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Zoltan:
Parallel Partitioning, Load Balancing and Data-Management Services

Developer's Guide

### The Zoltan Team

Sandia National Laboratories Erik Boman Cedric Chevalier Karen Devine Vitus Leung Lee Ann Riesen | Ohio State University Umit Catalyurek Doruk Bozdag

### Past Zoltan Contributors

Sandia National Laboratories: Robert Heaphy Bruce Hendrickson Matthew St. John Courtenay Vaughan | Williams College James Teresco

National Institute of Standards and Technology William F. Mitchell | Rensselaer Polytechnic Institute Jamal Faik Luis Gervasio

Zoltan Developer's Guide, Version 3.2

####

DOWNLOAD PDF VERSION HERE.

#### Introduction and General Principles

> Philosophy of Zoltan
> Coding Principles in Zoltan
> Include files
> Global Variables
> Function Names
> Parallel Communication
> Memory Management
> Errors, Warnings and Return Codes
> Zoltan Quality Assurance

#### Zoltan Distribution

CVS
Layout of Directories
Compilation and Makefiles

#### Zoltan Interface and Data Structures

Interface Functions
ID Data Types
Data Structures

#### Services (to simplify new algorithm development)

Parameter Setting Routines
Parallel Computing Routines
Common Functions for Querying Applications
Hash Function
Timing Routines
High-Level Timing Services: ZOLTAN_TIMER
Debugging Services

#### Adding New Load-Balancing Algorithms to Zoltan

Load-Balancing Interface Routines
Load-Balancing Function Implementation
Data Structures
Memory Management
Parameters
Part Remapping

#### Migration Tools

#### FORTRAN Interface

#### C++ Interface

#### References

#### Appendix: Using the Test Drivers zdrive, zCPPdrive and zfdrive

Introduction
Running the Test Drivers
Adding New Algorithms

#### Appendix: Visualization of Geometric Partitions

2D problems with gnuplot
3D problems with vtk_view
Off-screen rendering with vtk_write
Other file formats

#### Appendix: Using the Test Script test_zoltan

#### Appendix: Recursive Coordinate Bisection (RCB)

#### Appendix: Recursive Inertial Bisection (RIB)

#### Appendix: Graph Partitioning (ParMETIS and Jostle)

#### Appendix: Hypergraph Partitioning (PHG)

#### Appendix: Refinement Tree

#### Appendix: Hilbert Space_Filling Curve (HSFC)

#### Appendix: Handling Degenerate Geometries

Copyright (c) 2000-2007, Sandia National Laboratories.

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