SAM plus plus : Porting the E3SM-MMF cloud resolving model using a C plus plus portability library
INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS(2022)
摘要
In this work, we demonstrate the process for porting the cloud resolving model (CRM) used in the Energy Exascale Earth System Model Multi-Scale Modeling Framework (E3SM-MMF) from its original Fortran code base to C++ code using a portability library. This porting process is performed using the Yet Another Kernel Library (YAKL), a simplified C++ portability library that specializes in Fortran porting. In particular, we detail our step-by-step approach for porting the System for Atmospheric Modeling (SAM), the CRM used in E3SM-MMF, using a hybrid Fortran/C++ framework that allows for systematic reproduction and correctness testing of gradually ported YAKL C++ code. Additionally, analysis is done on the performance of the ported code using OLCF's Summit supercomputer.
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关键词
Accelerator Computing, C plus plus, C plus plus, Fortran Interoperability, Cloud Resolving Model, Portability
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