call Pipeline_localFlush (logical, intent (in) :: fullestChannelOnly)
Flushes the local pipeline processor. When calling this routine, either only the fullest channel will be sent (fullestChannelOnly = .true.) or all channels with non-empty sending buffers are forced to send.
fullestChannelOnly : if true, only the fullest channel will send
All processors need to call this routine in order to move items through the pipeline, especially near the end of the application.