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The SAGE Graph Theory Project aims to implement Graph objects and algorithms in ["SAGE"]. The SAGE [http://sage.math.washington.edu:9001/graph Graph Theory Project] aims to implement Graph objects and algorithms in ["SAGE"].

TableOfContents

Introduction

The SAGE [http://sage.math.washington.edu:9001/graph Graph Theory Project] aims to implement Graph objects and algorithms in ["SAGE"].

The main people working on this project are Emily Kirkman, Robert Miller and Bobby Moretti.

Our initial tests are designed to compare the constructions and very basic functionality found in our [http://sage.math.washington.edu:9001/graph_survey survey of existing software]. At this stage in the game, we are testing to find the best way to construct graph objects in ["SAGE"]. For the initial benchmarks listed below, we will be comparing MAGMA, Mathematica (with Combinatorica), Maple, NetworkX, GRAPE, and nauty.

We will post results here as we get them. And as always, we love feedback!

Initial Benchmarks

Generic Constructor

  • Create a graph with n nodes and no edges

Edge Storage

  • Fill in and then delete all edges one by one

Specific Constructors

Complete

Complete bipartite

Cycle

Basic Storage Speed

  • Compute the number of edges

Basic Algorithms

Connectivity

Diameter

Girth

Chromatic number

graph_benchmark (last edited 2008-11-14 13:41:59 by localhost)