From f74805609eba0fe862ddf1c3257ff4c337c3a329 Mon Sep 17 00:00:00 2001 From: TiborGY Date: Sun, 21 Oct 2018 13:36:47 +0200 Subject: [PATCH] Point out possible parallelism issues --- README.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/README.md b/README.md index 9ed9be337..bb881d132 100644 --- a/README.md +++ b/README.md @@ -154,6 +154,12 @@ Please read `GotoBLAS_01Readme.txt`. Statically link with `libopenblas.a` or dynamically link with `-lopenblas` if OpenBLAS was compiled as a shared library. +### Notes on parallelism + +There are a number of compile time options that alter the way OpenBLAS handles parallelism. +Calling a BLAS or LAPACK subroutine from a multithreaded region requires some special consideration. +Please see the wiki page on parallelism for more details. + ### Setting the number of threads using environment variables Environment variables are used to specify a maximum number of threads.