-# Copyright (c) 2010-2022. The SimGrid Team. All rights reserved.
+# Copyright (c) 2010-2023. The SimGrid Team. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the license (GNU LGPL) which comes with this package.
-from simgrid import Actor,Comm, Engine, Host, Mailbox, this_actor
-import sys
+"""
+This example shows how to block on the completion of a set of communications.
-# This example shows how to block on the completion of a set of communications.
-#
-# As for the other asynchronous examples, the sender initiate all the messages it wants to send and
-# pack the resulting simgrid.Comm objects in a list. All messages thus occur concurrently.
-#
-# The sender then blocks until all ongoing communication terminate, using simgrid.Comm.wait_all()
+As for the other asynchronous examples, the sender initiate all the messages it wants to send and
+pack the resulting simgrid.Comm objects in a list. All messages thus occur concurrently.
+
+The sender then blocks until all ongoing communication terminate, using simgrid.Comm.wait_all()
+"""
+
+import sys
+from simgrid import Actor, Comm, Engine, Host, Mailbox, this_actor
def sender(messages_count, msg_size, receivers_count):
- # List in which we store all ongoing communications
- pending_comms = []
+ # List in which we store all ongoing communications
+ pending_comms = []
- # Vector of the used mailboxes
- mboxes = [Mailbox.by_name("receiver-{:d}".format(i))
- for i in range(0, receivers_count)]
+ # Vector of the used mailboxes
+ mboxes = [Mailbox.by_name("receiver-{:d}".format(i))
+ for i in range(0, receivers_count)]
- # Start dispatching all messages to receivers, in a round robin fashion
- for i in range(0, messages_count):
- content = "Message {:d}".format(i)
- mbox = mboxes[i % receivers_count]
+ # Start dispatching all messages to receivers, in a round robin fashion
+ for i in range(0, messages_count):
+ content = "Message {:d}".format(i)
+ mbox = mboxes[i % receivers_count]
- this_actor.info("Send '{:s}' to '{:s}'".format(content, str(mbox)))
+ this_actor.info("Send '{:s}' to '{:s}'".format(content, str(mbox)))
- # Create a communication representing the ongoing communication, and store it in pending_comms
- comm = mbox.put_async(content, msg_size)
- pending_comms.append(comm)
+ # Create a communication representing the ongoing communication, and store it in pending_comms
+ comm = mbox.put_async(content, msg_size)
+ pending_comms.append(comm)
- # Start sending messages to let the workers know that they should stop
- for i in range(0, receivers_count):
- mbox = mboxes[i]
- this_actor.info("Send 'finalize' to '{:s}'".format(str(mbox)))
- comm = mbox.put_async("finalize", 0)
- pending_comms.append(comm)
+ # Start sending messages to let the workers know that they should stop
+ for i in range(0, receivers_count):
+ mbox = mboxes[i]
+ this_actor.info("Send 'finalize' to '{:s}'".format(str(mbox)))
+ comm = mbox.put_async("finalize", 0)
+ pending_comms.append(comm)
- this_actor.info("Done dispatching all messages")
+ this_actor.info("Done dispatching all messages")
- # Now that all message exchanges were initiated, wait for their completion in one single call
- Comm.wait_all(pending_comms)
+ # Now that all message exchanges were initiated, wait for their completion in one single call
+ Comm.wait_all(pending_comms)
- this_actor.info("Goodbye now!")
+ this_actor.info("Goodbye now!")
-def receiver(id):
- mbox = Mailbox.by_name("receiver-{:d}".format(id))
+def receiver(my_id):
+ mbox = Mailbox.by_name("receiver-{:d}".format(my_id))
this_actor.info("Wait for my first message")
while True:
