DatagramChannel performance issue

[Martin Thompson]

On Sun, 2 Sep 2018 at 19:28, Alan Bateman <Alan.Bateman at oracle.com> wrote:
> It shouldn't be too hard to eliminate the upcalls and construct the
> socket address at at the java level, it's just not something that has
> been brought up (at least not here or in JBS). Is this something that
> you want to work on?

I'm surprised you have not heard of performance issues with NIO
before. Most people I know that work in this space have issues with
Java. Maybe there could be better channels to solicit feedback and
help Java. Survivor bias would suggest we do not get to hear of the
failed cases that have to go with other languages and don't come back
to Java for IO code.

As I said I'd be happy to help. What would the process involve and
what would be the expectation of my efforts being a worthwhile
investment?

> As regards the benchmarks, can you package these up as and send an
> attachment? This is important because we can't accept contributions that
> don't come via OpenJDK infrastructure.

Attached a stripped down version of the repo.
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