diff -ruN openmp-14.0.0.src.orig/runtime/src/kmp_lock.cpp openmp-14.0.0.src/runtime/src/kmp_lock.cpp

--- a/openmp-14.0.0.src.orig/runtime/src/kmp_lock.cpp	2022-03-14 10:44:55.000000000 +0100

+++ b/openmp-14.0.0.src/runtime/src/kmp_lock.cpp	2022-04-22 10:58:26.736078432 +0200

@@ -2663,7 +2663,7 @@

 }

 // Truncated binary exponential backoff function

-void __kmp_spin_backoff(kmp_backoff_t *boff) {

+void __attribute__((optimize("O1"))) __kmp_spin_backoff(kmp_backoff_t *boff) {

   // We could flatten this loop, but making it a nested loop gives better result

   kmp_uint32 i;

   for (i = boff->step; i > 0; i--) {