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Article #10757

Re: Any new instructions in a i486?

#10757
From: Josh Osborne
Date: Tue, 22 Dec 1992 02:19
20 lines
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In article <id.RO0W.F1F@ferranti.com> peter@ferranti.com (peter da silva) writes:
>In article <BzMEIJ.Anz@pix.com> stripes@pix.com (Josh Osborne) writes:
[...someone says the cy486DLC + cy487 is about as fast is an i486DX...]
>> I don't think this is the case (but I would love to be wrong...).  I beleve
>> the #clocks each insn takes is more like the 386, then the i486.
>
>If NeXTstep does busyloops using instruction timing, I don't want it no
>matter WHAT it looks like.

I had removed all the stuff about NeXTstep from the message.  I was just 
disputing the speed claim.  However it turns out that I am wrong.  Which is
nice (in this case).

I really doubt thare any hard timing loops, more likely to be a MMU diffrence.
-- 
           stripes@pix.com              "Security for Unix is like
      Josh_Osborne@Real_World,The          Multitasking for MS-DOS"
      "The dyslexic porgramer"                  - Kevin Lockwood
We all agree on the necessity of compromise.  We just can't agree on
when it's necessary to compromise.       - Larry Wall
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Path: arc1-ca.pugleaf.net!sparky!uunet!europa.asd.contel.com!darwin.sura.net!bogus.sura.net!pandora.pix.com!stripes
References: <PCG.92Dec19162224@decb.aber.ac.uk> <BzMEIJ.Anz@pix.com> <id.RO0W.F1F@ferranti.com>

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From: stripes@pix.com (Josh Osborne)
Subject: Re: Any new instructions in a i486?
Message-ID: <Bzn2Gt.EJr@pix.com>
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References: <PCG.92Dec19162224@decb.aber.ac.uk> <BzMEIJ.Anz@pix.com> <id.RO0W.F1F@ferranti.com>
Date: Tue, 22 Dec 1992 02:19:41 GMT
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