IntelĀ® MPI Library Reference Manual for Linux* OS
This document reflects the updates for IntelĀ® MPI Library 5.0 Update 2 release for Linux* OS:
The following latest changes in this document were made:
Add the alltoall value for the option -pmi-connect <mode> in the Global Options topic for Scalable Process Management System (Hydra) Command.
Add the alltoall value for the environment variable I_MPI_HYDRA_PMI_CONNECT in the Environment Variables topic for Scalable Process Management System (Hydra) Command.
Add a environment variable I_MPI_GTOOL in the Environment Variables topic for Scalable Process Management System (Hydra) Command.
Add the following new options to the Global Options topic for Scalable Process Management System (Hydra) Command:
-gtool
-gtoolfile<gtool_config_file>
Update the description of environment variable I_MPI_SHM_LMT in the Share Memory Control topic.
The -mt_mpi compiler command option is deprecated. Update the description of single/multi-threaded libraries. Multi-threaded library is used by default.
Note:
Use mpivars.{sh|csh}[debug|debug_mt] during runtime to load particular libmpi.so configuration.
Add the new algorithm, Knomial algorithm, for environment variables I_MPI_ADJUST_ALLGATHER, I_MPI_ADJUST_BCAST, I_MPI_ADJUST_ALLREDUCE and I_MPI_ADJUST_REDUCE in the I_MPI_ADJUST Family topic.
Add new environment variables I_MPI_ADJUST_ALLGATHER_KN_RADIX and I_MPI_ADJUST_BCAST_KN_RADIX in the I_MPI_ADJUST Family topic.
Add new environment variables I_MPI_ADJUST_REDUCE_KN_RADIX and I_MPI_ADJUST_ALLREDUCE_KN_RADIX in the I_MPI_ADJUST Family topic.
Update the description of environment variable I_MPI_STATS_FILE in the Native Statistics Format topic.
Update the description of environment variable I_MPI_STATS_FILE in the Region Control topic.
Update the syntax and arguments for I_MPI_STATS in the Native Statistics Format topic.
Add a new topic, Native and IPM Statistics, in the Statistics Gathering Mode section.