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bug#18522: 24.4.50; mapcar is very slow
From: |
Peter Münster |
Subject: |
bug#18522: 24.4.50; mapcar is very slow |
Date: |
Tue, 23 Feb 2016 12:19:30 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
On Mon, Feb 22 2016, Eli Zaretskii wrote:
> So now the question becomes: which part of Fset_default? I thought it
> was the loop over all the buffers, but your session seems to say it
> couldn't be.
Why?
This is what I read in buffer.h:
--8<---------------cut here---------------start------------->8---
/* Chain of all buffers, including killed ones. */
extern struct buffer *all_buffers;
/* Used to iterate over the chain above. */
#define FOR_EACH_BUFFER(b) \
for ((b) = all_buffers; (b); (b) = (b)->next)
--8<---------------cut here---------------end--------------->8---
"including killed ones" !
That means, the chain gets bigger and bigger, whenever I read an article
or I reply or I send a new message or whatever.
I've added a small patch to Fset_default:
--8<---------------cut here---------------start------------->8---
struct buffer *b;
int i = 0;
FOR_EACH_BUFFER (b) {
i++;
if (!PER_BUFFER_VALUE_P (b, idx))
set_per_buffer_value (b, offset, value);
}
fprintf(stderr, "length of all_buffers: %d\n", i);
--8<---------------cut here---------------end--------------->8---
Let's see, how the chain grows... (or not)
--
Peter
- bug#18522: 24.4.50; mapcar is very slow, (continued)
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/21
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/22
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/22
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/22
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/22
- bug#18522: 24.4.50; mapcar is very slow,
Peter Münster <=
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/23
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/23
- bug#18522: 24.4.50; mapcar is very slow, Andreas Schwab, 2016/02/23
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/24
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/23
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/24
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/24
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/24
- bug#18522: 24.4.50; mapcar is very slow, Eli Zaretskii, 2016/02/24
- bug#18522: 24.4.50; mapcar is very slow, Peter Münster, 2016/02/24