[Beowulf] mpich buffering problem?
knomura123 at hotmail.com
Sun Apr 10 00:02:24 PDT 2005
I have a cluster running with Fedra Core2 + Opteron, and I recently
installed MPICH-1.2.6 + PathScale2.0.
I'm having a problem of output from MPI job. If I redirect standard output
into a file like
mpirun -np 8 a.out > log
I won't be able to see the output data until the amount of output data
reaches 4096 bytes.
I want to check my result in real time, but I have to wait due to the
The same problem happens when I save the output into files.
I ran my code only using fileserver remove NFS effect, but it still
Does anyone have any idea?
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