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Subject: Re: [OMPI users] FCA collectives disabled by default
From: Brock Palen (brockp_at_[hidden])
Date: 2013-04-03 13:10:36


That would do it.

Thanks!

Now to make even the normal ones work....

Brock Palen
www.umich.edu/~brockp
CAEN Advanced Computing
brockp_at_[hidden]
(734)936-1985

On Apr 3, 2013, at 10:31 AM, Ralph Castain <rhc_at_[hidden]> wrote:

> Looking at the source code, it is because those other collectives aren't implemented yet :-)
>
>
> On Apr 2, 2013, at 12:07 PM, Brock Palen <brockp_at_[hidden]> wrote:
>
>> We are starting to play with FCA on our Mellonox based IB fabric.
>>
>> I noticed from ompi_info that FCA support for a lot of collectives are disabled by default:
>>
>> Any idea why only barrier/bcast/reduce are on by default and all the more complex values are disabled?
>>
>> MCA coll: parameter "coll_fca_enable_barrier" (current value: <1>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_bcast" (current value: <1>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_reduce" (current value: <1>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_reduce_scatter" (current value: <0>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_allreduce" (current value: <1>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_allgather" (current value: <1>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_allgatherv" (current value: <1>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_gather" (current value: <0>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_gatherv" (current value: <0>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_alltoall" (current value: <0>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_alltoallv" (current value: <0>, data source: default value)
>> MCA coll: parameter "coll_fca_enable_alltoallw" (current value: <0>, data source: default value)
>>
>> Brock Palen
>> www.umich.edu/~brockp
>> CAEN Advanced Computing
>> brockp_at_[hidden]
>> (734)936-1985
>>
>>
>>
>>
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>> http://www.open-mpi.org/mailman/listinfo.cgi/users
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