[Nix-dev] i686 Builds?

[Lluís Batlle i Rossell]

My experience is equal with Marco, about memory and my usage of i686. i686
is important for me too.

On Tue, May 12, 2015 at 11:43:47AM +0200, Marco Maggesi wrote:
> I use 32 bit a lot.
> First of all, I use it on some old machines with 32bit hardware.
> But, more importantly, I use it regularly on virtuabox and xen virtual
> machines.
> In my experience, for most of my use cases the 32bit require less memory
> (which is often not abundant on virtual instances) and it is thus generally
> faster for many computing tasks .  I made some tests with HOL Light (the
> theorem prover).  The bare program has memory occupation which almost the
> double in the 64bit version (~1.2Gb) with respect to the 32bit version
> (~0.7Gb).  On a virtual machine with 2Gb of ram, the 32 bit it is often
> 10%-20% faster on typical usage and 50% faster or more when the computation
> requires more memory.
> In my experience, the version 32 bit can be more convenient than the 64bit
> version in a variety of situations.
> So, please, do not give-up with 32 bit support.
> Marco
> 
> 
> 
> 2015-05-12 11:08 GMT+02:00 Luke Clifton <ltclifton at gmail.com>:
> 
> > +1
> >
> > This seems like a good idea.
> >
> > On 12 May 2015 at 06:45, William Kennington <william at wkennington.com>
> > wrote:
> >
> >> Maybe it would make more sense to only build the i686 builds if our
> >> tested set of x86_64 binaries build correctly. We would still release with
> >> both but it would cut down on a lot of redundant failures.
> >>
> >> On Mon, May 11, 2015 at 3:39 PM Ryan Trinkle <ryan.trinkle at gmail.com>
> >> wrote:
> >>
> >>> I encountered an i686 user just the other day!  I don't use it
> >>> personally, but having solid support in Nix was fantastic, especially
> >>> because older, 32-bit machines tend to be slower, which makes Nix's binary
> >>> caching functionality even more important.
> >>>
> >>> On Mon, May 11, 2015 at 6:36 PM, Shea Levy <shea at shealevy.com> wrote:
> >>>
> >>>> Hi all,
> >>>>
> >>>> Do we still have users running 32-bit machines? It would reduce the
> >>>> load on
> >>>> hydra significantly if we could drop support for i686, though of course
> >>>> if
> >>>> people are still relying on it we shouldn't make the change yet.
> >>>>
> >>>> ~Shea
> >>>> _______________________________________________
> >>>> nix-dev mailing list
> >>>> nix-dev at lists.science.uu.nl
> >>>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
> >>>>
> >>>
> >>> _______________________________________________
> >>> nix-dev mailing list
> >>> nix-dev at lists.science.uu.nl
> >>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
> >>>
> >>
> >> _______________________________________________
> >> nix-dev mailing list
> >> nix-dev at lists.science.uu.nl
> >> http://lists.science.uu.nl/mailman/listinfo/nix-dev
> >>
> >>
> >
> > _______________________________________________
> > nix-dev mailing list
> > nix-dev at lists.science.uu.nl
> > http://lists.science.uu.nl/mailman/listinfo/nix-dev
> >
> >

> _______________________________________________
> nix-dev mailing list
> nix-dev at lists.science.uu.nl
> http://lists.science.uu.nl/mailman/listinfo/nix-dev


-- 
(Escriu-me xifrat si saps PGP / Write ciphered if you know PGP)
PGP key D4831A8A - https://emailselfdefense.fsf.org/