JZOS does have native code (not byte code) that is part of the JVM which is
zIIP eligible.

The JZOS DFSORT wrapper spawns DFSORT in a separate process, which is not
part of the JVM and is therefore not zIIP eligible.


Kirk Wolf
Dovetailed Technologies
http://dovetail.com

On Fri, Oct 14, 2016 at 7:54 AM, Martin Packer <martin_pac...@uk.ibm.com>
wrote:

> DFSORT is not executing as bytecode in a JVM so no.
>
> Martin Packer,
> zChampion, Principal Systems Investigator,
> Worldwide Cloud & Systems Performance, IBM
>
> +44-7802-245-584
>
> email: martin_pac...@uk.ibm.com
>
> Twitter / Facebook IDs: MartinPacker
>
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> https://www.ibm.com/developerworks/mydeveloperworks/blogs/MartinPacker
>
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>
> https://itunes.apple.com/gb/podcast/mainframe-performance-
> topics/id1127943573?mt=2
>
>
>
> From:   David Crayford <dcrayf...@gmail.com>
> To:     IBM-MAIN@LISTSERV.UA.EDU
> Date:   14/10/2016 13:49
> Subject:        Does JZOS DFSORT get offloaded to a zIIP?
> Sent by:        IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU>
>
>
>
> I'm guessing the answer is no judging by the fact that JZOS spawns a
> jdfsort UNIX process to do the sort and if it did everybody would just
> write Java wrappers to
> sort data sets thus reducing the cost of running DFSORT.
>
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