[FFmpeg-devel] [RFC] Runtime-inited versus Hardcoded tables.

Zdenek Kabelac zdenek.kabelac
Thu Jan 31 10:03:18 CET 2008


2008/1/31, Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de>:
> Hello,
> On Thu, Jan 31, 2008 at 02:12:23AM +0100, Michael Niedermayer wrote:
> > $free -m
> >              total       used       free     shared    buffers     cached
> > Mem:           181        177          3          0          0         49
> > -/+ buffers/cache:        127         53
> > Swap:          980        357        622
> >
> > And which OSs dont support COW?
>
> What does COW even matter here? This is about .rodata, with the right
> linker hacks that can even be shared on MMU-less systems.
> And even the experimental OS I wrote during my time as a student,
> despite not getting further than running a very basic shell without a
> proper filesystem supported COW...

And now I'm getting curious, how do you want to make COW with MMU-less
system - was your system running in some emulator/valgrind-like mode
?

Zdenek




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