Beispiel #1
0
# Prevent this program from loading pdq.py in this directory
import sys
del sys.path[0]

import pdq

#---- Define globals -------------------------------------------------

arrivRate = 0.75
service_time = 1.0

#---- Initialize -----------------------------------------------------

pdq.Init("OpenCenter")
pdq.SetComment("A simple M/M/1 queue")

#---- Define the workload and circuit type ---------------------------

pdq.streams = pdq.CreateOpen("work", arrivRate)

pdq.SetWUnit("Customers")
pdq.SetTUnit("Seconds")

#---- Define the queueing center -------------------------------------

pdq.nodes = pdq.CreateNode("server", pdq.CEN, pdq.FCFS)

#---- Define service demand due to workload on the queueing center ---

pdq.SetDemand("server", "work", service_time)
Beispiel #2
0
#  This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY  #
#  KIND, either express or implied.                                           #
###############################################################################

#
# mmm.py
#
# Created by NJG on Fri, Apr 13, 2007
#

import pdq

# Parameters taken from mmm_sim.py file
arrivalRate = 2.0
serviceTime = 1.0

pdq.Init("M/M/m in PyDQ")
pdq.SetComment("Cf. SimPy Results.")

pdq.streams = pdq.CreateOpen("work", arrivalRate)
pdq.SetWUnit("Customers")
pdq.SetTUnit("Seconds")

pdq.nodes = pdq.CreateNode("server", 3, pdq.MSQ)

pdq.SetDemand("server", "work", serviceTime)

pdq.Solve(pdq.CANON)

pdq.Report()
Beispiel #3
0
#
# open1msq.py
#
# Created by NJG on Fri, Apr 13, 2007 (test MSQ vs. M/M/1 in PyDQ)
#
#  $Id: open1msq.py,v 1.2 2009/03/26 02:55:32 pfeller Exp $
#
#---------------------------------------------------------------------

import pdq

arrivalRate = 0.75
serviceTime = 1.0

pdq.Init("Open1 MSQ Test")
pdq.SetComment("Cf. M/M/1/FCFS against MSQ with m=1 in PyDQ.")

pdq.streams = pdq.CreateOpen("work", arrivalRate)

pdq.SetWUnit("Customers")
pdq.SetTUnit("Seconds")

pdq.nodes = pdq.CreateNode("MM1", pdq.CEN, pdq.FCFS)
pdq.nodes = pdq.CreateNode("MMm", 1, pdq.MSQ)

pdq.SetDemand("MM1", "work", serviceTime)
pdq.SetDemand("MMm", "work", serviceTime)

pdq.Solve(pdq.CANON)

print "Using: %s" % pdq.version
Beispiel #4
0
###############################################################################

#
#  $Id: open1.py,v 4.4 2009/03/26 02:55:32 pfeller Exp $
#
#---------------------------------------------------------------------

import pdq

arrivRate = 0.75
service_time = 1.0

#---- Initialize the system ------------------------------------------

pdq.Init("OpenCenter")
pdq.SetComment("This is just a simple M/M/1 queue.")

#---- Define the queueing center -------------------------------------

pdq.nodes = pdq.CreateNode("server", pdq.CEN, pdq.FCFS)

#---- Define the workload and circuit type ---------------------------

pdq.streams = pdq.CreateOpen("work", arrivRate)

pdq.SetWUnit("Customers")
pdq.SetTUnit("Seconds")

#---- Define service demand due to workload on the queueing center ---

pdq.SetDemand("server", "work", service_time)