Department of Computer and Information Science, University of Oregon, Eugene, OR, USA, {malony,sameer}@cs.uoregon.edu.

The where axis can be regarded as relating to issues of spatial visibility, while the when axis involves issues of temporal visibility.

The figure shows both how JVMPI is used by TAU for performance measurement of Java events, as well as how performance measurement of native libraries (e.g., the MPI library) is integrated in a Java execution environment by TAU. This is discussed in more detail in [17] and demonstrated in §4.3.2.

Sameer Suresh Shende
Mon Jan 14 14:21:08 PST 2002