Creates a summary file writer for the given log directory.
tf.summary.create_file_writer( logdir, max_queue=None, flush_millis=None, filename_suffix=None, name=None )
logdir: a string specifying the directory in which to write an event file.
max_queue: the largest number of summaries to keep in a queue; will flush once the queue gets bigger than this. Defaults to 10.
flush_millis: the largest interval between flushes. Defaults to 120,000.
filename_suffix: optional suffix for the event file name. Defaults to
name: a name for the op that creates the writer.
A SummaryWriter object.