Re: Emacs 23.0 is much slower starting than Emacs 22.3

[Alan Mackenzie]

Hi, Miles,

On Thu, Oct 23, 2008 at 10:29:45AM +0900, Miles Bader wrote:
> David De La Harpe Golden <address@hidden> writes:
> > FWIW, I'd find your emacs22 time pretty unacceptable, never mind the
> > emacs23 one, even on a 1.2GHz-class machine. Are a lot of people
> ...
> > On my admittedly higher-end newish multicore (but each core is only ~
> > 2GHz and emacs isn't parallelized...) gnu+linux system, emacs23 takes 1
> > to 2 seconds to start

> Note that he was including the time to load his "well-padded desktop",
> and in my experience this greatly increases startup time.

> Obviously it would be nice to see a more precise definition of what
> exactly is being measured...

Fair enough.  Here's a copy of my C-x C-b immediately after starting
Emacs:

.   debian.README       162755  Text              ~/debian.README
 %  *info*<2>           299364  Info              (elisp)Version Info
    desktop.el           49601  Emacs-Lisp        ~/emacs/emacs/lisp/desktop.el
    .emacs               40647  Emacs-Lisp        ~/.emacs
    emacs.README        180026  Text              ~/emacs.README
    regression_in_emacs.: 7280  Text              ~/regression_in_emacs.txt
    silly.txt               13  Text              ~/silly.txt
    simple.el           250115  Emacs-Lisp        ~/emacs/emacs/lisp/simple.el
    ChangeLog<2>        546098  Change Log        ~/emacs/emacs/lisp/ChangeLog
 %  ielm.el.gz           22075  Emacs-Lisp        
/usr/local/share/emacs/22.3/lisp/ielm.el.gz
 %  simple.el~          249554  Emacs-Lisp        ~/emacs/emacs/lisp/simple.el~
 %  simple.el.gz        222164  Emacs-Lisp        
/usr/local/share/emacs/22.3/lisp/simple.el.gz
    cc-mode.acm        1038609  Text              ~/cc-mode-5.31/cc-mode.acm
    undo.c               22165  C/l               ~/emacs/emacs/src/undo.c
    icicles.el           41928  Emacs-Lisp        ~/icicles/icicles.el
    ChangeLog           568800  Change Log        ~/emacs/emacs/src/ChangeLog
    cc-mode.el           62702  Emacs-Lisp        ~/cc-mode-5.31.n/cc-mode.el
    king-bishop.el        3684  Emacs-Lisp        ~/king-bishop.el
    site-start.el        13092  Emacs-Lisp        
/usr/local/share/emacs/site-lisp/site-start.el
    colascione.c             5  C/l               ~/colascione.c
    insdel.c             68847  C/l               
/usr/src/emacs-22.3/src/insdel.c
    test.c                7426  C/l               ~/mkcfg/test.c
    cc-cmds.201008.el.: 323961  Fundamental       
~/cc-mode-5.31.n/cc-cmds.201008.el.annotate
    cc-cmds.el          160568  Emacs-Lisp        ~/cc-mode-5.31.n/cc-cmds.el
 %  *info*<4>           299949  Info              (cvs)annotate options
    editfns.c           141738  C/l               
/usr/src/emacs-22.3/src/editfns.c
    asdf.txt              3814  Text              ~/asdf.txt
    cc-styles.el         23875  Emacs-Lisp        ~/cc-mode-5.31.n/cc-styles.el
    asdf                    62  Fundamental       ~/asdf
    cc-engine.el        353245  Emacs-Lisp        ~/cc-mode-5.31.n/cc-engine.el
    000tests.el          41417  Emacs-Lisp        
~/cc-mode-5.31.n/tests/000tests.el
    rauhamaa.java        11303  Java/l            ~/rauhamaa.java
    cc-langs.el         123362  Emacs-Lisp        ~/cc-mode-5.31.n/cc-langs.el
 %  cc-langs.191008.el.di: 941  Diff              
~/cc-mode-5.31.n/cc-langs.191008.el.diff
 %  *info*<3>           271710  Info              (emacs)Key Index
 %  manual.txt.gz       294781  Text              
/usr/share/doc/mutt/manual.txt.gz
    szmek.java            5309  Java/l            ~/szmek.java
    bugtracker            6381  Outline           
~/emacs/emacs/admin/notes/bugtracker
    typein.c               539  C/l               ~/typein.c
    spaknik.c             4992  C/l               ~/spaknik.c
    demolition-of-shell.: 3094  Text              ~/demolition-of-shell.txt
 %  nicolaescu.c          1157  Diff              ~/nicolaescu.c
    ciolfi.c              1555  C/l               ~/ciolfi.c
    cc-defs.el           78928  Emacs-Lisp        ~/cc-mode-5.31.n/cc-defs.el
    cc-vars.el           70779  Emacs-Lisp        ~/cc-mode-5.31.n/cc-vars.el
    test-comment-in-macro: 286  C/l               ~/test-comment-in-macro.c
 %  *info*<5>          1114311  Info              (gcc-3.3)Option Summary
    hausordnung.txt       6976  Text              ~/hausordnung.txt
    marshall7.cpp         1537  C++/l             ~/marshall7.cpp
    marshalla.cpp         1861  C++/l             ~/marshalla.cpp
    marshall9.cpp         2311  C++/l             ~/marshall9.cpp
    cc-fonts.el          87831  Emacs-Lisp        ~/cc-mode-5.31.n/cc-fonts.el
    templates-6.cc         544  C++/l             
~/cc-mode-5.31.n/tests/templates-6.cc
    yu.cc                  162  C++/l             ~/yu.cc
    forehand.cc           1243  C++/l             ~/forehand.cc
    pp-regexp.el          2494  Emacs-Lisp        ~/pp-regexp.el
    cc-bytecomp.el       16241  Emacs-Lisp        
~/cc-mode-5.31.n/cc-bytecomp.el
    README                4657  Fundamental       ~/cc-mode-5.31.n/README
    nontemplate-exprs-1.f:  66  Fundamental       
~/cc-mode-5.31.n/tests/nontemplate-exprs-1.face
    test.c++              5951  C++/l             ~/mkcfg/test.c++
    cc-mode.texi        260035  Texinfo           ~/cc-mode-5.31.n/cc-mode.texi
    cc-align.el          46324  Emacs-Lisp        ~/cc-mode-5.31.n/cc-align.el
    cc-awk.el            51144  Emacs-Lisp        ~/cc-mode-5.31.n/cc-awk.el
    .bashrc               4577  Shell-script[bas  ~/.bashrc
    canonic-key-sequence: 4168  Emacs-Lisp        ~/canonic-key-sequence.el
    ghc-6.8.3              208  Shell-script[sh]  ~/ghc-6.8.3
    sullivan.c             199  C/l               ~/sullivan.c
    update_trunk.sh       6255  Shell-script[bas  
~/cc-mode-5.31.n/update_trunk.sh
    c-syntax-ppss.el      1411  Emacs-Lisp        ~/c-syntax-ppss.el
 %  objc-enhance_v6a.pat: 5458  Diff              
~/cc-mode-5.31.n/cc-mode-5.31.n.robert6/objc-enhance_v6a.patch
    uniquify_log.awk      4947  AWK/l             ~/uniquify_log.awk
    todo.txt             44492  Text              ~/todo.txt
    FGM_Lebenslauf_2007-: 8431  Text              
~/FGM_Lebenslauf_2007-12-16.txt
    Adrian-Roberts.25050: 6440  Text              ~/Adrian-Roberts.250508.txt
    jobs.acm              8406  Text              ~/jobs.acm
    testObjCmethodCallAli: 413  ObjC/l            
~/cc-mode-5.31.n/cc-mode-5.31.n.robert/testObjCmethodCallAlign.m
    TODO.txt              1628  Text              ~/TODO.txt
    sullivan.el           1011  Emacs-Lisp        ~/sullivan.el
    test-marshalla.cpp     182  C++/l             ~/test-marshalla.cpp
    test.awk              3057  AWK/l             ~/mkcfg/test.awk
    cc-menus.el          15352  Emacs-Lisp        ~/cc-mode-5.31.n/cc-menus.el
    *scratch*                0  Lisp Interaction
  * *Messages*            3467  Fundamental

TOTALS 81 files; 7801019 bytes.

This is not intended to be an intellectual puzzle to work out what I'm
working on.  :-)

> -Miles

-- 
Alan Mackenzie (Nuremberg, Germany).