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Subject: Re: [OMPI devel] trac 1857: SM btl hangs when msg >=4k
From: Lenny Verkhovsky (lenny.verkhovsky_at_[hidden])
Date: 2009-04-12 06:27:35


r20980 It still get stacked

LD_LIBRARY_PATH=~/work/svn/hpc/dev/ompi_1_3_trunk/build_x86-64/install/lib/
~/work/svn/hpc/dev/ompi_1_3_trunk/build_x86-64/install/bin/mpirun -np 2 -mca
btl self,sm ./osu_bw

# OSU MPI Bandwidth Test v3.1.1
# Size Bandwidth (MB/s)
1 1.46
2 3.66
4 7.29
8 14.64
16 29.44
32 56.94
64 112.25
128 189.02
256 278.26
512 448.58
1024 686.25
2048 865.27

On 4/8/09, Jeff Squyres <jsquyres_at_[hidden]> wrote:
>
> Ditto -- works for me too. Huzzah!
>
>
> On Apr 7, 2009, at 8:39 PM, Eugene Loh wrote:
>
> George Bosilca wrote:
>>
>> > This is interesting. I cannot trigger this deadlock on my AMD cluster
>> > even when I set the sm_min_size to zero. However, on a Intel cluster
>> > this can be triggered pretty easily.
>> >
>> > Anyway, I think I finally understood where the problem is coming
>> > from. r20952 and r20953 are commits that, in addition to the ones
>> > from yesterday, fix the problem. Please read the log on r20953 to see
>> > how this happens.
>> >
>> > Of course, please stress it before we move it to the 1.3 branch.
>>
>> Okay, this fix works for me.
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>
>
> --
> Jeff Squyres
> Cisco Systems
>
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