CS 575 Supercomputing - Lecture Outline
Chapter 6: Timing (and Profiling)
September 8, 2003

Dr. Kris Stewart (stewart@sdsu.edu)
San Diego State University

This URL is http://www.stewart.cs.sdsu.edu/cs575/lecs/ch6.html

There are tools to allow the programmer to easily time an entire program, or any UNIX command, when in the csh, we can get the runtime to run an executable named diffusion at the command line with

time diffusion

• User Time
• System Time
• Elapsed Time (wall clock)