From: Lars Hamren <hamren@sdu.se>
To: 7069@debbugs.gnu.org
Subject: bug#7069: Clarification
Date: Sun, 19 Sep 2010 20:32:02 +0200 [thread overview]
Message-ID: <4C965722.2010909@sdu.se> (raw)
In-Reply-To: <4C955B68.6000701@sdu.se>
The problem, as far as I can determine, is not that the compilation
process takes longer, but that buffer/window update is slow.
For long compilations, with output more than a few kB, output is
"chunky". Updates seem to be in multiples of 4 kB, with delays
between them. Running strace supports this assumption.
I tried this as a "compilation":
time find /path/to/somewhere -ls
With "compile" (slow, chunky buffer update)
real 0m30.488s
user 0m0.032s
sys 0m0.036s
With "shell-command" (immediate buffer update)
real 0m0.027s
user 0m0.020s
sys 0m0.008s
From Bash, not within emacs
real 0m0.028s
user 0m0.016s
sys 0m0.012s
User and system times are effectively the same, but real
time differs by a factor of 1000.
/Lars Hamrén
next prev parent reply other threads:[~2010-09-19 18:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-19 0:38 bug#7069: Compilation from within emacs becomes slower and slower until Emacs is restarted Lars Hamren
2010-09-19 18:14 ` bug#7069: Problem only with "compile", not with "shell-command" Lars Hamren
2010-09-19 18:32 ` Lars Hamren [this message]
2010-09-22 6:43 ` bug#7069: Compilation from within emacs becomes slower and slower until Emacs is restarted Jan Djärv
2010-10-28 2:42 ` Stefan Monnier
2011-04-20 10:04 ` Lars Hamren
2011-04-20 13:10 ` Stefan Monnier
2011-04-25 1:16 ` Daniel Colascione
2011-04-25 12:28 ` Stefan Monnier
2011-04-25 13:05 ` Lars Hamren
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