Vectorization of the Generalized Born Method in AMBER

11/21/00

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Table of Contents

Vectorization of the Generalized Born Method in AMBER

Agenda

CRAY SV1 — Target Applications

CRAY T3E — Target Applications

Motivation

Solvent Effects

Simulations Limitations

Continuum Models

Discrete Hydration

Solvation Free Energy

Electrostatic Contribution to the Free Energy of Solvation

Generalized Born (GB) Equation

Non-electrostatic Contributions to the Solvation Energy

Generalized Born Routine Optimization

Original Loop 200

Loop 200 — Step 1

CRAY SV1 Architectural Features

Single CPU Performance

Myoglobin Single CPU Performance on a CRAY SV1

Mflops versus Number of Atoms for Four Different Proteins

Myoglobin Multiple CPU Performance on CRAY SV1

Summary

Future Work

Acknowledgements

Author: Carlos Sosa and T. Hewitt, (CRAY) and David Case, (SCRIPPS)

Email: someone@microsoft.com