Hi Guido,
we're happy to take performance improvement contributions however they
should be backed with some JMH benchmark to prove the claimed perf benefits
:-)

You can easily run benchmarks by just adding one to our akka-bench-jmh
subproject.

Looking forward to the PR, then we can discuss changes in detail!

On Thu, May 28, 2015 at 9:00 PM, Guido Medina <[email protected]> wrote:

> In fact, I think my implementation should not only be faster but it is
> also safer due to the *-unlikely event?-* of reaching Long.MAX_VALUE, a
> side by side comparison:
>
>    - Both implementations "compare and set" the value atomically, but
>    mine does it for an *AtomicInteger vs AtomicLong* which is cheaper.
>    - My implementation does one increment of an integer and compare it
>    against the size and return either the new value if less or  equal than
>    size or zero, the original implementation always MOD a long value which
>    according to my research *-not a very extensive one-* moding cost >
>    dividing cost > multiplying cost > incrementing cost
>
> The other issue not strictly related with my implementation is that the
> static and singleton *NoRoutee* instance is a private member of
> *Router.scala* making it unusable for *RoutingLogic* extenders, and Akka
> does use equality *-if routee == NoRoutee then deadletters ! tell...-* which
> makes anyone's custom *RoutingLogic* implementation not able to behave
> like any other Akka provided RoutingLogic so I think it needs to be made
> public and mentioned in the documentation clarifying that returning it from
> a RoutingLogic will drop the message into the dead letters.
>
> Best regards,
>
> Guido.
>
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-- 
Cheers,
Konrad 'ktoso' Malawski
Akka <http://akka.io/> @ Typesafe <http://typesafe.com/>

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