emacs 24.5 is downloaded from ftp://ftp.gnu.org/gnu/emacs/windows/ , I don't know whether it is enable -02, May be my machine is too slow, Thinkpad s3-s440 1. i5-4210U http://ark.intel.com/products/81016/Intel-Core-i5-4210U-Processor-3M-Cache-up-to-2_70-GHz 2. 4G RAM At 2016-06-15 04:39:34, "Fabrice Popineau" wrote: >Eli Zaretskii gnu.org> writes: > >> >> > From: Fabrice Popineau gmail.com> >> > Date: Tue, 14 Jun 2016 07:36:19 +0000 (UTC) >> > >> > > download pyim-bigdict-cf210fa066f2fa18c1606eeddfffcf84.el from >> > https://github.com/tumashu/tumashu-temp-filesand eval: >> > > >> > > #+BEGIN_EXAMPLE (setq pyim-dict-cache (with-temp- >> > buffer (insert-file-contents "/path/to/pyim-bigdict- >> > cf210fa066f2fa18c1606eeddfffcf84.el") (eval (read (current- >> > buffer)))))#+END_EXAMPLE >> > > >> > >> > So, starting from `emacs -Q' on an i7-4702HQ with emacs-25.0.94, windows 10, >I >> > get a user time of about 4s and the following profiler report: >> >> On an i7 system I get 0.6s with Emacs 25.0.95 and 2s with 24.5. Both >> are optimized (-O2) builds. This is comparable with the GNU/Linux >> results, and is what I'd expect. Unless yours are not -O2, I don't >> understand how you get so much slower times. > >I was running in economy mode power plan :-) > >$ time ../../build-emacs-25/src/emacs -Q -batch -l test.el > >real 0m0.737s >user 0m0.000s >sys 0m0.015s > >So yes, he must be using an unoptimized build. > >Fabrice