calling code that uses jsr166y

[Tim Pigden]

Hi

I'm going to be calling some Java multi-threaded code that is currently using JSR166Y (due to backward compatibility requirements with some legacy java 6 code).

My Java developer wants to know if he should do a branch to use java7 (or 8) compatible fork join pool instead

The intention is I call this from within an actor and possibly from within multiple actors (i.e. simultaneously). So I could have 2 or 3 actors each calling this code (a fairly long lived dynamic program at up to 500ms) which itself is using fork join to parallel process with a fairly low number of threads.

Is there a recommendation of best practice here?

Tim

[Viktor Klang]

Hi Tim,

is it using ForkJoinTask/RecursiveTask directly?

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[Tim Pigden]

hi - yes

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Tim Pigden
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[Viktor Klang]

Hmmm, I've reread your question a couple of times and I am not sure what you are asking, is there something more specific your wonder? (I don't know what goals you have)

[Tim Pigden]

Hi Viktor,

Ok sorry - I'm not an expert in these matters - apologies for the vagueness.  I'll do some homework and make him read the docs. Dispatcher looks a good place to start. 

[Viktor Klang]

Hi Tim,

Akka fork-join-executor-based dispatchers uses Scala's embedded jsr166 version of FJ.

I don't think it lets you work with FJT though.

On Wed, Jan 7, 2015 at 1:16 PM, Tim Pigden <tim.p...@optrak.com> wrote:

Hi Viktor,

Ok sorry - I'm not an expert in these matters - apologies for the vagueness.  I'll do some homework and make him read the docs. Dispatcher looks a good place to start. 

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