• The Intel® MPI Library pins processes automatically. Use the I_MPI_PIN and related environment variables to control process pinning. See the "Intel® MPI Library for Windows Reference Manual" for details.


• The Intel® MPI Library enhances message-passing performance on DAPL*-based interconnects by maintaining a cache of virtual-to-physical address translations in the MPI DAPL* data transfer path. To disable the translation cache completely, set the environment variable I_MPI_RDMA_TRANSLATION_CACHE to "disable".


• The following MPI-2 features are not supported by the Intel MPI Library for Windows:
  • Process spawning and attachment
  • Passive target one-sided communication when the target process does not call any MPI functions
  • User-defined data representations


• The nmake utility does not work correctly if path to the Intel® MPI Library compiler drivers contain spaces. For instance, C:\Program Files(x86)\Intel\MPI\3.2

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