Object-Oriented Design for Sparse Direct Solvers | Zendy

Florin Dobrian | Zendy; G Kumfert | Zendy; Alex Pothen | Zendy

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Object-Oriented Design for Sparse Direct Solvers

Author(s) -

Florin Dobrian,

G Kumfert,

Alex Pothen

Publication year - 1998

Publication title -

lecture notes in computer science

Language(s) - English

Resource type - Book series

SCImago Journal Rank - 0.249

H-Index - 400

eISSN - 1611-3349

pISSN - 0302-9743

DOI - 10.1007/3-540-49372-7_22

Subject(s) - computer science , flexibility (engineering) , extensibility , object oriented programming , object (grammar) , software , object oriented design , computational science , programming language , theoretical computer science , computer engineering , parallel computing , engineering drawing , artificial intelligence , mathematics , statistics , engineering

We discuss the object-oriented design of a software package for solving sparse, symmetric systems of equations (positive definite and indefinite) by direct methods. At the highest layers, we decouple data structure classes from algorithmic classes for flexibility. We describe the important structural and algorithmic classes in our design, and discuss the trade-offs we made for high performance. The kernels at the lower layers were optimized by hand. Our results show no performance loss from our object-oriented design, while providing flexibility, ease of use, and extensibility over solvers using procedural design.

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