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

Standa Opichal opichals at
Sat Feb 18 16:17:25 CET 2006


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).



> -----Original Message-----
> From: olivier.landemarre at [mailto:Olivier.Landemarre at] 
> Sent: Saturday, February 18, 2006 8:51 AM
> To: aranym-user at; Standa Opichal
> Cc: aranym-user at
> 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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