Re: [2.6 patch] add a config option for -Os compilation

[Ihar 'Philips' Filipau]

Ihar 'Philips' Filipau wrote:
> Wichert Akkerman wrote:
>
> > Previously Ihar 'Philips' Filipau wrote:
> >
> > >  The goal of kernel is to provide framework for applications to the 
> > > job well.
> >
> >
> > I doubt anyone using linux for routing would agree with you.
>
>   This is different matter.
>   This is IO bound task - and I'm not sure how -Os will perform there.
>   But still this depends on routing protocols and their requirements.
>
>   In any way in this case bottleneck is PCI bus (DMA over PCI from NIC 
> to main memory and back). I bet software will show up in timing tests as 
> taking <10% of whole time.

  Sorry I mean't calculations and alike will take <10%.
  Sure in case of software router 90% of time will be spent in CPU.

--
Ihar 'Philips' Filipau  / with best regards from Saarbruecken.
--
  "... and for $64000 question, could you get yourself vaguely
     familiar with the notion of on-topic posting?"
				-- Al Viro @ LKML

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