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SPEL - Software Package for E3SM Land Model: Code Understanding and Functional Unit Testing

Year: 2025

Type: conference-paper

Abstract: The Software Package for E3SM Land Model (SPEL) is a versatile tool designed to automate the creation and validation of unit tests for subroutines within the ELM code. By analyzing variable usage, control flow based on macros and namelist configurations, and ELM's Fortran codebase, SPEL captures code context, dependencies, and call tree structures. This analysis, stored in a database, addresses the challenges of understanding complex scientific codes. SPEL also automates the generation of standalone unit test programs, handling dependency analysis, code generation, and bit-for-bit verification. Streamlining testing, debugging, and code analysis, SPEL serves as a valuable asset for ELM development and maintenance.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.16877457

Authors: Schwartz, Peter, Wang, Dali, Thornton, Peter

Institution: Oak Ridge National Laboratory

Language: English

Topic: Software Testing and Debugging Techniques

Subfield: Software

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

Funder: Biological and Environmental Research

OpenAlex ID: W6893410224

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