IBM System Blue Gene Solution: Performance Analysis Tools

An IBM Redpaper publication

Published 24 November 2008, updated 04 June 2009

cover image

IBM Form #: REDP-4256-01
(210 pages)

Authors: Gary Lakner, I-Hsin Chung, Dr. Guojing Cong, Scott Fadden, Nicholas Goracke, David Klepacki, Jeffrey Lien, Dr. Christoph Pospiech, Seetharami R. Seelam, Hui-Fang Wen


This IBM® Redpaper publication is one in a series of IBM documents written specifically for the IBM System Blue Gene/P Solution. The Blue Gene/P system is the second generation of a massively parallel supercomputer from IBM in the IBM System Blue Gene Solution series. The first section of this paper provides an overview of the Performance Application Programing Interface (PAPI). In this section, we describe the Blue Gene® implementation of PAPI and usage. The second part of this paper gives a detailed description of the IBM High Performance Computing Toolkit for the Blue Gene/P™ system. Included in this section is a discussion of the MPI Profiler and Tracer™ , CPU profiling, the Hardware Performance Monitor, and the Modular I/O library. The final section of this paper gives tips for tuning I/O performance and the IBM General Parallel File System™ (GPFS™ ).

Table of contents

Part 1. Performance Application Programming Interface
Chapter 1. Implementing the Performance Application Programming Interface on Blue Gene/P
Chapter 2. PAPI usage
Chapter 3. Automatically Available Performance Counters
Part 2. High Performance Computing Toolkit
Chapter 4. MPI Profiler and Tracer
Chapter 5. CPU profiling using Xprofiler
Chapter 6. Hardware Performance Monitoring
Chapter 7. High Performance Computing Toolkit GUI
Chapter 8. I/O performance
Part 3. GPFS and I/O node
Chapter 9. IBM General Parallel File System and I/O node performance tuning

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