1. Concept Diagram Hung-Hsun Su UPC Group, HCS lab 1/27/2004

2. Concept Diagram

3. Comments Choose appropriate performance model to use  Modified BSP Identify performance factors  Memory access profile, synchronization pattern  Identify UPC / SHMEM constructs to instrument Familiarize with available compilers  Special techniques, features available to improve performance Determine performance tool limitations  Statistical / Analytical information  Variables / Constant identification  Hybrid programming model analysis Too complex Determine desired feature of a tool  Output, features Will benefit from literature search on  Load Balancing  Process Scheduling  Algorithm Analysis  Query Optimization  Data Partitioning  Performance problem and cause  OpenMP Other thoughts  System independent analysis (algorithm)  Mathematical model  Various level of analysis (block, program)  Should provide some suggestion on how to optimize the program Memory utilization profile Memory / processor affinity Communication pattern