Re: [Caml-list] OCamlMPI problem

["Jhou ^^" <falajhou@gmail.com>]

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Hi list!!!
After a hard work, I've eventually got testempi compiled. However, I'm
facing a new kind of problem now. When I just try to run testempi with
mpiexec tool, the 'mpd' process manager (that is, the default process
manager provided by MPICH2 implementation of MPI library) can not  work
properly. Instead,  I got an error message that says the 'lamd' daemon isn't
running. So, it asks me for starting 'lamboot'. So, I'm litte confused here:
is lamboot a tool from LAM/MPI Implementation, isn't it? Then, what about
MPICH2? I mean... do I need to use LAM/MPI to execute ocaml MPI application?
How can I get ocaml working good with MPICH2? 'cause I've already installed
and configured MPICH2 in my cluster.
By the way, does anybody know where to find a good tutorial about ocaml
MPI?? You know.. something with examples and so on!
Thanks in advance in sorry for my bad english!!

2007/9/18, Andres Varon <avaron@gmail.com>:
>
> You need to use mpicc as the C compiler and linker. That will take care of
> passing whatever flags are needed for proper compilation and linking. You
> can pass it to ocaml with:
> ocamlc -cc mpicc -o testmpi unix.cma mpi.cma test.ml -ccopt -L.
>
>
>
> Andres
>
>
> On Sep 17, 2007, at 5:08 PM, Rod wrote:
>
> Hi all,
>
>     I'm trying to compile the test file using ocamlmpi, but just what I
> have is this message
>
> -------------------------------------------------------------------------------
> ocamlc -o testmpi unix.cma mpi.cma test.ml -ccopt -L.
> File "test.ml", line 144, characters 6-9:
> Warning Y: unused variable res.
> /usr/bin/ld: cannot find -lmpi
> collect2: ld returned 1 exit status
> Error while building custom runtime system
>
> -----------------------------------------------------------------------------
>
> I'm using mpich2-1.0.5p4.
>
> Thanks in advance for any answer.
>
> Cheer,
> Rodiney
>
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