[Wien] MPI setup on a multicore maschine
Peter Blaha
pblaha at theochem.tuwien.ac.at
Wed Oct 23 07:51:53 CEST 2013
Wrong syntax. You need a "speed" parameter. But of course, the speed should be
the same for shared memory:
1:localhost:4
1:localhost:4
Am 22.10.2013 18:42, schrieb Oliver Albertini:
> If the jobs are all on the same localhost, then they should all be set up with the same speed:
>
> lapw0:localhost:4
> localhost:4
> localhost:4
> granularity:1
>
>
> On Tue, Oct 22, 2013 at 2:21 AM, <tran at theochem.tuwien.ac.at <mailto:tran at theochem.tuwien.ac.at>> wrote:
>
> Hi,
>
> I don't know what is the problem, but I can just say that
> in .machines there is no line specific for the HF module.
> If lapw1 and lapw2 are run in parallel, then this will be the same for hf.
>
> F. Tran
>
>
> On Tue, 22 Oct 2013, Martin Gmitra wrote:
>
> Dear Wien2k users,
>
> We are running recent version of Wien2k v13.1 in k-point
> parallelization. To perform
> screened HF we believe that MPI parallelization would speed up our calculations.
> The calculations are intended for test reasons to be run on a local
> multicore maschine.
>
> Our .machines file looks like:
> lapw0:localhost:4
> 1:localhost:4
> 2:localhost:4
> hf:localhost:4
> granularity:1
>
> Invoking x lapw0 -p
> starting parallel lapw0 at Tue Oct 22 09:15:48 CEST 2013
> -------- .machine0 : 4 processors
> LAPW0 END
> LAPW0 END
> LAPW0 END
> LAPW0 END
> 58.2u 0.6s 0:16.92 348.4% 0+0k 0+37528io 21pf+0w
>
> run lapw0 in parallel while
> x lapw1 -up -c -p
> starting parallel lapw1 at Tue Oct 22 09:18:30 CEST 2013
> -> starting parallel LAPW1 jobs at Tue Oct 22 09:18:30 CEST 2013
> running LAPW1 in parallel mode (using .machines)
> Granularity set to 1
> Extrafine unset
> @: Expression Syntax.
> 0.0u 0.0s 0:00.10 10.0% 0+0k 0+64io 0pf+0w
> error: command /temp_local/CODES/WIEN2k_v13___mpi/lapw1cpara -up -c
> uplapw1.def failed
>
> The parallel_options file looks like:
> setenv TASKSET "no"
> setenv USE_REMOTE 0
> setenv MPI_REMOTE 0
> setenv WIEN_GRANULARITY 1
>
> Before starting the tests we load all libs from intel compiler sets WIENROOT and
> export TASKSET="no"
> export USE_REMOTE=0
> export MPI_REMOTE=0
> export WIEN_GRANULARITY=1
> export WIEN_MPIRUN="mpirun -np _NP_ -machinefile _HOSTS_ _EXEC_"
>
> Do you have any idea while lapw1 does not start?
> Many thanks in advance,
>
> Martin Gmitra
> Uni Regensburg
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--
-----------------------------------------
Peter Blaha
Inst. Materials Chemistry, TU Vienna
Getreidemarkt 9, A-1060 Vienna, Austria
Tel: +43-1-5880115671
Fax: +43-1-5880115698
email: pblaha at theochem.tuwien.ac.at
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