Something is not clear for me in this discussion. Sometimes the
subject was the DR PML and sometimes the OB1 PML. In fact I'm
completely in the dark ... Which PML fails the HPCC test on MAC ?
When I look at the command line it look like it should be OB1 not DR ...
On Dec 7, 2006, at 1:59 PM, Brock Palen wrote:
> That is wonderful, that fixes the observed problem for running with
> OB1. Has a bug for this been filed to get RDMA working on macs?
> The only working MPI lib is MPICH-GM as this problem happens with
> LAM-7.1.3 also.
> So on track for one bug.
> Would the person working on the DR PML like me to try anymore tests?
> Brock Palen
> Center for Advanced Computing
> On Dec 7, 2006, at 9:50 AM, Scott Atchley wrote:
>> On Dec 6, 2006, at 3:09 PM, Scott Atchley wrote:
>>> Brock and Galen,
>>> We are willing to assist. Our best guess is that OMPI is using the
>>> code in a way different than MPICH-GM does. One of our other
>>> developers who is more comfortable with the GM API is looking into
>> We tried running with HPCC with:
>> $ mpirun -np 4 -machinefile hosts -mca btl ^tcp -mca
>> btl_gm_min_rdma_size $((10*1024*1024)) ./hpcc.ompi.gm
>> and HPL passes. The problem seems to be in the RDMA fragmenting code
>> on OSX. The boundary values at the edges of the fragments are not
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