No change in coding.  Change in placement of object code.

On Wed, Jun 1, 2016 at 11:49 AM, Itschak Mugzach <[email protected]> wrote:
> Sure. Less cup and much more manual work when a subroutine is updated...
>
> ITschak
>
> נשלח מה-iPad שלי
>
> ‫ב-1 ביוני 2016, בשעה 19:44, ‏‏Mike Schwab ‏<[email protected]> כתב/ה:‬
>
>> Increase in size would indicate small subroutines converted to
>> instream code.  Branches are expensive, so more core means faster /
>> less CPU programs, at expense of more memory / I/O.
>>
>>> On Wed, Jun 1, 2016 at 11:40 AM, Paul Strauss <[email protected]> wrote:
>>> My customer wants to start the migration to Enterprise COBOL V5.2. I know
>>> V6.1 is out but we need to get going on this project. I have deleted all
>>> COBOL compilers below Enterprise COBOL V4.2 from their systems. I worked
>>> with an applications representative and they have decided on the compiler
>>> options they want. Load library conversion to PDSE is complete. Analysis
>>> of load libraries looking for OS/VS COBOL and determining which of those
>>> load modules are still in use has been determined and they will be
>>> recompiled either with Enterprise COBOL V4.2 or V5.2. I know there are
>>> some others things to look at but these are done.
>>>
>>> If there is a COBOL specific web site for these types of questions that
>>> would be a better place for these questions please let me know.
>>>
>>> Some users have been playing with the new compiler and comparing it with
>>> Enterprise COBOL V4.2. They have picked a few current programs and
>>> compiled, linked and run them. One load module was 3-4 times as big when
>>> compiled with OPT(2). With OPT(0) it was  %50 larger. Is this a typical
>>> increase in size for V5.2 compiles?
>>>
>>> Has anyone noticed a difference in CPU execution time either way?
>>>
>>> A size increase would not be a big problem but a large increase in CPU
>>> time would be.
>>>
>>> Thank You,
>>>
>>> Paul Strauss
>>>
>>> IBM Global Services
>>> z/OS MVS and Program Products
>>> Department F2VE
>>> 150 Kettletown Rd.
>>> Southbury, CT 06488
>>> (203) 272-2758
>>> [email protected]
>>>
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>>
>>
>>
>> --
>> Mike A Schwab, Springfield IL USA
>> Where do Forest Rangers go to get away from it all?
>>
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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