editing xml using spacemacs response slow and can't smooth scroll

[jaycelq]

The nXml mode is reacts really slow when editing xml file.
Here is my minor mode:

Enabled minor modes: Anzu Auto-Composition Auto-Compression Auto-Encryption
Column-Number Company Electric-Indent Eval-Sexp-Fu-Flash Evil Evil-Escape
Evil-Local Evil-Search-Highlight-Persist Evil-Surround File-Name-Shadow Flx-Ido
Font-Lock Global-Anzu Global-Auto-Revert Global-Company Global-Eldoc
Global-Evil-Search-Highlight-Persist Global-Evil-Surround Global-Font-Lock
Global-Hl-Line Global-Page-Break-Lines Global-Spacemacs-Leader-Override
Global-Undo-Tree Global-Vi-Tilde-Fringe Helm Helm-Descbinds Helm-Flx Hl-Todo
Hybrid Ido-Vertical Info-Breadcrumbs-In-Mode-Line Line-Number Mouse-Wheel
Override-Global Persp Popwin Projectile Projectile-Global Recentf Save-Place
Savehist Shell-Dirtrack Show-Smartparens Show-Smartparens-Global
Smooth-Scrolling Spaceline-Helm Spaceline-Info Spacemacs-Leader-Override
Transient-Mark Undo-Tree Vi-Tilde-Fringe Volatile-Highlights Which-Key
Window-Numbering Winner Xterm-Mouse

I do a profiling it spend much cpu time in next line and previos line

- command-execute                                                 632  92%
 - call-interactively                                             632  92%
  - funcall-interactively                                         606  88%
   + evil-next-line                                               309  45%
   + evil-previous-line                                           265  38%
   + evil-search-next                                              32   4%
  + byte-code                                                      26   3%
+ ...                                                              20   2%
+ timer-event-handler                                              17   2%
+ redisplay_internal (C function)                                   6   0%
+ sp--save-pre-command-state                                        2   0%
+ global-hl-line-highlight                                          1   0%
+ evil-repeat-post-hook                                             1   0%
+ evil-flash-hook                                                   1   0%
+ evil--jump-hook                                                   1   0%

[izahn]

I was struggling with painfully slow scrolling also. I finally tracked it
down to hl-line mode. I now have (global-hl-line-mode -1) in my
dotspacemacs/user-config () and things are much better. Not sure if your
issue is the same, but curious to know if turning off hl-line-mode
improves things for you.

On Jul 26, 2016 11:45 PM, "jaycelq" notifications@github.com wrote:

The nXml mode is reacts really slow when editing xml file.
Here is my minor mode:

Enabled minor modes: Anzu Auto-Composition Auto-Compression Auto-Encryption
Column-Number Company Electric-Indent Eval-Sexp-Fu-Flash Evil Evil-Escape
Evil-Local Evil-Search-Highlight-Persist Evil-Surround File-Name-Shadow Flx-Ido
Font-Lock Global-Anzu Global-Auto-Revert Global-Company Global-Eldoc
Global-Evil-Search-Highlight-Persist Global-Evil-Surround Global-Font-Lock
Global-Hl-Line Global-Page-Break-Lines Global-Spacemacs-Leader-Override
Global-Undo-Tree Global-Vi-Tilde-Fringe Helm Helm-Descbinds Helm-Flx Hl-Todo
Hybrid Ido-Vertical Info-Breadcrumbs-In-Mode-Line Line-Number Mouse-Wheel
Override-Global Persp Popwin Projectile Projectile-Global Recentf Save-Place
Savehist Shell-Dirtrack Show-Smartparens Show-Smartparens-Global
Smooth-Scrolling Spaceline-Helm Spaceline-Info Spacemacs-Leader-Override
Transient-Mark Undo-Tree Vi-Tilde-Fringe Volatile-Highlights Which-Key
Window-Numbering Winner Xterm-Mouse

I do a profiling it spend much cpu time in next line and previos line

• command-execute 632 92%
  • call-interactively 632 92%
  • funcall-interactively 606 88%
  • evil-next-line 309 45%
  • evil-previous-line 265 38%
  • evil-search-next 32 4%
  • byte-code 26 3%
• ... 20 2%
• timer-event-handler 17 2%
• redisplay_internal (C function) 6 0%
• sp--save-pre-command-state 2 0%
• global-hl-line-highlight 1 0%
• evil-repeat-post-hook 1 0%
• evil-flash-hook 1 0%
• evil--jump-hook 1 0%

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[jaycelq]

@izahn
It seemed that my issue is not much related to global-hl-line-mode. It only occurs in my Windows desktop when editing xml file. I use my mac for a test, it behaves much better.

[jaycelq]

I found it's the problem of smooth scroll. When I turn it off, it can scroll more smoothly. Am I using the wrong configuration?

[TheBB]

smooth-scroll does have problems. It's turned off by default in the development branch.

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