myHostID=vm.hostID()
# Find a remote host
for hostID in vm.hosts():
if hostID!=myHostID:
break
# See if we have at least one remote host.
if hostID==myHostID:
print("\nWarning. Measuring local communication speed.")
# Prepare data sizes
dataSizes=[0, 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000]
# Spawn bounceBack()
taskIDs=vm.spawnFunction(funclib.bounceBack, kwargs={'vm': vm}, targetList=[hostID], count=1)
# Check if it succeeded
if len(taskIDs)<1:
print("Failed to spawn bounceBack().")
exit(-1)
taskID=taskIDs[0]
print "Task layout:"
print vm.formatSpawnerConfig()
print("Measuring message delivery time and data throughput to "+str(hostID)+".")
print("Bounce back task: "+str(taskID))
# Go through data sizes
# Find a remote host
for hostID in vm.hosts():
if hostID != myHostID:
break
# See if we have at least one remote host.
if hostID == myHostID:
print("\nWarning. Measuring local communication speed.")
# Prepare data sizes
dataSizes = [0, 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000]
# Spawn bounceBack()
taskIDs = vm.spawnFunction(funclib.bounceBack,
kwargs={'vm': vm},
targetList=[hostID],
count=1)
# Check if it succeeded
if len(taskIDs) < 1:
print("Failed to spawn bounceBack().")
exit(-1)
taskID = taskIDs[0]
print "Task layout:"
print vm.formatSpawnerConfig()
print("Measuring message delivery time and data throughput to " +
str(hostID) + ".")
print("Bounce back task: " + str(taskID))
# so we can import it (funclib is not in PYTHONPATH).
# MPI guarantees this by default, while PVM does not.
vm=VM(startupDir=os.getcwd(), debug=2)
# Get host list.
hostIDs=vm.hosts()
initialFreeSlots=vm.freeSlots()
print("Hosts: ")
for hostID in hostIDs:
print(" "+str(hostID))
print("Free slots: "+str(initialFreeSlots))
# Spawn 2 tasks anywhere, send vm as argument with name 'vm'.
# The spawned function must be defined in an importable module outside main .py file.
print("\nSpawning 2 tasks, anywhere.")
taskIDs=vm.spawnFunction(funclib.hello, kwargs={'vm': vm}, count=2)
print("Spawned: ")
for task in taskIDs:
print " ", str(task)
print("Free slots: "+str(vm.freeSlots())+"\n")
print("----\n"+vm.formatSpawnerConfig()+"----")
# Blocking receive 4 messages (2 return values and 2 exit)
while vm.freeSlots()!=initialFreeSlots:
received=vm.receiveMessage()
# Handle error (None) and timeout (empty tuple)
if received is None or len(received)==0:
continue
if __name__=='__main__':
vm=VM(startupDir=os.getcwd(), debug=0)
# Prepare expressions
exprList=["1+1", "5*5", "bla*bla", "2**7"]
# Create expression to taskID map, initialize values to None
expr2taskID={}
expr2taskID.fromkeys(exprList)
# Spawn evaluators that send MsgTaskResult messages with return value (sendBack=True).
taskIDList=[]
taskCount=0
for expr in exprList:
print("Spawning evaluator for: "+expr)
taskIDs=vm.spawnFunction(funclib.pyEvaluator, kwargs={'vm': vm, 'expr': expr}, count=1, sendBack=True)
if len(taskIDs)>0:
# Spawn OK
taskIDList.extend(taskIDs)
expr2taskID[expr]=taskIDs[0]
taskCount+=1
print(" Task ID: %s" % str(taskIDs[0]))
else:
taskIDList.append(None)
print(" Not spawned")
print
# Collect results from successfully spawned workers and wait for them to exit.
running=set(taskIDList)
results={}
# so we can import it (funclib is not in PYTHONPATH).
# MPI guarantees this by default, while PVM does not.
vm = VM(startupDir=os.getcwd(), debug=2)
# Get host list.
hostIDs = vm.hosts()
initialFreeSlots = vm.freeSlots()
print("Hosts: ")
for hostID in hostIDs:
print(" " + str(hostID))
print("Free slots: " + str(initialFreeSlots))
# Spawn 2 tasks anywhere, send vm as argument with name 'vm'.
# The spawned function must be defined in an importable module outside main .py file.
print("\nSpawning 2 tasks, anywhere.")
taskIDs = vm.spawnFunction(funclib.hello, kwargs={'vm': vm}, count=2)
print("Spawned: ")
for task in taskIDs:
print " ", str(task)
print("Free slots: " + str(vm.freeSlots()) + "\n")
print("----\n" + vm.formatSpawnerConfig() + "----")
# Blocking receive 4 messages (2 return values and 2 exit)
while vm.freeSlots() != initialFreeSlots:
received = vm.receiveMessage()
# Handle error (None) and timeout (empty tuple)
if received is None or len(received) == 0:
continue