Multicore and GPU Programming

Glossary

activation frame A memory block reserved in the run-time stack that serves for storing function parameters and the return address upon calling a function.

activation record see activation frame.

communicator A group of processes in MPI. Processes inside a communicator are sequentially indexed starting from 0. The default communicator that incorporates all processes is MPI_COMM_WORLD.

functor A C++ function object, i.e., an instance of a class that overloads operator(), the “function call” operator.

iteration space dependency graph A graph used to visualize the iterations performed by a loop or a set of nested loops, and the data dependencies between them. The nodes in this graph represent iterations and the edges represent flow of data. ...