[arch-ports] [Arch64] Slow 32 bit apps And xf86-video-unichrome

Sergey Manucharyan sm at netsys.am
Mon Apr 3 23:55:17 EDT 2006

Hi folks,

I didn't try to run 32 bit application through chroot, but I had
a similar issues with 64 applications as well a few months ago, I told
about it but never got a response. Before trying to move to Arch64 I
tried to play with a couple of 64 bit OSs (Ubuntu, Gentoo) doing video
encoding with XVID. It was 1.5 times slower, than in Arch32!  I believe
that the code wich use a lot of mathematical calculations should be
rewritten as AMD people suggest - using their mathematical libraries.
Just the recompiling the source for 64 bit system doesn't work.


On Mon, 3 Apr 2006 20:26:19 -0400
Strat <pouletfou at gmail.com> wrote:

> Hy all
> I have switched from Arch to Arch64 about a week ago and (almost)
> everything is going fine.
> For openoffice and firefox with flash, I use the chroot trick to load
> the 32 bits version. However and especially for openoffice, the
> startup is significantly slower than on the 32 bit system. So I was
> wondering if some of you had tricks to fasten responsiveness of
> openoffice until they release a working 64 bit port.
> I use the following command :
> [strat at machinastratus]$ chroot /mnt/arch32 su strat -c
> /opt/openoffice/program/soffice.bin
> and, of course, /proc is binded to /mnt/arch32/dev as for dev and
> home.
> Secondly, I wonder if anyone uses the xf86-video-unichrome on a KM800
> board since I can't get a working Xorg with it and I must stick with
> xf86-video-via.
> Anyway, these are not major issues, but I thank all responses in
> advances.
> --
> Strat
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