Re: [Orgmode] Re: Having (too) many files in org-agenda-files

[Carsten Dominik]

On Sep 30, 2010, at 7:08 PM, Sébastien Vauban wrote:

> Hi Nick,
>
> Nick Dokos wrote:
> > Sébastien Vauban <address@hidden> wrote:
> > > > > > Also, you might consider to remove (org-agenda-list)  
> > > > > > from .emacs. I
> > > > > > think it is pretty much always a bad idea to put a command like  
> > > > > > this
> > > > > > into your startup. Just make it a habit to call it early after  
> > > > > > starting
> > > > > > Emacs.
> > > > >
> > > > > Honestly, that would not change that much. Having to wait 92  
> > > > > seconds at
> > > > > startup, or a long time just a few minutes later has the same  
> > > > > impact for
> > > > > me.
> >
> > Maybe you should try adding  a call to the profiler to your .emacs
> > and try to measure e.g. how much the font locking costs. Off the  
> > top of
> > my head and entirely untested, adding
> >
> > ,----
> > | (require 'elp)
> > | (elp-instrument-package "font-lock")
> > |
> > | ;; rest of your .emacs
> > |
> > | (elp-results)
> > `----
> >
> > might be enough.
>
> Here are the results.
>
> --8<---------------cut here---------------start------------->8---
> font-lock-fontify-buffer                                    
> 96          15.383627999  0.1602461249

Well, the point I am trying to make already for a number of messages  
is this:
font-lock-fontify-buffer should not be called at all - it is not called
in my setup.

But, apparently, fontlock is bad, but not the worst issue you are  
encountering.

> font-lock-default-fontify-buffer                            
> 96          15.378296000  0.1601905833
> font-lock-fontify-region                                    
> 96          15.284044000  0.1592087916
> font-lock-default-fontify-region                            
> 96          15.282674000  0.1591945208
> font-lock-fontify-keywords-region                           
> 96          15.184516     0.1581720416
> font-lock-prepend-text-property                             
> 8608        0.2712220000  3.150...e-05
> font-lock-unfontify-region                                  
> 96          0.0859729999  0.0008955520
> font-lock-add-keywords                                      
> 166         0.0800819999  0.0004824216
> font-lock-compile-keywords                                  
> 138         0.0671930000  0.0004869057
> font-lock-default-unfontify-region                          
> 96          0.0378660000  0.0003944375
> font-lock-mode                                              
> 142         0.0344680000  0.0002427323
> font-lock-default-function                                  
> 142         0.028445      0.0002003169
> font-lock-mode-internal                                     
> 73          0.0272529999  0.0003733287
> font-lock-turn-on-thing-lock                                
> 73          0.0238939999  0.0003273150
> font-lock-compile-keyword                                   
> 5505        0.0225559999  4.097...e-06
> font-lock-set-defaults                                      
> 525         0.0174539999  3.324...e-05
> font-lock-remove-keywords                                   
> 130         0.0018569999  1.428...e-05
> font-lock-change-mode                                       
> 33          0.0016060000  4.866...e-05
> font-lock-eval-keywords                                     
> 81          0.0012500000  1.543...e-05
> font-lock-value-in-major-mode                               
> 187         0.0003879999  2.074...e-06
> font-lock-extend-region-wholelines                          
> 96          0.000309      3.21875e-06
> font-lock-extend-region-multiline                           
> 96          0.0002549999  2.656...e-06
> font-lock-extend-jit-lock-region-after-change               
> 28          0.0002529999  9.035...e-06
> font-lock-after-fontify-buffer                              
> 96          0.0002499999  2.604...e-06
> font-lock-choose-keywords                                   
> 41          8.899...e-05  2.170...e-06
> font-lock-update-removed-keyword-alist                      
> 36          6.8e-05       1.888...e-06
> --8<---------------cut here---------------end--------------->8---
>
> with 94 files in my =org-agenda-files=. Yes, 94, not 96?
>
> You can effectively see that =font-lock-*= is taking me 15s during  
> my Emacs
> startup.
>
> Though, I don't know what's the next action to be taken from this  
> observation.
> Can you guide me?

You should instrument other packages like org and outline to see where  
the rest of the time is eaten.

- Carsten