P4
On PPC64, we currently generate unnecessary fence instructions which make performance even worse.
On s390, the signal handler needs a fix in order to work with -XX:+UseMember.
In addition, switch on ShareVtableStubs in order to reduce code cache usage. Modern processors don't seem to benefit from having it off it since the predictors have become better.
On s390, the signal handler needs a fix in order to work with -XX:+UseMember.
In addition, switch on ShareVtableStubs in order to reduce code cache usage. Modern processors don't seem to benefit from having it off it since the predictors have become better.