Visualization Tool (VT) - Execution Analysis on the IBM SP <author> <version> <abstract> The Parallel Programming Environment's Visualization Tool (VT) is designed to show graphically the performance and characteristics of an application program (Program Visualization) and also to act as an on-line monitor (Performance Monitoring). The displays used for Program Visualization show program and system information collected during the application's execution. The displays used for Performance Monitoring show on-line system activity at a configurable sampling frequency. The Visualization Tool is based on Motif and X Window System standards and runs on the IBM SP system. <description><url>http://www.tc.cornell.edu:80/Parallel.Tools/tools/vt.html</url> <reference><url></url> <contact> <keywords>performance monitoring; performance visualization <category>ppt-exe <publication-date> <environment>IBM SP <method> <application> <comments> </urc>