Have you done any benchmarking whether the synchronization in PropertyListeners gives us overhead? Any other numbers we should know about?
On 27 Feb 2014, at 18:22, Hannes Wallnoefer <[email protected]> wrote: > Please review JDK-8035948 - Redesign property listeners for shared classes: > > http://cr.openjdk.java.net/~hannesw/8035948/ > > This prepares property maps and property listeners to work better with > classes that are reused between JS environments. The central ideas are: > > - Reuse property maps between globals in order to minimize polymorphism. > - Use SoftReferences for property map history to avoid memory leaks > - Redesign property listeners to be attatched to property maps only since > ScriptObjects are specific to one JS environment. > - Reduce number of property listeners by only creating them when needed (when > a callsite accesses an inherited property). > - Reduce number of prototype history lookups in property maps by using a > unique combination of prototype/property maps from the start. > > Actual class sharing functionality is coming in a later webrev. Let me know > if you have any questions about this. > > Hannes
