This commit implements a better way (less I/O operations) restoring of
the parameters during the job restart. Some parameters, such as the size
of the block, or the equation system, cannot be changed during the
restart. Such parameters need to be restored from the restart snapshots.
The new way restores these parameters on the MPI master process only,
updates their values if they were changed, and distributes them to other
MPI processes. This way the number of I/O operations is kept to the
minimum (only one process access one file).
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
This commit restores the previous way of processing the parameter file.
It is read and processed on the MPI master process, and then the list
of parameters is distributed to other MPI processes. This way only one
process accesses the parameter file, reducing the number of I/O
operations, which can be significant in the case of multiprocess MPI
jobs.
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
Fortran 2003 introduces procedures to get the number of command line
arguments and the specific argument. Use them instead of iargc() and
getarg() from GNU extension.
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
