slow gcc (was: RE: [Aranym-user] Speed up natfeat possible?)

olivier.landemarre at utbm.fr Olivier.Landemarre at utbm.fr
Sat Feb 18 19:34:19 CET 2006


Selon Standa Opichal <opichals at seznam.cz>:

> Hi!
>
> Good, now you can move this problem to MiNT list if someone will
> explain what is wrong. MiNT is generally slower than MagiC no matter
> what. You would probably need some numbers to compare. It would be
> great to get MagiC setup running in ARAnyM for this (it doesn't boot
> for me)...
>
> Oh.. you are running JIT! If you are not under EmuTOS then test with
> that one. Because only there you avoid hitting crazy performance
> penalty accessing IDE (this looked to me actually slower than running
> completely without JIT).

How can access to hostfs? I should use Betados? I'm not sure GCC work on it,
even my old gcc (2.8.1). I can't copy all gcc on my virtual disk boot.

Olivier

>
> Regards
>
> Standa
>
>
> > -----Original Message-----
> > From: olivier.landemarre at utbm.fr [mailto:Olivier.Landemarre at utbm.fr]
> > Sent: Saturday, February 18, 2006 8:51 AM
> > To: aranym-user at lists.bobek.cz; Standa Opichal
> > Cc: aranym-user at lists.bobek.cz
> > Subject: RE: [Aranym-user] Speed up natfeat possible?
> >
> >
> > >
> > > Whereas in the way we have chosen for the FreeMiNT HostFS
> > approach was
> > > to implement the .xfs interface according to the design not
> > having to
> > > hack any GEMDOS layer or something. This however means that
> > the FreeMiNT
> > > kernel VFS layer decomposes the path to individual segments
> > where for
> > > each of which it constructs so called FCOOKIE structure
> > (see the kernel
> > > sources for more info). Then to access the file on the native side
> > > hostfs.cpp code constructs the host filesystem path from the
> > > segments back to a string which is then used for the POSIX compliant
> > > file IO functions.
> >
> > I have look for this, and as I can see on debug info,
> > translation is fast and
> > it's look not here it take so many time. I agree I think now
> > the slow reason is
> > in Mint and not in Aranym, it looks have delay there is not
> > with Magic, perhaps
> > it could come with redirection or with pwait (I not think I
> > probably see it with
> > MyAeS). This is very strange. I have test on ext2 partition
> > this is slow too, I
> > have add more JIT cache size no diffrence.
> >
> > Olivier
>
>
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