From 842946bc7026bea8bd70bcba27550409b4538b52 Mon Sep 17 00:00:00 2001 From: Hendrik Ranocha Date: Thu, 5 Oct 2023 16:32:10 +0200 Subject: [PATCH] mention package extension for MPI (#1122) --- docs/src/mpi.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/src/mpi.md b/docs/src/mpi.md index 0da4f4504..d34914ae3 100644 --- a/docs/src/mpi.md +++ b/docs/src/mpi.md @@ -11,9 +11,10 @@ They are also available via the package manager of a number of Linux distributions. Finally, note that the MPI.jl package is lazy-loaded by HDF5.jl -using [Requires](https://github.com/JuliaPackaging/Requires.jl). +using [Requires](https://github.com/JuliaPackaging/Requires.jl) up to Julia v1.8. In practice, this means that in Julia code, `MPI` must be imported _before_ `HDF5` for parallel functionality to be available. +In Julia v1.9 and newer, a package extension is used to reduce the latency. ## Setting-up Parallel HDF5