On Thursday 11 June 2009 23:10:52 Luis R. Rodriguez wrote: > On Thu, Jun 11, 2009 at 2:05 PM, Michael Buesch<mb@xxxxxxxxx> wrote: > > On Thursday 11 June 2009 20:48:13 Luis R. Rodriguez wrote: > >> On Thu, Jun 11, 2009 at 2:29 AM, Jan Kiszka<jan.kiszka@xxxxxx> wrote: > >> > Hi, > >> > > >> > while watching compat-wireless-2009-06-11 doing baby-steps building all > >> > its modules, I wonder what slows this down so horribly. No other > >> > external module build package I know is that slow (I would say *at > >> > least* one order of magnitude slower than normal). Is this really required? > >> > > >> > [ Hurray, it's finished! ] > >> > >> I think the many depmod -ae are the culprit. This is in place to > >> account for all the crap of madwifi which may be present or older > >> drivers which have been renamed. > >> > >> This could be improved. Patches are welcomed. > >> > >> Ps. Try building with make -j 2, etc. > > > > -j does not help. It will hardly build in parallel then. > > It works swell for me. The only thing that does not build in parellel > is the autoconf stuff but after its done with that step everything > builds as expected with -j 2. > > > There's something > > that serializes most of it (implicitly). > > You certain its just not the first part? I had written some patches to > make the first autoconf step into another step to then allow make -j > foo to work without a warning but that would involve another step. The > -j option does work for me though. Well, I never measured it, but I don't see any advantage when using -jX. Maybe that is because forever equals forever+1. What I do see, though, is that the per-cpu load is much higher when building the kernel itself with the same -j parameter. -- Greetings, Michael. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html