[mvapich-discuss] OpenFabrics
Kevin Ball
kball at pathscale.com
Wed Aug 30 15:01:06 EDT 2006
Hi Sayantan,
Thank you for your prompt response. Some initial results below:
> >
> Yes, we did find some fixes for this issue:
>
> 1. In your compilation script the flag "-fno-strict-aliasing" is required.
>
> 2. You need to apply this patch for getting rid of the "unaligned
> access" warnings.
>
> Could you please let us know the outcome of your testing? We will then
> check in these things into our trunk.
These fixes did allow me to get osu_latency running. Thank you!
However, when I try to run osu_bw I run into the following problem:
[root at hwlab-dhcp-234 OSU]# mpirun_rsh -ssh -np 2 hwlab-dhcp-234
hwlab-dhcp-228 ./osu_bw
# OSU MPI Bandwidth Test (Version 2.0)
# Size Bandwidth (MByte/s)
1 0.490421
2 1.005578
4 1.997191
8 4.023892
16 8.015656
32 15.877200
64 30.866616
128 58.939492
256 117.557581
512 218.803419
1024 352.060167
2048 530.935310
4096 743.670922
8192 708.698414
16384 820.738885
32768 891.343081
65536 927.707331
131072 947.961714
262144 957.636449
524288 962.952933
1048576 965.444445
2097152 966.749701
0 - MPI_ISEND : Cannot free permanent data type
[0] [] Aborting Program!
mpirun_rsh: Abort signaled from [0]
1 - MPI_IRECV : Cannot free permanent data type
[1] [] Aborting Program!
done.
Any ideas? Thanks!
-Kevin
>
> Thanks,
> Sayantan.
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