Open MPI timing tools
mpisync [options]
mpirun_prof [options]
ompi_timing_post [<timing-file>] [<processed-file>]
mpisync: determines clock offsets relative to Head Node Process
(HNP). It accepts the following options:
-o,--output: The name of output file where offsets related to HNP will be written-h,--help: Print help information
ompi_timing_post takes the timing output file as input parameter.
The events are sorted by the timestamps. Next, the timestamps are
replaced with time offsets relative to the first : previous
event.
mpirun_prof is a wrapper around :ref:`mpirun <man1-mpirun>` that
performs clock synchronisation and post-processing of the timing
output file.
The mpisync code was derived from MPIPerf project: http://mpiperf.cpct.sibsutis.ru/index.php/Main/Documentation
The output file has following format:
<hostname> <round-trip-time> <offset-from-hnp>