OpenMP 17.0.0 Release Notes

Warning

These are in-progress notes for the upcoming LLVM 17.0.0 release. Release notes for previous releases can be found on the Download Page.

Introduction

This document contains the release notes for the OpenMP runtime, release 17.0.0. Here we describe the status of OpenMP, including major improvements from the previous release. All OpenMP releases may be downloaded from the LLVM releases web site.

Non-comprehensive list of changes in this release

  • Removed the “old” device plugins along with support for the remote and ve plugins

  • Added basic experimental support for libc functions on the GPU via the LLVM C Library for GPUs.

  • Added minimal support for calling host functions from the device using the libc interface, see this example.

  • Fixed the implementation of omp_get_wtime for AMDGPU targets.

  • Added vendor agnostic OMPT callback support for OpenMP-based device offload.