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SubjectRe: 2.1.28 compile & minor performance issues (fwd)



---------- Forwarded message ----------
Date: Wed, 5 Mar 1997 19:53:46 +0100 (MET)
From: Marc Lehmann <mlehmann@hildesheim.sgh-net.de>
To: "Michael L. Galbraith" <mikeg@mikeg.weiden.de>
Subject: Re: 2.1.28 compile & minor performance issues
>On Tue, 4 Mar 1997, Marc Lehmann wrote:
>
>> Another thing: could anybody benchmark that
>> a zero alignment on the pentium oes NOT impact performance.
>> In my opinion, a 4 byte alignment (as it is currently)
>> is just a sin.. it doesn't help the pentium, and
>> it doesn't help the i486 (it DOES help the i486 though).
>>
>I compiled kernel and libc with alignment set to 0/1.. no difference in speed.
>Anything above align 3 slows things down fast.
>

Did you use a pentium or a ppro? If you use a pentium, please post
this to linux-kernel, just as proof..

Thanks,
Marc

---------------------------------------------------------------------
for a pentium-optimizing gcc, look at http://www.goof.com/pcg

-----==-
----==-- _
---==---(_)__ __ ____ __ Marc Lehmann
--==---/ / _ \/ // /\ \/ / mlehmann@hildesheim.sgh-net.de
-=====/_/_//_/\_,_/ /_/\_\ pcg@goof.com
The choice of a GNU generation

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