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Re: [MISC] Den perfekte distro... eller hvordan ennørd fik sig en religiøs åbenbaring:-)



"Jesper Nielsen" <sslug@sslug> writes:

> Teoretisk må det nødvendigvis altid være optimalt med en rekompilering. Selv

Ja, men det er højst ikke-trivielt at finde hvilke flag man skal giver
oversætteren for at få det optimale resultat frem og det er ret
kodeafhængigt.

> hvis vi antager, at koden ikke kunne optimeres til en bestemt processor, kan
> man da i hvertfald slanke kernen betragteligt ved at fravælge alt det, som
> man ikke har brug for. Og slank = hurtig, hvad enten vi taler hamstere,
> mennesker eller kerner :-)

Det mener jeg ikke der er belæg for. Det eneste sted for slank har en
større betydning er kode der skal udføres i en stram løkke. Så kan det
have stor betydning at løkken kan være i cachen, ellers er det er
meget mindre betydning. 

-- 
 Peter Makholm     |  Ladies and gentlemen, take my advice, pull down your
 sslug@sslug |                            pants and slide on the ice
 http://hacking.dk |                                    -- Sidney Freedman


 
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