Hi Ramel,
2017/10/11 Wed 6:08:33 UTC+9 Ramel Eshed wrote:
> On Saturday, September 30, 2017 at 5:00:38 PM UTC+3, Bram Moolenaar wrote:
> > Ramel Eshed wrote:
> >
> > > Running the following script in the gui (:terminal job.sh) takes more
> > > than 10 seconds. During that time the screen in not updated and vim is
> > > not responsive. Doing the same in terminal-vim is much faster, but the
> > > screen is updated only when the job is finished.
> > >
> > > running this script using job_start(), for comparison, is very fast
> > > and seamless:
> > > call job_start(['/bin/sh', '-c', 'job.sh'], {'out_io': 'buffer',
> > > 'out_buf': 1})
> > >
> > > $ cat job.sh
> > > #!/bin/bash
> > > for i in `seq 1 20000`;
> > > do
> > > echo "$i"
> > > done
> > >
> > > I'm running the latest Vim (1161) on Ubuntu.
> >
> > Using job_start() is always going to be faster, since with a terminal
> > window everything goes through the virtual terminal. That's quite a bit
> > of overhead. Partly because it supports colors and other attributes.
> >
> > There is a todo item to make screen updating for the terminal more
> > efficient, not sure how much it helps in this case, it's mostly to skip
> > redrawing lines that didn't change.
> >
> > --
> > hundred-and-one symptoms of being an internet addict:
> > 231. You sprinkle Carpet Fresh on the rugs and put your vacuum cleaner
> > in the front doorway permanently so it always looks like you are
> > actually attempting to do something about that mess that has amassed
> > since you discovered the Internet.
> >
> > /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
> > /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
> > \\\ an exciting new programming language -- http://www.Zimbu.org ///
> > \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
>
> Hi Bram,
>
> I'm trying to understand why running my example script is so slow on gvim's
> terminal compared to gnome-terminal and terminal-vim:
>
> gnome-terminal:
> real 0m0.196s
> user 0m0.156s
> sys 0m0.036s
>
> vim:
> real 0m0.515s
> user 0m0.132s
> sys 0m0.024s
>
> gvim:
> real 0m7.953s
> user 0m0.120s
> sys 0m0.036s
>
> I tried to run with profiling but I'm not sure I understand the results..
> (see the attached vim and gvim gprof files).
> Is there any problem with profiling in the GUI? -because I see the following
> comment in the Makefile:
>
> # PROFILING - Uncomment the next two lines to do profiling with gcc and gprof.
> # Might not work with GUI or Perl.
>
> Can you learn something from the attached results?
Does this solve the problem?
https://github.com/vim/vim/pull/2010#issuecomment-334371470
I tried this only on Windows, so not sure this applies to Linux.
Regards,
Ken Takata
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