McKown, John wrote:
-----Original Message-----
From: IBM Mainframe Discussion List
[mailto:ibm-m...@bama.ua.edu] On Behalf Of Ted MacNEIL
Sent: Thursday, June 04, 2009 4:04 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Why are z/OS people reluctant to use z/OS UNIX?
Considering the number of times the application code will be
executed in production, the cpu time invested in optimizing
it can be time well spent.
YES! 100%
As a capacity analyst since 1981, I've fought the battle of
the compiler vs the execution.
Run the compiler steps in a low priority service class and
stop complaining!
B*tch about poor transaction CPU consumption, not about poor
compiler consumption!
Generally agreed. But for any "one off", be sure to not over optimize!
I agree for hand optimized code. Leave it to the compiler, it knows best.
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