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IBM System Blue Gene Solution: Performance Analysis Tools

An IBM Redpaper publication

Note: This is publication is now archived. For reference only.

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Published on 24 November 2008, updated 04 June 2009

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IBM Form #: REDP-4256-01


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

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Abstract

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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