From: Matthias Maier <tamiko@43-1.org>
Date: Sun, 1 Jan 2023 19:41:23 +0000 (-0600)
Subject: CMake: Silence a Kokkos warning about unset OMP_PROC_BIND
X-Git-Tag: v9.5.0-rc1~691^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a249438a4483692c0e2759736a6aabd2a0e135b;p=dealii.git

CMake: Silence a Kokkos warning about unset OMP_PROC_BIND

We now set the OMP_PROC_BIND variable to false to allow free movement of
the two worker threads and silence a KOKKOS warning (which might insist
on this variable to be defined).
---

diff --git a/cmake/scripts/run_test.sh b/cmake/scripts/run_test.sh
index b3c58b6f49..6d8f94af2b 100644
--- a/cmake/scripts/run_test.sh
+++ b/cmake/scripts/run_test.sh
@@ -75,8 +75,13 @@ case $STAGE in
     #    set it to 4,2,1 to set parallelization levels inside parallelized blocks
     # 2. OMP_THREAD_LIMIT limits the total number of threads, independent of
     #    nesting
+    #
+    # 3. In addition we set the OMP_PROC_BIND variable to false to allow
+    #    free movement of the two worker threads and silence a KOKKOS
+    #    warning (which might insist on this variable to be defined).
     export OMP_NUM_THREADS="2"
     export OMP_THREAD_LIMIT="2"
+    export OMP_PROC_BIND="false"
 
     # Allow oversubscription for MPI (needed for Openmpi@3.0)
     export OMPI_MCA_rmaps_base_oversubscribe=1