[env-switcher-devel] Re: Can switcher solve the ordering problem of modules with "prereq"?

[John L. <cf...@cl...>]

=A6b =A4=BB, 2004-04-10 11:01, env...@li...=
ge.net
=BCg=B9D=A1G

> Message: 1
> Date: Fri, 9 Apr 2004 17:27:10 -0400 (EDT)
> From: Jeff Squyres <jsq...@la...>
> To: John Lau <cf...@cl...>
> Cc: env...@li...
> Subject: Re: [env-switcher-devel] Can switcher solve the ordering probl=
em of
>  modules with "prereq"?
>=20
> On Thu, 8 Apr 2004, John Lau wrote:
>=20
> > I would like to ask, can switcher solve the ordering problem of modul=
es
> > with "prereq"?
> >
> > For example, I have 2 mpi implementations so I have 2 modules (lam an=
d
> > mpich). And I have two BLACS librarys that using with 2 different mpi
> > (blacs-lam and blacs-mpich). So in the blacs-lam module, it prereq la=
m
> > module. It works fine for module load.
> >
> > But it is not work in using with switcher because switcher always loa=
d
> > blacs module first. I try to change the listing order in switcher.ini
> > but it still dont work. I guess it is following the alphabetical orde=
r
> > to load the modules.
> >
> > Do anyone have a solution to this problem? And can we change the
> > switcher module loading order?
>=20
> Ah -- this is a good point; I hadn't thought about this case.  :-\
>=20
> IIRC, the switcher code is currently issuing individual "module load"
> commands to load up your default set.  If that's true, I think that
> consolidating them into a single "module load a b c d ..." line might
> allow "module" to do the Right Thing.
>=20
> Can you confirm if this is true?
>=20
> Can you try "module load lam blacs-lam" and "module load blacs-lam lam"
> and see if "module" re-orders them properly?

Oh, the module cannot reorder the load of modules... -_-
"module add blacs/blacs-lam-1.1 mpi/lam-gcc32-7.0.3" cannot work while
"module add mpi/lam-gcc32-7.0.3 blacs/blacs-lam-1.1" is ok!

John Lau