It's very slow when used in dired mode

[zilongshanren]

it seems the face highlighting consume a lot time and the matching lines will blink.

my emacs is 24.4 and I'm using MacOXS 10.10.

[abo-abo]

I get no issue in a dired buffer with 3500 lines on GNU/Linux.
Try to see if some package is interfering.

[zilongshanren]

how could I detect the conflicts of other packages, thanks

[abo-abo]

Firstly, you need to make sure that it's not a problem with swiper.
You can do that with only 3 lines in your .emacs:

(package-initialize)
(add-to-list 'load-path "~/git/swiper/")
(require 'swiper)

Once you've done that, turn off half of your .emacs by commenting it out.
See if the problem is fixed. If it's not, it means that the cause is in the other half.
Divide again until you find the cause of problem. This algorithm is called bisection.

[abo-abo]

Is there an update on this?

[zilongshanren]

Thanks, @abo-abo

Now this issue was gone. I have no idea what's going on.. I only upgraded a few packages.

Maybe it's related to other packages.

[abo-abo]

Alright, I'll close the issue for now. If it comes up again, feel free to reopen.

[zilongshanren]

@abo-abo Thanks very much.