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Re: Preparing the m68k port for the future.

On Fri, Jan 13, 2006 at 03:05:10PM +0100, Geert Uytterhoeven wrote:

Omitting debian-devel... 

> On Fri, 13 Jan 2006, Ingo Juergensmann wrote:
> > On Fri, Jan 13, 2006 at 02:09:19PM +0100, Wouter Verhelst wrote:
> > The main showblocker with that is that package building doesn't support "make
> > -jX" yet. I think other archs with SMP support might benefit as well when
> > there would be a way to support this feature... 
> Enabling `-j' will probably expose concurrency problems in the build system for
> lots of packages.

With the upcoming multi-core CPUs the need for sane SMP support will
increase, I think. 
When it would be possible to let the maintainer define if a package builts
fine on SMP systems with -j... 

> What about building different packages in parallel instead?

Erm, well, some m68ks already suffering from bad disk i/o (macs). Concurrent
builds might slow down the builds as well due to higher memory requirements.
For Amigas there're not that many accel cards that support >128M RAM... I
don't know how fast the disk i/o on ataris or macs is, but on my Amigas it's
<5 MB/s even with the new kernel patches from Kars... and using two buildds
with c++ builds on the same machine will result in much swapping for sure...

Ciao...                //        Fon: 0381-2744150 
      Ingo           \X/         SIP: 2744150@sipgate.de

gpg pubkey: http://www.juergensmann.de/ij/public_key.asc

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