On 02/07/2012 08:28 PM, Mark Roos wrote: > Christian asked: > > What exactly do you mean by "invalidate call sites before the > benchmark"? > Are you using MutableCallSites and call setTarget on them? > > Exactly. I am using setTarget to set each call site to its initial > fallback method. This should drop the > GWT lookup chain forcing each call site to rebuild the chain. The > method handles for the code still exist but > the GWTs that reference them are gone. This is my current way to > force the call sites to get new versions > of the method code. > > thanks
Mark, you should use a SwitchPoint instead of calling a lot of setTarget() because each setTarget() may require all threads of the VM to go to a safepoint so you may create a 'safepoint storm' (as coined by Dan Heidinga). > > mark Rémi _______________________________________________ mlvm-dev mailing list mlvm-dev@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev
