Improve automatic threads placement

src/utils/PugsUtils.cpp

@@ -66,8 +66,8 @@ pugsBuildInfo()
 void
 setDefaultOMPEnvironment()
 {
-  if constexpr (std::string_view{PUGS_BUILD_KOKKOS_DEVICES} == std::string_view{"OpenMP"}) {
-    setenv("OMP_PROC_BIND", "spread", 0);
+  if constexpr (std::string_view{PUGS_BUILD_KOKKOS_DEVICES}.find("OpenMP") != std::string_view::npos) {
+    setenv("OMP_PROC_BIND", "spread,close", 0);
     setenv("OMP_PLACES", "threads", 0);
   }
 }