Re: JVM Interpreter

2018-08-25 Thread Kim Barrett
> On Aug 25, 2018, at 2:39 PM, mr rupplin wrote: > > I am presuming the JVM interpreter is defined/implemented in the the hotspot > module since this is a JVM implementation. This is probably more of a hotspot-dev or hotspot-runtime-dev kind of question, rather than core-libs. > I cannot seem

JVM Interpreter

2018-08-25 Thread mr rupplin
I am presuming the JVM interpreter is defined/implemented in the the hotspot module since this is a JVM implementation. I cannot seem to find *any* instruction in it that gets called by a simple "./java -ea Class" call. We are stumped. For instance there are methods for local set and referen

DatagramChannel performance issue

2018-08-25 Thread Martin Thompson
We've been diagnosing a performance issue and isolated it to receiving on a datagram socket where we are seeing a significant step down in performance, and increase in allocation, when more than one source is sending. https://github.com/frohoff/jdk8u-jdk/blob/master/src/windows/native/sun/nio/ch/D