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Subject: Re: IA-64 vs OOOE (attn Taylor, Hyatt)

Author: Tom Kerrigan

Date: 20:27:04 02/11/03

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On February 11, 2003 at 23:11:09, Charles Roberson wrote:

>
>  Out-of-order execution is nothing more than the ability to execute
>instructions in an order different from the serial order in the code.
>It has nothing to do with branching, but it enables other branching techniques.
>OOOE is simply:
>   1) the code has instructions a,b,c,d, in that order
>   2) if there are no serial dependencies then they can be executed in the
>       b,d,c,a order.
>
>    That is all OOOE is.

I don't see how this is different from what I said. Branches are instructions
too.

-Tom



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