Following the discussion in
https://github.com/PetaVision/OpenPV/issues/242, commands to flush
the output stream have been added in the following cases:
on return from HyPerCol::allocateColumn()
when the 'time===' progress message is printed
on writing a SIGUSR1-generated checkpoint.
Following the discussion in https://github.com/PetaVision/OpenPV/issues/242, commands to flush the output stream have been added in the following cases: on return from HyPerCol::allocateColumn() when the 'time===' progress message is printed on writing a SIGUSR1-generated checkpoint.