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bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?
From: |
Dani Moncayo |
Subject: |
bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs? |
Date: |
Sat, 18 Oct 2014 18:25:17 +0200 |
>> I'd like to understand what are the
>> advantages and drawbacks of optimized vs unoptimized builds. Could
>> someone explain that to me, or tell me where could I read that
>> information?
>
> Unoptimized builds make debugging easier, but are about 2 - 2.5 times
> slower than optimized ones. For that reason, the usual practice is to
> produce unoptimized builds for snapshots and pretests, but optimized
> ones for official releases.
>
> Latest GCC versions support a -Og optimization switch that gives you
> the best of both worlds.
>
>> Also, what should I do to produce an optimized build? "nt/INSTALL"
>> shows an example of how to configure an unoptimized build, but there
>> is no example for an optimized one. How about adding that lacking
>> example to the file?
>
> If you drop the "CFLAGS=" part, you get an optimized build by
> default. The example of that is already in nt/INSTALL, even before
> the one that shows how to pass non-default CFLAGS.
Thank you.
--
Dani Moncayo
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Fabrice Niessen, 2014/10/17
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Eli Zaretskii, 2014/10/17
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Fabrice Niessen, 2014/10/17
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Ken Brown, 2014/10/17
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Eli Zaretskii, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Fabrice Niessen, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Eli Zaretskii, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Dani Moncayo, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Eli Zaretskii, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?,
Dani Moncayo <=
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Ken Brown, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Eli Zaretskii, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Stefan Monnier, 2014/10/18
- bug#18752: 24.3.94; Why is Cygwin Emacs 2x quicker than Windows Emacs?, Eli Zaretskii, 2014/10/18