ICOM 5995

Performance Instrumentation and Visualization for High Performance

Computer Systems

Homework 1 (10 points)

Due date: Monday, August 26, 2002.

Send answers by email (you will have until 12:00 midnight)

Read

Introduction to Programming Shared-Memory and Distributed-Memory Parallel Computers by Cory Quammen

Answer the following questions (Two points each).

1. State the difference between shared-memory multiprocessing and distributed-memory multiprocessing.
2. What are the two standard libraries used to program shared-memory and distributed memory.
3. Describe (in general) OpenMP.
4. Describe (in general) MPI
5. State one advantage and disadvantage of shared-memory programming. State one advantage and disadvantage of distributed memory programming.