Subject: bug#18626: 24.3.94; communication with subprocess is slow

From: Eli Zaretskii <[email-masked]>
Date: Sun, 05 Oct 2014 22:04:07 +0300

> From: Stephen Leake <[email-masked]>
> Cc: [email-masked]
> Date: Sun, 05 Oct 2014 13:25:53 -0500
> 
> > in any case, reading from subprocesses was not changed in any way,
> > only writing to subprocesses was.
> 
> Yes. It is still a problem on Windows; 12 seconds to read a megabyte is
> unacceptably slow for my real application.

I can help you time the various parts of the machinery involved in
reading from the subprocesses on Windows, if you'd like to pursue this
further.

What about writing to subprocesses -- is that sufficiently fast if the
delay in send_process is decreased to 10 ms?