update HTML + changes made to queueing example during tutorial

This commit is contained in:
Joeri Exelmans 2024-12-13 16:57:06 +01:00
parent 94b3b47e87
commit 7230fcf584
4 changed files with 37 additions and 24 deletions

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@ -155,6 +155,7 @@ The specification of the semantics of the Atomic DEVS blocks is entirely determi
<li>The generated CSV- and SVG-files</li>
</ul>
</li>
<li>Deadline: Sunday 5 December 2025, 23:59</li>
</ol>
<h2 id="attention">Attention!</h2>
@ -198,7 +199,7 @@ The specification of the semantics of the Atomic DEVS blocks is entirely determi
<h2>Extra Material</h2>
<ul>
<li>This assignment was inspired by the queueuing example, which you can in <tt>examples/queueing</tt>.</li>
<li>This assignment was inspired by the <a href="https://msdl.uantwerpen.be/git/jexelmans/joeriPDEVS/src/mosis24/examples/queueing">queueuing example</a>.</li>
</ul>
</body>

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@ -1,9 +1,17 @@
from pypdevs.DEVS import AtomicDEVS
from job import Job
import random
import dataclasses
# Define the state of the generator as a structured object
@dataclasses.dataclass
class GeneratorState:
current_time: float
remaining: float
to_generate: int
next_job: None
random: random.Random
def __init__(self, gen_num, seed=0):
# Current simulation time (statistics)
self.current_time = 0.0
@ -34,14 +42,22 @@ class Generator(AtomicDEVS):
# Determine size of the event to generate
size = max(1, int(self.state.random.gauss(self.size_param, 5)))
# Calculate current time (note the addition!)
creation = self.state.current_time + self.state.remaining
creation = self.state.current_time
# Update state
self.state.next_job = Job(size, creation)
self.state.remaining = self.state.random.expovariate(self.gen_param)
def timeAdvance(self):
# Return remaining time; infinity when generated enough
return self.state.remaining
def outputFnc(self):
# Output the new event on the output port
return {self.out_event: self.state.next_job}
def intTransition(self):
# Update simulation time
self.state.current_time += self.timeAdvance()
self.state.current_time += self.state.remaining
# Update number of generated events
self.state.to_generate -= 1
if self.state.to_generate == 0:
@ -53,10 +69,3 @@ class Generator(AtomicDEVS):
self.__nextJob()
return self.state
def timeAdvance(self):
# Return remaining time; infinity when generated enough
return self.state.remaining
def outputFnc(self):
# Output the new event on the output port
return {self.out_event: self.state.next_job}

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@ -3,3 +3,6 @@ class Job:
# Jobs have a size and creation_time parameter
self.size = size
self.creation_time = creation_time
def __repr__(self):
return f"Job(size={self.size},creation_time={self.creation_time})"

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@ -29,20 +29,6 @@ class Queue(AtomicDEVS):
self.in_event = self.addInPort("in_event")
self.in_finish = self.addInPort("in_finish")
def intTransition(self):
# Is only called when we are outputting an event
# Pop the first idle processor and clear processing event
self.state.idle_procs.pop(0)
if self.state.queue and self.state.idle_procs:
# There are still queued elements, so continue
self.state.processing = self.state.queue.pop(0)
self.state.remaining_time = self.processing_time
else:
# No events left to process, so become idle
self.state.processing = None
self.state.remaining_time = float("inf")
return self.state
def extTransition(self, inputs):
# Update the remaining time of this job
self.state.remaining_time -= self.elapsed
@ -73,3 +59,17 @@ class Queue(AtomicDEVS):
# Output the event to the processor
port = self.out_proc[self.state.idle_procs[0]]
return {port: self.state.processing}
def intTransition(self):
# Is only called when we are outputting an event
# Pop the first idle processor and clear processing event
self.state.idle_procs.pop(0)
if self.state.queue and self.state.idle_procs:
# There are still queued elements, so continue
self.state.processing = self.state.queue.pop(0)
self.state.remaining_time = self.processing_time
else:
# No events left to process, so become idle
self.state.processing = None
self.state.remaining_time = float("inf")
return self.state