Weather Research & Forecasting Model Xabriel J Collazo-Mojica Alex Orta Michael McFail Javier Figueroa.

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Presentation transcript:

Weather Research & Forecasting Model Xabriel J Collazo-Mojica Alex Orta Michael McFail Javier Figueroa

Presentation Overview Research Motivation Current Project Status WRF Documentation Draft WRF Benchmarking Status/Process WRF Profiling Status Hurricane Mitigation Wiki Website Pending Goals Summary

Motivation Lack of documentation of the WRF code, producing unknown knowledge of the code’s functionality Need of more computing power to calculate higher resolution weather forecasts Need to understand WRF internal behavior in GRID environment for future improvement

Challenges Accomplished: WRF Documentation First Draft WRF Benchmarking Started WRF Profiler Evaluation First Draft To be accomplished: Finish Documentation (Final Draft) Finish Benchmarking and create paper about results Finish Profiler Evaluation Populate “Hurricane Mitigation Wiki Page”

WRF Documentation Finished WRF Documentation First Draft PDF Overview WRF Documentation in Google Future effort to make it a formal Document Help future developer community Get input from Community John Michalakes

WRF Benchmarking Finished Benchmarking GCB Continued effort to generate a Mathematical Model for WRF behavior Preparation for Benchmarking University Of North Florida, 32 node, 128 CPUs cluster

Finished Benchmarking GCB

Mathematical Model for WRF behavior

Benchmark UNF’s cluster 32 node – 128 CPUs cluster If we use the same input we can compare to GCB’s. More nodes = More data Is our current equation even close?

WRF Profiling Final set of criteria to evaluate profiler tools Final Profilers TAU SvPablo Paraver IBM HPC Toolkit PGI-CDK The profiler that best fit WRF will be profiling the program

Profiler Evaluation Criteria Ease of Use Documentation Tutorial User Friendly MPI openMP FORTRAN Supports MPI and FORTRAN No support for openMP Call Graph Source Code Correlation Supported and may be better than Paraver PriceFree Ease of Use Documentation Tutorial User Friendly MPI openMP FORTRAN Supports MPI, openMP and FORTRAN Call Graph Source Code Correlation Excellent call graph using Paraprof visualization tool PriceFree SvPabloTAU More information in the Google DocumentGoogle Document Profiler evaluation criteria example:

Goals Produce final draft of WRF Documentation Benchmarking WRF in bigger environments Come up with a Mathematical equation to model WRF behavior Finish profiler evaluation Use profiler on WRF

Summary Finished the WRF Documentation Draft Finished Benchmarking GCB cluster Gained research experience on graduate student projects Obtained great knowledge on High Performance Computing, FORTRAN and parallel computing

Questions?

Acknowledgements National Science Foundation Research Experience for Undergraduates FIU program ( Florida International University Dr. Masoud Sadjadi WRF Team FIU graduate students