Lassen: Work-Around MPI Allgatherv #2874
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The implementation of AllGatherv in IBM's MPI optimization library "libcollectives" is broken and leads to HDF5 crashes for multi-node runs. IBM Spectrum MPI, Version 10 Release 1, User's Guide: https://www.ibm.com/docs/en/SSZTET_EOS/eos/guide_101.pdf
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ax3l
commented
Feb 18, 2022
RemiLehe
approved these changes
Feb 24, 2022
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The implementation of AllGatherv in IBM's MPI optimization library "libcollectives" is broken and leads to HDF5 crashes for multi-node runs.
IBM Spectrum MPI, Version 10 Release 1, User's Guide:
https://www.ibm.com/docs/en/SSZTET_EOS/eos/guide_101.pdf
See:
#2863 (comment)