SYMBOL

 The SYMBOL option is a shortcut for STATE "**:<pattern>".

Define the SYMBOL setting in the configuration file if you want the IntelĀ® Trace Collector to collect data on all Allreduce functions, both from MPI and from user code.

To do this:

  1. Create a new configuration file.

  2. In the configuration file, specify the SYMBOL option:

    SYMBOL *:Allreduce ON

  3. Save the configuration file: my_settings_symbol.conf.

  4. Set the VT_CONFIG environment variable to the directory that contains the configuration file:

    VT_CONFIG=/<configuration file path name>/my_settings_symbol.conf

  5. Run the application.

    Linux* OS:

    $ mpirun -trace -n 4 ./poisson

    Windows* OS:

    > mpiexec -n 4 poisson.exe

Key Terms

Configuration File