slice A local copy of a global object.
switch network The network constructed from the Elan cards and Elite cards.
thread An independent sequence of execution. Every host process has at
least one thread.
virtual memory A feature provided by the operating system, in conjunction with the
MMU, that provides each process with a private address space that
may be larger than the amount of physical memory accessible to the
CPU.
virtual process A (possibly multi-threaded) component of a parallel program
executing on a node.
word A 64-bit value.
Glossary-5