• 2019 Update 7
  • 03/31/2020

Problem: Password Required

Intel® MPI Library Developer Guide for Linux* OS


Password required.


The Intel® MPI Library uses SSH mechanism to access remote nodes. SSH requires password and this may cause the MPI application hang.


  1. Check the SSH settings.
  2. Make sure that the passwordless authorization by public keys is enabled and configured.

Product and Performance Information


Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

Notice revision #20110804