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Are there optimizers for library languages such as C? Or isn't that
considered important anymore?
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Optimizers can help BUT: 1: they can't always
> -Original Message-
> From: IBM Mainframe Discussion List
> [mailto:ibm-m...@bama.ua.edu] On Behalf Of Howard Brazee
> Sent: Thursday, August 12, 2010 9:31 AM
> To: IBM-MAIN@bama.ua.edu
> Subject: Re: basic questions about machine instructions
>
> On 12 Aug 2010
On 12 Aug 2010 06:35:34 -0700, john.mck...@healthmarkets.com (McKown,
John) wrote:
>So the programmers don't even need to understand machine architecture any
>more.
>Unfortunately, this leads them to write poorly performing code due to a total
>lack of
>understanding of even basic knowledge of
> -Original Message-
> From: IBM Mainframe Discussion List
> [mailto:ibm-m...@bama.ua.edu] On Behalf Of john gilmore
> Sent: Thursday, August 12, 2010 8:10 AM
> To: IBM-MAIN@bama.ua.edu
> Subject: Re: basic questions about machine instructions
>
>
> Moreove
I very largely agree with Gerhard Postpischl's comments.
The question of the effects of new machine instructions on execution times
does, however, require further comment.
The first, surpassingly obvious thing that must be said about new instructions
is that not every mainframe currently i
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