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Re: Something has sped up desktop. :-)
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From: |
Alan Mackenzie |
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Subject: |
Re: Something has sped up desktop. :-) |
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Date: |
Tue, 23 Jan 2018 20:47:37 +0000 |
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User-agent: |
Mutt/1.7.2 (2016-11-26) |
Hello, Eli.
On Tue, Jan 23, 2018 at 22:05:00 +0200, Eli Zaretskii wrote:
> > Date: Tue, 23 Jan 2018 19:41:21 +0000
> > From: Alan Mackenzie <address@hidden>
> > So, how come desktop is now so much faster than it was?
> Profile it, then we will know.
After examining the result of profiler-report (which shed no light on
the speed up, but suggested functions to examine):
With (elp-instrument-package "desktop-")
(elp-instrument-function 'find-file-noselect)
(elp-instrument-function 'find-file-noselect-1)
I got
(in Emacs 25.3):
desktop-read 1 13.248979429 13.248979429
desktop-create-buffer 315 13.205279113 0.0419215209
desktop-restore-file-buffer 309 11.734947750 0.0379771771
find-file-noselect 309 11.717252634 0.0379199114
<==========
find-file-noselect-1 309 11.308377736 0.0365966917
<==========
desktop-load-file 897 0.2864683340 0.0003193626
desktop-claim-lock 1 0.03431397 0.03431397
desktop-auto-save-set-timer 5 5.2026e-05 1.04052e-05
desktop-full-file-name 4 2.9286e-05 7.3215e-06
desktop-owner 1 1.6671e-05 1.6671e-05
desktop-full-lock-name 2 1.2353e-05 6.1765e-06
desktop-list* 1 1.0389e-05 1.0389e-05
desktop-save-mode 1 9.348e-06 9.348e-06
desktop-auto-save-cancel-timer 6 7.935...e-06 1.322...e-06
desktop-auto-save-enable 2 4.168e-06 2.084e-06
desktop-auto-save-disable 1 2.324e-06 2.324e-06
desktop-restoring-frameset-p 3 1.453...e-06 4.843...e-07
desktop-restore-frameset 1 1.443e-06 1.443e-06
desktop-lazy-abort 1 2.8e-07 2.8e-07
(and in Emacs 26.0.91):
desktop-read 1 4.993224913 4.993224913
desktop-create-buffer 315 4.9612332350 0.0157499467
desktop-restore-file-buffer 309 3.5642595339 0.0115348204
find-file-noselect 309 3.4490214970 0.0111618818
<==========
find-file-noselect-1 309 2.9180459170 0.0094435142
<==========
desktop-load-file 897 0.2635534279 0.0002938165
desktop-claim-lock 1 0.023274371 0.023274371
desktop-full-lock-name 2 2.8944e-05 1.4472e-05
desktop-full-file-name 4 2.7863e-05 6.96575e-06
desktop-owner 1 1.7113e-05 1.7113e-05
desktop-save-mode 1 1.3145e-05 1.3145e-05
desktop-auto-save-set-timer 1 1.08e-05 1.08e-05
desktop-list* 1 1.0099e-05 1.0099e-05
desktop-auto-save-enable 2 4.81e-06 2.405e-06
desktop-auto-save-disable 1 3.015e-06 3.015e-06
desktop-restore-frameset 1 1.522e-06 1.522e-06
desktop-restoring-frameset-p 3 1.483e-06 4.943...e-07
desktop-auto-save-cancel-timer 2 1.153e-06 5.765e-07
desktop-lazy-abort 1 3.61e-07 3.61e-07
. So, as a preliminary result, find-file-noselect is appreciably
faster.
--
Alan Mackenzie (Nuremberg, Germany).