From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: stephen_leake@stephe-leake.org, 18626@debbugs.gnu.org
Subject: bug#18626: 24.3.94; communication with subprocess is slow
Date: Sun, 05 Oct 2014 05:46:12 +0300 [thread overview]
Message-ID: <837g0fnsi3.fsf@gnu.org> (raw)
In-Reply-To: <jwvppe7wjt3.fsf-monnier+emacsbugs@gnu.org>
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Stephen Leake <stephen_leake@stephe-leake.org>, 18626@debbugs.gnu.org
> Date: Sat, 04 Oct 2014 18:29:42 -0400
>
> > Anyway, for 24.4 all I can suggest is a variable to replace the fixed
> > 20 msec value.
>
> But why is this needed in 24.4? What has changed w.r.t 24.3?
Unlike in 24.3, we now set the write end of the pipe to be in no-wait
mode, and use the EWOULDBLOCK machinery in send_process to send large
amounts of material down the pipe. This evidently makes the writing
slower.
next prev parent reply other threads:[~2014-10-05 2:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-04 6:47 bug#18626: 24.3.94; communication with subprocess is slow stephen_leake
2014-10-04 8:07 ` Eli Zaretskii
2014-10-05 13:20 ` Stephen Leake
2014-10-05 13:41 ` Stephen Leake
2014-10-05 14:43 ` Eli Zaretskii
2014-10-05 18:19 ` Stephen Leake
2014-10-04 8:11 ` Stephen Leake
2014-10-04 8:32 ` Eli Zaretskii
2014-10-04 22:29 ` Stefan Monnier
2014-10-05 2:46 ` Eli Zaretskii [this message]
2014-10-05 13:34 ` Stephen Leake
2014-10-05 14:40 ` Eli Zaretskii
2014-10-05 18:25 ` Stephen Leake
2014-10-05 19:04 ` Eli Zaretskii
2014-10-08 13:29 ` Stephen Leake
2014-10-08 13:53 ` Eli Zaretskii
2014-10-10 8:07 ` Stephen Leake
2014-10-10 9:13 ` Eli Zaretskii
2014-10-10 8:47 ` Stephen Leake
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