You can't really. The oorexx multithreading is a cooperative one where
only one thread of Rexx code runs at any one time. The only time you would
really benefit from multiple cores is on calls to code outside the
interpreter. Once a thread makes an external call (for example, to an
external code library), another Rexx thread is freed up to run and the two
threads can run concurrently. If all of your work is being done directly
in oorexx code, there's little benefit to doing them in multiple threads.
Rick
On Fri, Oct 3, 2014 at 8:20 AM, Erich Steinböck <erich.steinbo...@gmail.com>
wrote:
> In order to speed up some rather lengthy processing I've moved the task
> into its own ::method Work within ::class Worker. I'm then starting a
> number of worker threads with …
>
> Threads=.array~new
> do Core=1 to Cores
> Threads~append(.Worker~new~start('WORK',Core,Cores))
> end
>
> … and collect their results by …
>
> T=0
> do Thread over Threads
> T+=Thread~result
> end
>
> I can see that the threads are running concurrently, their results are
> fine, but all threads seem to be running on a single core only,
>
> How can I utilize all existing cores on a multi-core CPU?
>
>
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