Project

Regression tests and benchmarking/optimization procedures for regional climate model RegCM-4.1 climate code. by Mr. Tamirat Bekele Jimma B.Sc., Addis Ababa University, 2005

A thesis submitted to the Faculty of the Graduate School of Addis Ababa University in partial fulfillment of the requirements for the degree of Master of Science Department of Computational Science programme 2011

ii This research conducted incolaboration with the support of two known Italian laboratories, DEMOCRITOS National Simulation Center of IOM - istituto Officina dei Materiali Consiglio Nationale delle Ricerche and The Abdus Salam International Center for Theoretical Physics (ICTP).

DEMOCRITOS National Simulation Center of IOM - istituto Officina dei Materiali Consiglio Nationale delle Ricerche c/o SISSA Via Bonomea, 265 34136 Trieste Italy

The Abdus Salam International Center for Theoretical Physics Strada Costiera 11 34014 Trieste Italy

This thesis entitled: Regression tests and benchmarking/optimization procedures for regional climate model RegCM-4.1 climate code. written by Mr. Tamirat Bekele Jimma has been approved for the Department of Computational Science programme

Dr. Stefano Cozzini CNR-IOM democritos Trieste, Italy (thesis supervisor)

Dr. Gizaw Mengistu Addis Ababa University, Ethiopia (local advisor)

Examiner

Dr. Lemi Demeyu Chairman, Department graduate committee

Date

The final copy of this thesis has been examined by the signatories, and we find that both the content and the form meet acceptable presentation standards of scholarly work in the above mentioned discipline.

iv Tamirat Bekele Jimma, Mr. (M.Sc., Computational Science) Regression tests and benchmarking/optimization procedures for regional climate model RegCM-4.1 climate code. Thesis directed by Dr. Stefano Cozzini CNR-IOM democritos Trieste, Italy (thesis supervisor)

Abstract Regional Climate Model RegCM has been on continuous developments and changes that it was necessary to

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