Updated November 11th 2009, for use with Version 2.19
Copyright © 1997-2009 Department of Computer and Information Science, University of Oregon Advanced Computing Laboratory, LANL, NM Research Centre Juelich, ZAM, Germany
Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of University of Oregon (UO) Research Centre Juelich, (ZAM) and Los Alamos National Laboratory (LANL) not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The University of Oregon, ZAM and LANL make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.
UO, ZAM AND LANL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE UNIVERSITY OF OREGON, ZAM OR LANL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
Table of Contents
- 1. Tau Instrumentation
- 2. Profiling
- 3. Tracing
- 4. Analyzing Parallel Application
- 5. Quick Reference
- 6. Some Common Application Scenario
-
- 6.1. Q. What routines account for the most time? How much?
- 6.2. Q. What loops account for the most time? How much?
- 6.3. Q. What MFlops am I getting in all loops?
- 6.4. Q. Who calls MPI_Barrier() Where?
- 6.5. Q. How do I instrument Python Code?
- 6.6. Q. What happens in my code at a given time?
- 6.7. Q. How does my application scale?
List of Figures
- 4.1. Main Data Window
- 4.2. Main Data Window
- 6.1. Flat Profile
- 6.2. Flat Profile with Loops
- 6.3. MFlops per loop
- 6.4. Callpath Profile
- 6.5. Tracing with Vampir
- 6.6. Scalability chart
List of Tables