-one core). If you put two of them together, they will still be
-computed in one second, and so on up to 4 tasks. If you put 5 tasks,
-they will share the total computing resource, and all tasks will be
-computed at 5/4 = 1.25 second. That's a very simple model, but that's
-all what you will get by default from SimGrid.
+one core). If you run two such activities simultaneously, they will still be
+computed in one second, and so on up to 4 activities. If you start 5 activities,
+they will share the total computing power, and each activity will be
+computed in 5/4 = 1.25 seconds. This is a very simple model, but that is
+all what you get by default from SimGrid.