Re: slow output in *compilation* buffer

[Dan Nicolaescu]

Chong Yidong <address@hidden> writes:

  > Dan Nicolaescu <address@hidden> writes:
  > 
  > > Another data point, take the process output out of the equation:
  > > grep -nH -e emacs *.el */*.el > /tmp/t.grep
  > >
  > > emacs -Q /tmp/t.grep
  > > M-x compilation-mode RET
  > > M-x font-lock-fontify-buffer RET    [this might not be necessary]
  > 
  > Could you also try with the Emacs 22 version of
  > compilation-error-regexp-alist-alist?

It was easier to just try with emacs 22's version of compile.elc:

 time   seconds   seconds    calls   s/call   s/call  name    
 36.30      5.96     5.96 101988546     0.00     0.00  lookup_char_property
 20.46      9.32     3.36 101705047     0.00     0.00  previous_interval
 16.69     12.06     2.74 408403635     0.00     0.00  Fcdr
  6.03     13.05     0.99 101936877     0.00     0.00  Fassq
  4.57     13.80     0.75     9018     0.00     0.00  
Fprevious_single_property_change
  3.47     14.37     0.57    18432     0.00     0.00  Fsetcar
  1.52     14.62     0.25  8893438     0.00     0.00  mark_object
  1.46     14.86     0.24  1393971     0.00     0.00  re_match_2_internal
  1.16     15.05     0.19        2     0.10     0.10  adjust_for_invis_intang
  1.10     15.23     0.18   134046     0.00     0.00  Fbyte_code
  0.97     15.39     0.16 101988546     0.00     0.00  textget
  0.97     15.55     0.16    51481     0.00     0.00  re_search_2
  0.73     15.67     0.12     2686     0.00     0.00  Frassq
  0.37     15.73     0.06   259939     0.00     0.00  next_interval
  0.37     15.79     0.06       21     0.00     0.02  Fgarbage_collect
  0.30     15.84     0.05    19575     0.00     0.00  mark_vectorlike
  0.24     15.88     0.04   501674     0.00     0.00  unbind_to
  0.18     15.91     0.03  1046758     0.00     0.00  specbind
  0.18     15.94     0.03   307777     0.00     0.00  find_interval
  0.18     15.97     0.03    11545     0.00     0.00  Flocal_variable_p
  0.12     15.99     0.02   618496     0.00     0.00  Faref
  0.12     16.01     0.02   539810     0.00     0.00  Ffuncall
  0.12     16.03     0.02   116540     0.00     0.00  Fstring_equal
  0.12     16.05     0.02    64204     0.00     0.00  Fadd_text_properties
  0.12     16.07     0.02    63142     0.00     0.00  internal_equal
  0.12     16.09     0.02    28438     0.00     0.00  set_internal
  0.12     16.11     0.02    21596     0.00     0.00  re_compile_pattern
  0.06     16.12     0.01   612304     0.00     0.00  Fcar