>Are you saying that in production there is no value in using the optimization 
>features of the compilers to produce much better executing machine code, and 
>instead sticking with the un-optimized code available for use with a source 
>level debugger?

Yes, I am.

>That seems like a complete waste of CPU cycles to me.  The compiler folks (IBM 
>and non-IBM) spend a huge amount of time on the optimizers to improve the 
>generated code to squeeze as much out of the processor as possible.


Can you find a measurable difference between 'optimised' and 'non-optimised' 
code, these days?

I/O, yes.
CPU, no.

-
Too busy driving to stop for gas!

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