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Re: [Emacs-diffs] comment-cache 223d16f 2/3: Apply `comment-depth' text

From: Alan Mackenzie
Subject: Re: [Emacs-diffs] comment-cache 223d16f 2/3: Apply `comment-depth' text properties when calling `back_comment'.
Date: Mon, 14 Mar 2016 11:22:41 +0000
User-agent: Mutt/1.5.24 (2015-08-30)

Hello, Martin.

On Mon, Mar 14, 2016 at 08:42:46AM +0100, martin rudalics wrote:
>  > 24.2 is 8% faster with -O2, 25% faster with -Og, and 3x faster with -O0.
> ...
>  > I suppose we could spend some time trying to make these go
>  > faster when compiling with -O0, but I think our time is better spent
>  > asking developers to use -Og, or to use -O0 more selectively.

> I'd really appreciate some guidelines on this.  My restrictions are two:

> (1) Rebuilding Emacs for the sake of debugging a particular problem is
> in general _not_ an option because it takes almost 1/2 an hour here (and
> another 1/2 hour to go back to the previous version).

Ouch!  It takes me around 3 - 4 minutes, including running ./configure.
I run "make clean" only in the src directory, not over the whole of
Emacs.  What are you doing that takes half an hour?

[ .... ]

> martin

Alan Mackenzie (Nuremberg, Germany).

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