[gentoo-user] 64bit vs 32bit

[gentoo-user] 64bit vs 32bit

[Catalin Trifu]

	Hi,


    I am planning to buy a new machine and lately I was thinking about
a AMD64 X2 4800+ 2GB RAM.
    Is it worth to install 64bit linux or should I go for 32. As I have read
there are issues with video stuff, flash player.
    This machine is for work and entertainment. I don't like the idea of a
32bit chroot if it's too much of a hassle to set it up.


Catalin

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Re: [gentoo-user] 64bit vs 32bit

[Justin R Findlay]

On Fri, Jun 16, 2006 at 10:15:09PM +0300, Catalin Trifu wrote:
>     I am planning to buy a new machine and lately I was thinking about
> a AMD64 X2 4800+ 2GB RAM.
>     Is it worth to install 64bit linux or should I go for 32. As I have read
> there are issues with video stuff, flash player.
>     This machine is for work and entertainment. I don't like the idea of a
> 32bit chroot if it's too much of a hassle to set it up.

The default amd64 profile includes multilib, so there are no worries
about 32 bit compatibility.  I run no multilibs on my machine and the
only difference I've noticed is that those annoying flash ads don't
work. (-:


Justin
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Re: [gentoo-user] 64bit vs 32bit

[Lord Sauron]

On 6/16/06, Catalin Trifu <catalin@isp-software.de> wrote:
>         Hi,
>
>
>     I am planning to buy a new machine and lately I was thinking about
> a AMD64 X2 4800+ 2GB RAM.
>     Is it worth to install 64bit linux or should I go for 32. As I have read
> there are issues with video stuff, flash player.
>     This machine is for work and entertainment. I don't like the idea of a
> 32bit chroot if it's too much of a hassle to set it up.

Just from the technical side of things, AMD64 architecture is fully
compatible with 32-bit applications.  You can install a 32-bit app in
a 64-bit OS (but not the other way around : (

I'd suggest the amd64 OS, though if you can't decide, I'd just throw
in the towel and dual-boot.

Also, using a 64-bit app is only going to get you about a ten percent
performance increase, according to benchmarking studies of people with
more money than I have.  It's ultimately up to you, but if I were you,
I'd take the adventurous route and go 64-bit - just for the heck of
it.  However, I don't know enough about your wants and needs to be
able to reccommend something like that.

Do what you want: that's the entire point.  I can only supply
information, not make the choice for you (unless you'd like me to, but
I can't guarantee that I can help if something goes wrong).

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Re: [gentoo-user] 64bit vs 32bit

[Hemmann, Volker Armin]

On Friday 16 June 2006 21:15, Catalin Trifu wrote:
> 	Hi,
>
>
>     I am planning to buy a new machine and lately I was thinking about
> a AMD64 X2 4800+ 2GB RAM.
>     Is it worth to install 64bit linux or should I go for 32. As I have
> read there are issues with video stuff, flash player.
>     This machine is for work and entertainment. I don't like the idea of a
> 32bit chroot if it's too much of a hassle to set it up.
>

you don't need a chroot.

Just emerge firefox-bin for flash
and
mplayer-bin for wmv files.

Everything else does not make problems. 
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Re: [gentoo-user] 64bit vs 32bit

[Pete Pardoe]

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Depends on what you want it for.  I personally have two AMD 64 systems - one
at work and one at home and have one running 64 bit (work) and one 32 bit
(home).  My experience is that yes you can get most major apps running on a
64 bit system through the use of 32 bit bins but there are still a lot of
the more exotic apps that are not available in the 64 bit world.  For the
hardly noticable increase in speed from the  64 bit apps and the aggravation
in getting things to work - I would go  for 32 bit  - everything is
available and just works.  I found that it was just too much hassle trying
to get everything working  in 64  bits so converted my home system from 64
to 32 and if I had the time would do the same at work.

Pete

On 6/16/06, Hemmann, Volker Armin <volker.armin.hemmann@tu-clausthal.de>
wrote:
>
> On Friday 16 June 2006 21:15, Catalin Trifu wrote:
> >       Hi,
> >
> >
> >     I am planning to buy a new machine and lately I was thinking about
> > a AMD64 X2 4800+ 2GB RAM.
> >     Is it worth to install 64bit linux or should I go for 32. As I have
> > read there are issues with video stuff, flash player.
> >     This machine is for work and entertainment. I don't like the idea of
> a
> > 32bit chroot if it's too much of a hassle to set it up.
> >
>
> you don't need a chroot.
>
> Just emerge firefox-bin for flash
> and
> mplayer-bin for wmv files.
>
> Everything else does not make problems.
> --
> gentoo-user@gentoo.org mailing list
>
>


-- 
Pete Pardoe

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Re: [gentoo-user] 64bit vs 32bit

[Hemmann, Volker Armin]

On Monday 19 June 2006 14:02, Pete Pardoe wrote:

> on a 64 bit system through the use of 32 bit bins but there are still a lot
> of the more exotic apps that are not available in the 64 bit world. 

which one?
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Re: [gentoo-user] 64bit vs 32bit

[Gian Domeni Calgeer]

Am Montag, 19. Juni 2006 14:23 schrieb Hemmann, Volker Armin:
> On Monday 19 June 2006 14:02, Pete Pardoe wrote:
> > on a 64 bit system through the use of 32 bit bins but there are still a
> > lot of the more exotic apps that are not available in the 64 bit world.
>
> which one?

Well... There are still some games, for instance, even open source ones. 
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Re: [gentoo-user] 64bit vs 32bit

[Hemmann, Volker Armin]

On Monday 19 June 2006 14:35, Gian Domeni Calgeer wrote:
> Am Montag, 19. Juni 2006 14:23 schrieb Hemmann, Volker Armin:
> > On Monday 19 June 2006 14:02, Pete Pardoe wrote:
> > > on a 64 bit system through the use of 32 bit bins but there are still a
> > > lot of the more exotic apps that are not available in the 64 bit world.
> >
> > which one?
>
> Well... There are still some games, for instance, even open source ones.

and which ones?

I have ut2004, vegastrike, wesnoth, triplea, byfoot and several others 
installed.
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Re: [gentoo-user] 64bit vs 32bit

[Gian Domeni Calgeer]

Am Montag, 19. Juni 2006 15:54 schrieb Hemmann, Volker Armin:
> On Monday 19 June 2006 14:35, Gian Domeni Calgeer wrote:
> > Am Montag, 19. Juni 2006 14:23 schrieb Hemmann, Volker Armin:
> > > On Monday 19 June 2006 14:02, Pete Pardoe wrote:
> > > > on a 64 bit system through the use of 32 bit bins but there are still
> > > > a lot of the more exotic apps that are not available in the 64 bit
> > > > world.
> > >
> > > which one?
> >
> > Well... There are still some games, for instance, even open source ones.
>
> and which ones?

For instance Abuse_SDL or slune is not available, and there are lots which are 
keyworded on AMD64 but not on x86. 
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Re: [gentoo-user] 64bit vs 32bit

[Neil Bothwick]

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On Mon, 19 Jun 2006 16:24:56 +0200, Gian Domeni Calgeer wrote:

> For instance Abuse_SDL or slune is not available, and there are lots
> which are keyworded on AMD64 but not on x86. 

Neither of these ebuilds have an amd64 keyword. This does not mean they
don't run on amd64, only that they haven't been tested. If the packaged
had been tested on amd64 and failed, it would have a -amd64 keyword.


-- 
Neil Bothwick

Micro-: (prefix) anything both very small and very expensive.

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Re: [gentoo-user] 64bit vs 32bit

[kashani]

Hemmann, Volker Armin wrote:
> 
> you don't need a chroot.
> 
> Just emerge firefox-bin for flash
> and
> mplayer-bin for wmv files.
> 
> Everything else does not make problems. 

Depending on the video files you'd like to decode 32bit can make a 
difference. Many of the stranger codecs are supported through the win32 
codecs which are not 64bit safe or at least that's what I've read. I'd 
assume that qt, mp4, and wmv would generally be okay.

kashani
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Re: [gentoo-user] 64bit vs 32bit

[Hemmann, Volker Armin]

On Monday 19 June 2006 20:26, kashani wrote:
> Hemmann, Volker Armin wrote:
> > you don't need a chroot.
> >
> > Just emerge firefox-bin for flash
> > and
> > mplayer-bin for wmv files.
> >
> > Everything else does not make problems.
>
> Depending on the video files you'd like to decode 32bit can make a
> difference. Many of the stranger codecs are supported through the win32
> codecs which are not 64bit safe or at least that's what I've read. I'd
> assume that qt, mp4, and wmv would generally be okay.

and this 'strange' codecs are covered by mplayer-bin too.
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Re: [gentoo-user] 64bit vs 32bit

[Mike Huber]

My understanding is that the major advantage of the 64-bit processors
is for memory address space (>4Gigs of virtual memory space without
PAE, technically 48 bits of address space, which is something like
128Terrabytes of addressable memory).

There must be some advantage associated with being able to hold two
long ints in one register (or some such relationship there).  Anyone
know detailed explanations for situations where 64-bit is more/less
beneficial and why?

--Mike

On 6/19/06, Hemmann, Volker Armin <volker.armin.hemmann@tu-clausthal.de> wrote:
> On Monday 19 June 2006 20:26, kashani wrote:
> > Hemmann, Volker Armin wrote:
> > > you don't need a chroot.
> > >
> > > Just emerge firefox-bin for flash
> > > and
> > > mplayer-bin for wmv files.
> > >
> > > Everything else does not make problems.
> >
> > Depending on the video files you'd like to decode 32bit can make a
> > difference. Many of the stranger codecs are supported through the win32
> > codecs which are not 64bit safe or at least that's what I've read. I'd
> > assume that qt, mp4, and wmv would generally be okay.
>
> and this 'strange' codecs are covered by mplayer-bin too.
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> gentoo-user@gentoo.org mailing list
>
>
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Re: [gentoo-user] 64bit vs 32bit

[Hemmann, Volker Armin]

On Wednesday 21 June 2006 07:26, Mike Huber wrote:
> My understanding is that the major advantage of the 64-bit processors
> is for memory address space (>4Gigs of virtual memory space without
> PAE, technically 48 bits of address space, which is something like
> 128Terrabytes of addressable memory).
>
> There must be some advantage associated with being able to hold two
> long ints in one register (or some such relationship there).  Anyone
> know detailed explanations for situations where 64-bit is more/less
> beneficial and why?
>

large numbers?

but the 64bit amd extension is really, really helpfull, when you need 
registers. The additional registers are a huge advantage and can give you a 
nice boost. 

Can, not have too - it depends on the task and how the software was compiled.
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