llvm-project/flang/docs/ParallelMultiImageFortranRuntime.md
Dan Bonachea a58038307a
[flang] Document experimental support for multi-image features (#178011)
This PR updates flang's Fortran standard conformance documentation to
reflect the recent addition of experimental support for multi-image
features.

PRs implementing that support include:
* #151675
* #154081
* #154770
* #154166
* #165573
2026-01-28 10:11:35 -08:00

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# Multi-Image Parallel Fortran Runtime
The Parallel Runtime Interface for Fortran (PRIF) defines an
interface designed for LLVM Flang to target implementations of
Fortran's multi-image parallel features.
The current revision of the PRIF specification is here:
<https://doi.org/10.25344/S46S3W>
Library implementations of PRIF include:
* [Caffeine](https://go.lbl.gov/caffeine) - portable open-source implementation targeting shared- and distributed-memory systems running Linux or macOS