same "log_dir".
     * **max_queue** (*int*) -- Size of the queue for pending
       events and summaries before one of the 'add' calls forces a
       flush to disk. Default is ten items.

     * **flush_secs** (*int*) -- How often, in seconds, to flush
       the pending events and summaries to disk. Default is every
       two minutes.

     * **filename_suffix** (*str*) -- Suffix added to all event
       filenames in the log_dir directory. More details on
       filename construction in tensorboard.summary.writer.event_
       file_writer.EventFileWriter.

  Examples:

     from torch.utils.tensorboard import SummaryWriter

     # create a summary writer with automatically generated folder name.
     writer = SummaryWriter()
     # folder location: runs/May04_22-14-54_s-MacBook-Pro.local/

     # create a summary writer using the specified folder name.
     writer = SummaryWriter("my_experiment")
