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Subject: Re: [OMPI users] rankfile issues
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-01-01 11:02:26


This is clearly a problem with the allocator not picking up the rankfile nodes - I'll have to take a look at it

https://svn.open-mpi.org/trac/ompi/ticket/4043

On Jan 1, 2014, at 1:48 AM, Siegmar Gross <Siegmar.Gross_at_[hidden]> wrote:

> Next I tried process binding.
>
> rf_linpc:
> ---------
> rank 0=linpc1 slot=0:0,1;1:0,1
>
>
> rf_linpc_linpc:
> ---------------
>
> rank 0=linpc0 slot=0:0-1;1:0-1
> rank 1=linpc1 slot=0:0-1
> rank 2=linpc1 slot=1:0
> rank 3=linpc1 slot=1:1
>
>
> rf_linpc_linpc_comma:
> ---------------------
>
> rank 0=linpc0 slot=0:0,1;1:0,1
> rank 1=linpc1 slot=0:0,1
> rank 2=linpc1 slot=1:0
> rank 3=linpc1 slot=1:1
>
>
>
> linpc1 openmpi_1.7.x_or_newer 103 mpiexec -report-bindings -np 1 \
> -rf rf_linpc hostname
> [linpc1:08461] MCW rank 0 bound to socket 0[core 0[hwt 0]],
> socket 0[core 1[hwt 0]], socket 1[core 2[hwt 0]],
> socket 1[core 3[hwt 0]]: [B/B][B/B]
> linpc1
> linpc1 openmpi_1.7.x_or_newer 104
>
>
> That's the output which I expected, but I don't get the expected
> output for the following commands.
>
>
> linpc1 openmpi_1.7.x_or_newer 105 mpiexec -report-bindings -np 4 \
> -rf rf_linpc_linpc hostname
> --------------------------------------------------------------------------
> There are not enough slots available in the system to satisfy the 2 slots
> that were requested by the application:
> hostname
>
> Either request fewer slots for your application, or make more slots available
> for use.
> --------------------------------------------------------------------------
> linpc1 openmpi_1.7.x_or_newer 106
>
>
> linpc1 openmpi_1.7.x_or_newer 110 mpiexec -report-bindings -np 4 \
> -rf rf_linpc_linpc_comma hostname
> --------------------------------------------------------------------------
> There are not enough slots available in the system to satisfy the 2 slots
> that were requested by the application:
> hostname
>
> Either request fewer slots for your application, or make more slots available
> for use.
> --------------------------------------------------------------------------
> linpc1 openmpi_1.7.x_or_newer 111
>