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26850 Discussions

[0] DAPL startup(): RLIMIT_MEMLOCK too small

Seven_Patrick
Beginner
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We have 2 nodes, each with 44 cores/ intel cores. If we run a MPI program, in 1 node is ok, only the second node is ok too, “but” between the two it indicates that:

mpirun -n 80 -f machines ./wrf.exe

[0] DAPL startup(): RLIMIT_MEMLOCK too small
[1] DAPL startup(): RLIMIT_MEMLOCK too small
[2] DAPL startup(): RLIMIT_MEMLOCK too small
[3] DAPL startup(): RLIMIT_MEMLOCK too small
[4] DAPL startup(): RLIMIT_MEMLOCK too small
[5] DAPL startup(): RLIMIT_MEMLOCK too small
[6] DAPL startup(): RLIMIT_MEMLOCK too small
DAPL startup(): RLIMIT_MEMLOCK too small




We followed the instructions that come in this topic ->

https://software.intel.com/en-us/blogs/2014/12/16/best-known-methods-for-setting-locked-memory-size

They do not work for us.

Intel compiler fortran is 17.0.4. gcc version 4.8.5. mpich 3.2. Oracle Linux OS 7.3.

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