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abaqus_subroutine_FAQ.md

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FAQ for Abaqus subroutine

Problem shooting

Symbol lookup error during runtime

When Abaqus tries to load a subroutine from the shared library file compiled by intel compiler, it throw the following message:

symbol lookup error: /xxx/libstandardU.so: undefined symbol: _intel_fast_memmove

Cause

The version of Intel compiler is higher than the version of the Intel runtime included in Abaqus (ABQ_ROOT/code/bin/). The symbol _intel_fast_memmove is defined in libirc.so with version >= 14.0 (Ref.).

Solution

  1. Upgrade Abaqus or use older version of Intel compiler.
  2. Link the subroutine to libirc statically.

MPI_init error with cpus > 1

Command line option cpus=X where X>1 causes MPI_init errors in abaqus/2017 on ITC cluster.

Cause

The default parallelization mode of abaqus 2017 on ITC is MPI.

Solution

Set the option mp_mode=THREADS according to the manuel