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Subject: Re: [OMPI devel] Change in slot_list specification
From: Lenny Verkhovsky (lenny.verkhovsky_at_[hidden])
Date: 2008-07-30 11:55:23


patch to 1.3 attached

On 7/30/08, Lenny Verkhovsky <lenny.verkhovsky_at_[hidden]> wrote:
>
> few more details:
>
> 1. added new mca param rmaps_base_slot_list (r19062)
>
> 2. new -slot-list option to mpirun ( r19062)
>
> 3. old opal_paffinity_base_slot_list will be invisible ( r19096)
>
> 4. few bug fixes ( r19004)
>
> On 7/30/08, Lenny Verkhovsky <lenny.verkhovsky_at_[hidden]> wrote:
>>
>> if there is no objection I want to bring it to 1.3
>>
>> ( r19062)
>>
>> On 7/28/08, Ralph Castain <rhc_at_[hidden]> wrote:
>>>
>>> Just an FYI for those of you working with slot_lists.
>>>
>>> Lenny, Jeff and I have changed the mca param associated with how you
>>> specify the slot list you want the rank_file mapper to use. This was done to
>>> avoid the possibility of ORTE processes such as mpirun and orted
>>> accidentally binding themselves to cores. The prior param was identical to
>>> the one used to tell MPI procs their core bindings - so if someone ever
>>> modified the paffinity system to detect the param and automatically
>>> perform the binding, mpirun and orted could both bind themselves to the
>>> specified cores...which isn't what we would want.
>>>
>>> The new param is "rmaps_base_slot_list". To make life easier, we also
>>> added a new orterun cmd line option --slot-list which acts as a shorthand
>>> for the new mca param.
>>>
>>> Ralph
>>>
>>> _______________________________________________
>>> devel mailing list
>>> devel_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>>
>>
>>
>