Computer Chess Club Archives




Subject: Re: Introducing "No-Moore's Law"

Author: Jeremiah Penery

Date: 22:19:12 03/04/03

Go up one level in this thread

On March 04, 2003 at 23:06:39, Robert Hyatt wrote:

>On March 04, 2003 at 19:22:50, Matt Taylor wrote:
>>Nonsense. 486 is all you have to support to be compliant with the full ISA.
>You remind me of my son.  :)
>To wit:  when the "walk" light comes on, he is going to walk across the
>street because he _has_ the right of way.  I keep telling him that he is
>right of course, and one day he might end up _dead_ right.
>I personally look before walking regardless of the color of the light.  I look
>before I leave when a light turns green, to be sure some idiot is not going to
>run the light and make _me_ "dead right".
>And that is where we are here.  You want to advertise that a machine is
>equivalentto intel, but faster and cheaper, feel free.  And if you want to stand
>on the fine print "but if a program uses cmov without checking the CPUID
>processor capability bits it is a bad piece of software."  But the _customers_
>will think the machine is broken, and _they_ are the ones you are trying to
>market to.  You end up right.  Dead right.
>There is "right" and there is "right".

When you don't check the CPUID flags before using certain instructions, you are
the one walking across the street without checking for traffic.

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