--- /dev/null
+--- jdk9u-jdk-9.0.4+12/hotspot/src/share/vm/runtime/globals.hpp~ 2018-01-22 16:19:02.000000000 +0100
++++ jdk9u-jdk-9.0.4+12/hotspot/src/share/vm/runtime/globals.hpp 2021-11-25 11:20:23.436642199 +0100
+@@ -577,7 +577,7 @@ public:
+ range(8, 256) \
+ constraint(ObjectAlignmentInBytesConstraintFunc,AtParse) \
+ \
+- product(bool, AssumeMP, false, \
++ product(bool, AssumeMP, true, \
+ "Instruct the VM to assume multiple processors are available") \
+ \
+ /* UseMembar is theoretically a temp flag used for memory barrier */ \