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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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