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 <[email protected]>: > > > +1 > > > > This seems like a good idea. > > > > On 12 May 2015 at 06:45, William Kennington <[email protected]> > > 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 <[email protected]> > >> 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 <[email protected]> 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 > >>>> [email protected] > >>>> http://lists.science.uu.nl/mailman/listinfo/nix-dev > >>>> > >>> > >>> _______________________________________________ > >>> nix-dev mailing list > >>> [email protected] > >>> http://lists.science.uu.nl/mailman/listinfo/nix-dev > >>> > >> > >> _______________________________________________ > >> nix-dev mailing list > >> [email protected] > >> http://lists.science.uu.nl/mailman/listinfo/nix-dev > >> > >> > > > > _______________________________________________ > > nix-dev mailing list > > [email protected] > > http://lists.science.uu.nl/mailman/listinfo/nix-dev > > > > > _______________________________________________ > nix-dev mailing list > [email protected] > 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/ _______________________________________________ nix-dev mailing list [email protected] http://lists.science.uu.nl/mailman/listinfo/nix-dev
