--- /dev/null
+# Copyright (c) 2006-2023. 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.
+
+"""
+This example demonstrates basic use of the operation plugin.
+We model the following graph:
+
+exec1 -> comm -> exec2
+
+exec1 and exec2 are execution operations.
+comm is a communication operation.
+"""
+
+from argparse import ArgumentParser
+import sys
+from simgrid import Engine, Operation, CommOp, ExecOp
+
+def parse():
+ parser = ArgumentParser()
+ parser.add_argument(
+ '--platform',
+ type=str,
+ required=True,
+ help='path to the platform description'
+ )
+ return parser.parse_args()
+
+def callback(op):
+ print(f'[{Engine.clock}] Operation {op} finished ({op.count})')
+
+if __name__ == '__main__':
+ args = parse()
+ e = Engine(sys.argv)
+ e.load_platform(args.platform)
+ Operation.init()
+
+ # Retrieve hosts
+ tremblay = e.host_by_name('Tremblay')
+ jupiter = e.host_by_name('Jupiter')
+
+ # Create operations
+ exec1 = ExecOp.init("exec1", 1e9, tremblay)
+ exec2 = ExecOp.init("exec2", 1e9, jupiter)
+ comm = CommOp.init("comm", 1e7, tremblay, jupiter)
+
+ # Create the graph by defining dependencies between operations
+ exec1.add_successor(comm)
+ comm.add_successor(exec2)
+
+ # Add a function to be called when operations end for log purpose
+ Operation.on_end_cb(callback)
+
+ # Enqueue two executions for operation exec1
+ exec1.enqueue_execs(2)
+
+ # runs the simulation
+ e.run()
+
