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Re: slow output in *compilation* buffer
From: |
Dan Nicolaescu |
Subject: |
Re: slow output in *compilation* buffer |
Date: |
Mon, 24 Aug 2009 11:52:31 -0700 (PDT) |
Stefan Monnier <address@hidden> writes:
> > % cumulative self self total
> > time seconds seconds calls s/call s/call name
> > 31.19 2.72 2.72 52618323 0.00 0.00 lookup_char_property
> > 20.30 4.49 1.77 51726150 0.00 0.00 previous_interval
> > 12.16 5.55 1.06 208889310 0.00 0.00 Fcdr
> > 5.85 6.06 0.51 52444384 0.00 0.00 Fassq
> > 5.39 6.53 0.47 4573 0.00 0.00
Fprevious_single_property_change
> > 2.64 6.76 0.23 8860105 0.00 0.00 mark_object
> > 2.52 6.98 0.22 10621 0.00 0.00 Fsetcar
> > 2.29 7.18 0.20 52618300 0.00 0.00 textget
> > 1.83 7.34 0.16 59828 0.00 0.00 re_search_2
> > 1.72 7.49 0.15 305181 0.00 0.00 re_match_2_internal
> > 1.03 7.58 0.09 82087 0.00 0.00 Fbyte_code
> > 0.80 7.65 0.07 9094 0.00 0.00
adjust_for_invis_intang
> > 0.80 7.72 0.07 581767 0.00 0.00 find_interval
> > 0.69 7.78 0.06 295253 0.00 0.00 next_interval
> > 0.69 7.84 0.06 21 0.00 0.02 Fgarbage_collect
> > 0.57 7.89 0.05 23886 0.00 0.00 mark_vectorlike
>
> compile.el does its work via font-lock, so I do expect most/all of the
> time to be spent there.
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]
% cumulative self self total
time seconds seconds calls s/call s/call name
35.13 5.54 5.54 102003560 0.00 0.00 lookup_char_property
22.45 9.08 3.54 101705026 0.00 0.00 previous_interval
13.57 11.22 2.14 408455379 0.00 0.00 Fcdr
6.59 12.26 1.04 9018 0.00 0.00
Fprevious_single_property_change
5.83 13.18 0.92 101946549 0.00 0.00 Fassq
2.98 13.65 0.47 18460 0.00 0.00 Fsetcar
1.71 13.92 0.27 9370435 0.00 0.00 mark_object
1.59 14.17 0.25 102003522 0.00 0.00 textget
1.46 14.40 0.23 54635 0.00 0.00 re_search_2
1.14 14.58 0.18 134737 0.00 0.00 Fbyte_code
0.95 14.73 0.15 adjust_for_invis_intang
0.95 14.88 0.15 525629 0.00 0.00 re_match_2_internal
0.82 15.01 0.13 262725 0.00 0.00 next_interval
0.63 15.11 0.10 2698 0.00 0.00 Frassq
0.44 15.18 0.07 22 0.00 0.02 Fgarbage_collect
0.32 15.23 0.05 541671 0.00 0.00 Ffuncall
0.32 15.28 0.05 22906 0.00 0.00 mark_vectorlike
0.19 15.31 0.03 584428 0.00 0.00 balance_an_interval
0.13 15.33 0.02 2333591 0.00 0.00
multibyte_char_to_unibyte_safe
0.13 15.35 0.02 315105 0.00 0.00 find_interval
0.13 15.37 0.02 133764 0.00 0.00 funcall_lambda
0.13 15.39 0.02 91236 0.00 0.00 add_properties
0.13 15.41 0.02 18261 0.00 0.00 set_point_both
0.13 15.43 0.02 9448 0.00 0.00 balance_intervals_internal
0.13 15.45 0.02 5316 0.00 0.00 set_buffer_internal_1
0.13 15.47 0.02 92 0.00 0.00 mark_glyph_matrix
0.13 15.49 0.02 Fmemory_limit
0.06 15.50 0.01 1006998 0.00 0.00 specbind
0.06 15.51 0.01 718455 0.00 0.00 Fcons
0.06 15.52 0.01 621053 0.00 0.00 Faref