[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#16594: 24.3.50; very slow redraw when resizing windows horizontally
From: |
martin rudalics |
Subject: |
bug#16594: 24.3.50; very slow redraw when resizing windows horizontally |
Date: |
Thu, 30 Jan 2014 14:47:34 +0100 |
> emacs -q
> (scroll-bar-mode 'nil)
> C-x 3
>
> then try to resize the windows using mouse several times and emacs
> redisplay is so slow that you can notice the fringes besides the drag
> handle is repainted from top to bottom frame by frame.
>
> profiling shows `read-event' takes much of the time, is this the real
> cause?
>
> - command-execute 207 98%
> - call-interactively 207 98%
> - mouse-drag-vertical-line 202 96%
> - mouse-drag-line 202 96%
> - eval 202 96%
> - track-mouse 202 96%
> - funcall 202 96%
> - #<compiled 0x40a712ed> 202 96%
> - read-event 184 87%
> - redisplay_internal (C function) 1 0%
> eval 1 0%
> + profiler-report 5 2%
> - ... 2 0%
> Automatic GC 2 0%
> + redisplay_internal (C function) 1 0%
I checked in a fix such that mouse dragging a line doesn't occur
pixelwise by default. Does this improve the behavior? I have no idea
how to interpret the profiler report - when you drag a line it will
always be the case that most of the cpu is consumed by that.
martin
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Darren Hoo, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally,
martin rudalics <=
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Darren Hoo, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Stefan Monnier, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Eli Zaretskii, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, martin rudalics, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, martin rudalics, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Eli Zaretskii, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, martin rudalics, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Eli Zaretskii, 2014/01/30
- bug#16594: 24.3.50; very slow redraw when resizing windows horizontally, Darren Hoo, 2014/01/30