On Mon, 2010-03-15 at 20:37 -0600, Charles Oliver Nutter wrote: > I'm trying to find the right way to phrase my question to make sure I > get the right answer... > > 1. Do I need to use all direct method handles to get inlining from the > caller to the callee? > 2. If I have a Java method handle that does a MethodHandle.invoke call > in its body, will that invoked handle get inlined all the way back for > all callers? > 3. Does the body of the method pointed at by a JavaMethodHandle get > specialized for all call sites, so that it doesn't appear to be a > single body of code with a megamorphic invocation of a separate > handle? > > Am I making my question clear enough?
I don't think I can really answer these questions, someone else can probably do better. > Also, additional questions: > > 4. I still needed to bump up inlining budgets considerably to get > anything to inline across the dynamic call. Will that always be the > case, or is there still a plan to get dynamic call plumbing excluded > from that budget? We changed something about inlining depth, but you probably still have to use InlineSmallCode to get all methods on the path inlined. > 5. What can I do to investigate why current MLVM is, in all cases, > slower than what we had last fall? Look at the inline tree. Is the slowdown happening with a particular benchmark or with all of them? We can have a look when you're online on IRC again. -- Christian _______________________________________________ mlvm-dev mailing list mlvm-dev@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev
