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Damian Rouson edited this page Aug 12, 2022 · 21 revisions

LLVM Flang Testing Project

Introduction

The Berkeley Lab Flang team develops tests for the LLVM-Project Flang Fortran compiler. Because of the paramount importance of parallelism in high-performance computing, we are focusing on Fortran’s parallel features, commonly denoted "Coarray Fortran."

Activities

  1. We are developing what we believe are the first exhaustive, open-source tests for the static semantics of Fortran 2018 parallel features.
  2. A related effort involves writing runtime tests for parallel 2018 features and supporting those tests by developing a new parallel runtime library: the CoArray Fortran Framework of Efficient Interfaces to Network Environments (Caffeine).

This LLVM-Project fork serves as our staging ground for new semantics tests, which ultimately get reviewed on the LLVM Phabricator site and then pushed to the main branch of the upstream LLVM-Project repository if approved on LLVM Fabricator.

Workflow

flowchart

Status

We are tracking our progress in the following GitHub Projects:

  1. Semantics tests for parallel features
  2. Semantic analysis in frontend
  3. Semantic tests for features used by Caffeine
  4. Implement runtime support for Fortran 2018 parallel features

Software Stack

caffeine-stack

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