IBM AWM Training

IBM AWM Online Training

Introduction to Application Workload Modeler (AWM)

  • Motivation
  • Addressed Types of Systems
  • Contribution of the Presented Work

Motivation

  • Open Problems in Performance Evaluation.
  • Demands on a workload modeling framework and methodology for Parallel Processing Systems.

Addressed Types of Systems

  • User System Interaction
  • System under Test and Component under Study
  • Parallel architectures.
  • Parallel Programs

Contribution of the Presented Work

  • Summary of the Framework and the Methodology.
  • Outline of the Thesis

Workload Modeling –Framework and Methodology

  • Definition of Workload
  • Workload Model Construction in a Performance Evaluation Cycle
  • Constructing a Non- Executable Test Workload Model

Definition of Workload

  • Workload Components
  • Specifying the Test Workload
  • Parallel Workload Characteristics

Workload Model Construction in a Performance Evaluation Cycle

  • Influence of the Objective of the Evaluation Study
  • Influence of the Evaluation Techniques

Constructing a Non- Executable Test Workload Model

  • Model Parameterization
  • Validation Criteria for Workload Models

Survey and Comparison of Parallel Workload Models

  • Parameter Based Models
  • Profiles, Signatures and Shapes
  • Ratio’s for Varying System Size
  • Graph Models

Parameter Based Models

Profiles, Signatures and Shapes

Ratio’s for Varying System Size

Graph Models

  • Undirected Graph Models
  • Directed Graph Models

Scalability Analysis

  • Scalability Concepts
  • Visual Approach for Scalability Analysis
  • Examples

Scalability Concepts

  • Problem Definitions
  • Scalability Index
  • Characterizing the Architecture Size A
  • Characterizing the Amount of Work W
  • Sources of Overhead
  • Evaluation Techniques for Scalability Analysis

Visual Approach for Scalability Analysis

  • Performance Characteristics
  • Model Parameters and Definitions
  • Comparison to other Approaches

Examples

  • An Embarrassingly Parallel Problem
  • Householder Reduction
  • FFT
  • Finite Element Method

Summary and Future Work

  • Abbreviations and Symbols
  • Definitions and Derivation

Abbreviations and Symbols

Definitions and Derivation

  • Petri Nets
  • Series Parallel Graphs
  • Stochastic Process
  • Queuing Networks
  • Complexity Notation
  • Bounds on and Relations between Ratios’s
  • Bounds
  • Relations

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