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Subject: Re: [OMPI users] OpenIB problems
From: Brock Palen (brockp_at_[hidden])
Date: 2007-11-27 16:08:17


>>
>> What would be a place to look? Should this just be default then for
>> OMPI? ompi_info shows the default as 10 seconds? Is that right
>> 'seconds' ?
>
> The other IB guys can probably answer better than I can -- I'm not an
> expert in this part of IB (or really any part I guess :). Not sure
> why
> a larger value isn't the default. No, its not seconds -- check the
> description of the MCA parameter:
>
> 4.096 microseconds * (2^btl_openib_ib_timeout)

You sure?
ompi_info --param btl openib

MCA btl: parameter "btl_openib_ib_timeout" (current value: "10")
                           InfiniBand transmit timeout, in seconds
(must be >= 1)

>
> Andrew
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