed" % ant['key'])
+                ant['result'] = {'result_list': ['fail']}
+                ant['score'] = 0
+            # ant['result'] = self.runOneScenario(ant['input'])['result']
+            # ant['score'] = self.calculateStochasticAntScore(ant)     
             self.outputSheet.write(self.rowIndex,2,'Average Units Throughput')
             self.outputSheet.write(self.rowIndex,3,-ant['score'])
             self.rowIndex+=1

dream/simulation/CoreObject.py

@@ -347,6 +347,11 @@ class CoreObject(ManPyObject):
     # gets an entity from the giver 
     # =======================================================================   
     def getEntity(self):
+        import logging                                                                                 
+        self.logger = logging.getLogger("dream.platform")
+        self.logger.info(self.env.now, self.id, 'GETTING!')
+        # raise ValueError('FOO')
+
         # get active object and its queue, as well as the active (to be) entity 
         #(after the sorting of the entities in the queue of the giver object)
 #         activeObject=self.getActiveObject()

dream/simulation/Examples/SeminarModels.py

+from dream.simulation.Source import Source
+from dream.simulation.Queue import Queue
+from dream.simulation.Machine import Machine
+from dream.simulation.Exit import Exit
+from dream.simulation.Part import Part
+from dream.simulation.Globals import runSimulation
+from dream.simulation.Globals import G
+import random
+
+#the custom machine
+class Inspection(Machine):
+    def selectReceiver(self, possibleReceivers=[]):
+        # 80% continue, 20% go back to Q1
+        # XXX Custom implementation hard-coding objects
+        if random.uniform(0, 1) < 0.8:
+            return Q2
+        else:
+            return Q1
+
+#define the objects of the model
+S=Source('S','Source', interArrivalTime={'Fixed':{'mean':0.5}}, entity='Dream.Part')
+Q1=Queue('Q','Queue', capacity=float("inf"))
+M1=Machine('M1','Milling1', processingTime={'Fixed':{'mean':1}})
+QI=Queue('Q','Queue', capacity=float("inf"))
+I=Inspection('I','Inspection', processingTime={'Fixed':{'mean':0.2}})
+Q2=Queue('Q','Queue', capacity=float("inf"))
+M2=Machine('M2','Milling2', processingTime={'Fixed':{'mean':1}})
+E=Exit('E1','Exit')  
+
+#create the global counter variables
+G.NumM1=0
+G.NumM2=0
+
+#define predecessors and successors for the objects    
+S.defineRouting([Q1])
+Q1.defineRouting([S, I],[M1])
+M1.defineRouting([Q1],[QI])
+QI.defineRouting([M1],[I])
+I.defineRouting([QI],[Q1, Q2])
+Q2.defineRouting([I],[M2])
+M2.defineRouting([Q2],[E])
+E.defineRouting([M2])
+
+def main(test=0):
+
+    # add all the objects in a list
+    objectList=[S,Q1,M1,QI,I,Q2,M2,E]  
+    # set the length of the experiment  
+    maxSimTime=1440.0
+    # call the runSimulation giving the objects and the length of the experiment
+    runSimulation(objectList, maxSimTime)
+    
+    # calculate metrics
+    working_ratio_M1=(M1.totalWorkingTime/maxSimTime)*100
+    working_ratio_M2=(M2.totalWorkingTime/maxSimTime)*100    
+
+    # return results for the test
+    if test:
+        return {"parts": E.numOfExits,
+              "working_ratio_M1": working_ratio_M1,
+              "working_ratio_M2": working_ratio_M2,
+              "NumM1":G.NumM1,
+              "NumM2":G.NumM2}
+
+    #print the results
+    print "the system produced", E.numOfExits, "parts"
+    print "the working ratio of", M1.objName,  "is", working_ratio_M1, "%"
+    print "the working ratio of", M2.objName,  "is", working_ratio_M2, "%"
+
+if __name__ == '__main__':
+    main()

dream/simulation/Exit.py

@@ -105,6 +105,10 @@ class Exit(CoreObject):
     #                    gets an entity from the predecessor     
     # =======================================================================
     def getEntity(self): 
+        import logging                                                                                 
+        self.logger = logging.getLogger("dream.platform")
+        self.logger.info("!--- %s ----!" % self.env.now)
+
         activeEntity = CoreObject.getEntity(self)           #run the default method
         # if the entity is in the G.pendingEntities list then remove it from there
         from Globals import G

dream/simulation/OperatedPoolBroker.py

@@ -30,6 +30,7 @@ Models an Interruption that handles the operating of a Station by an ObjectResou
 import simpy
 from ObjectInterruption import ObjectInterruption
 # from SimPy.Simulation import waituntil, now, hold, request, release, waitevent
+import logging                                                                                 
 
 # ===========================================================================
 #               Class that handles the Operator Behavior
@@ -52,7 +53,8 @@ class Broker(ObjectInterruption):
         # flag that shows if broker was called to request or release operator. 
         # Machine updates this before calling the broker
         self.invokeType='request'
-        
+        self.logger = logging.getLogger("dream.platform")
+
     #===========================================================================
     #                           the initialize method
     #===========================================================================
@@ -77,8 +79,9 @@ class Broker(ObjectInterruption):
             # TODO: add new broker event - brokerIsCalled
             
             self.expectedSignals['isCalled']=1
-            
+            self.logger.info("!--- %s %s Waiting isCalled1 ----!" % (self.env.now, self.id))
             yield self.isCalled
+            self.logger.info("!--- %s %s Got isCalled1 ----!" % (self.env.now, self.id))
             transmitter, eventTime=self.isCalled.value
             assert eventTime==self.env.now, 'the broker should be granted control instantly'
             self.isCalled=self.env.event()
@@ -106,8 +109,9 @@ class Broker(ObjectInterruption):
                         self.victim.printTrace(self.victim.id, waitEvent='(resourceIsAvailable broker)')
                         
                         self.expectedSignals['resourceAvailable']=1
-                        
+                        self.logger.info("!--- %s %s Waiting resourceAvailable ----!" % (self.env.now, self.id))
                         yield self.resourceAvailable
+                        self.logger.info("!--- %s %s Got resourceAvailable ----!" % (self.env.now, self.id))
 
                         transmitter, eventTime=self.resourceAvailable.value
                         self.resourceAvailable=self.env.event()
@@ -132,7 +136,10 @@ class Broker(ObjectInterruption):
                     
                     
                     with self.victim.operatorPool.getResource(self.victim.currentOperator).request() as request:
+                        self.logger.info("!--- %s %s Waiting request ----!" % (self.env.now, self.id))
                         yield request
+                        self.logger.info("!--- %s %s Got request ----!" % (self.env.now, self.id))
+
                         # update the operator workingStation
                         self.victim.currentOperator.workingStation=self.victim
                         self.victim.printTrace(self.victim.currentOperator.objName, startWork=self.victim.id)
@@ -165,8 +172,10 @@ class Broker(ObjectInterruption):
                         # wait till the processing is over
                         self.expectedSignals['isCalled']=1
                     
+                        self.logger.info("!--- %s %s Waiting isCalled2 ----!" % (self.env.now, self.id))
                         yield self.isCalled
-    
+                        self.logger.info("!--- %s %s Got isCalled2 ----!" % (self.env.now, self.id))
+
                         transmitter, eventTime=self.isCalled.value
                         assert eventTime==self.env.now, 'the broker should be granted control instantly'
                         self.isCalled=self.env.event()

dream/simulation/SkilledOperatorRouter.py

@@ -87,8 +87,9 @@ class SkilledRouter(Router):
             # wait until the router is called
             
             self.expectedSignals['isCalled']=1
-            
+            self.logger.info("!--- %s %s WAITING isCalled ----!" % (self.env.now, self.id))
             yield self.isCalled
+            self.logger.info("!--- %s %s GOT isCalled ----!" % (self.env.now, self.id))
 
             transmitter, eventTime=self.isCalled.value
             self.isCalled=self.env.event()
@@ -223,8 +224,11 @@ class SkilledRouter(Router):
                 import time
                 startLP=time.time()
                 if LPFlag:
+                    self.logger.info('---> ' + str(self.env.now))
+                    self.logger.info(self.previousSolution)
+                    self.logger.info(self.availableOperatorList)
                     if self.whereToMaxWIP and self.previousSolution:
-                      self.logger.info('---> ' + str(self.env.now))
+                      # self.logger.info('---> ' + str(self.env.now))
                       solution={}
                       maxWIP=-1
                       minWIP=float('inf')
@@ -239,7 +243,7 @@ class SkilledRouter(Router):
                       # first, find the machine with max wip
                       for stationId in sorted_station_id_list:
                         stationDict = self.availableStationsDict.get(stationId, None)
-                        self.logger.info(stationDict)
+                        # self.logger.info(stationDict)
                         if not stationDict:
                           continue
                         wip = stationDict['WIP']
@@ -250,11 +254,12 @@ class SkilledRouter(Router):
                         ]
                         assert len(assignedOperatorList) in (0, 1), assignedOperatorList
                         if not assignedOperatorList:
-                          self.logger.info('%s has no operator' % stationId)
+                          pass
+                          # self.logger.info('%s has no operator' % stationId)
                         if wip > maxWIP and not assignedOperatorList:
                           machineWithMaxWIP=stationId
                           maxWIP = wip
-                      self.logger.info(machineWithMaxWIP)
+                      # self.logger.info(machineWithMaxWIP)
                       solution={}
                       # First, search for an operator that was not
                       # previously assigned, and can handle the maxWIP station
@@ -376,7 +381,7 @@ class SkilledRouter(Router):
                 self.pendingStations=[]
                 from Globals import findObjectById
                 # apply the solution
-                
+
                 # loop through the stations. If there is a station that should change operator
                 # set the operator dedicated to None and also release operator
                 for station in G.MachineList:
@@ -398,7 +403,7 @@ class SkilledRouter(Router):
                     if operatorID in self.previousSolution:
                         # if the solution returned the operator that is already in the station
                         # then no signal is needed
-                        if not self.previousSolution[operatorID] == solution[operatorID]:
+                        if not (self.previousSolution[operatorID] == solution[operatorID] and operator == station.currentOperator):
                             self.toBeSignalled.append(station)
                     else:
                         self.toBeSignalled.append(station)
@@ -412,13 +417,16 @@ class SkilledRouter(Router):
                     station.operatorToGet=operator
                     # remove the operator id from availableOperatorList
                     self.availableOperatorList.remove(operatorID)
-                    
+
+
                 #===================================================================
                 # # XXX signal the stations that the assignment is complete
                 #===================================================================             
                 # if the operator is free the station can be signalled right away
                 stationsProcessingLast=[]
                 toBeSignalled=list(self.toBeSignalled)
+                self.logger.info("!--- %s toBeSignalled: %s ----!" % (self.env.now, len(toBeSignalled)))
+
                 for station in toBeSignalled:
                     # check if the operator that the station waits for is free
                     operator=station.operatorToGet
@@ -438,7 +446,10 @@ class SkilledRouter(Router):
                     self.expectedFinishSignalsDict[station.id]=signal
                     self.expectedFinishSignals.append(signal)
                 while self.expectedFinishSignals:
+                    self.logger.info("!--- %s %s WAITING expectedFinishSignals ----!" % (self.env.now, self.id))
+
                     receivedEvent = yield self.env.any_of(self.expectedFinishSignals)
+                    self.logger.info("!--- %s %s GOT expectedFinishSignals ----!" % (self.env.now, self.id))
                     for signal in self.expectedFinishSignals:
                         if signal in receivedEvent:
                             transmitter, eventTime=signal.value
@@ -488,6 +499,8 @@ class SkilledRouter(Router):
     # =======================================================================
     def signalStation(self, station, operator):
         # signal this station's broker that the resource is available
+        self.logger.info("!--- %s %s signalStation ----!" % (self.env.now, self.id))
+
         if station.broker.waitForOperator:
             if station.broker.expectedSignals['resourceAvailable']:
                 self.sendSignal(receiver=station.broker, signal=station.broker.resourceAvailable)