Can recompiling your kernel lead to speed improvements

[Leon Goldstein]

Net Llama! wrote:

>On Thu, 7 Dec 2006, Leon Goldstein wrote:
>  
>
>>I found that recompiling for the specific CPU made a big difference on
>>my old Compaq Presario.
>>
>>This box originally had a K6-2 350 mHz; recompiling shaved a few seconds
>>off boot and KDE start up.
>>When I upbrained the box to K6-III+ 450 mHz (clocked to 500 mHz) the
>>performance difference was really noteworthy.
>>I've done some timings and the K6-III+ box equals or exceeds a Celeron
>>850 box.  Both systems run Libranet 2.8.1 and 3.0 Debian.  (The 850
>>Celeron box has a recompiled kernel too.)  Libranet's admin tool for
>>kernel recompilation makes recompiling a kernel easy.
>>    
>>
>
>So that's like comparing a snail to a tortoise?  ;)
>
>  
>
The K6-III+ equipped Presario is hardly a snail.
My point may be that recompiling a kernel to a specific CPU may result 
in noticeable performance improvement  with a slow(er) CPU.

-- 
Leon A. Goldstein

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