Re: Vim surprisingly slow?

Dominique Pellé <dominique.pelle@gmail.com> wrote:

 

Using my attached io.pl script which summarizes the trace.log file

and shows where I/Os come from, I get this:

$ strace -f -e open,close,read,write,fsync -otrace.log \
    ./vim -u NONE data.json -S old_engine.vim

$ io.pl < trace.log

read_bytes   #read  write_bytes  #write  #open  #fsync  filename
----------   -----  -----------  ------  -----  ------  --------
   1612897      27          0       0       2       0  data.json
    135992      35          0       0       2       0  /usr/share/X11/locale/locale.alias
     36864       9          0       0       1       0  /usr/share/X11/locale/locale.dir
     16720       8          0       0       4       0  /home/pel/.ICEauthority
      4250       3          0       0       1       0  /usr/share/X11/locale/en_US.UTF-8/XLC_LOCALE
      3361       2          0       0       1       0  /lib/terminfo/x/xterm
      3171      16        216       7       1       0  /usr/share/locale/locale.alias
       832       1          0       0       1       0  /lib/x86_64-linux-gnu/libnss_nis.so.2

...snip many files with little amount of I/Os...

         0       0          0       0       1       0  .data.json.swx
         0       0     179281    5004    5004    5004  20150425.txt
         0       0          0       0       5       0  /etc/ld.so.cache
         0       0          0       0    5004       0  .
         0       0      16384       4       2       0  .data.json.swp
         0       0          0       0       1       0  /usr/lib/locale/locale-archive
----------   -----  -----------  ------  ------  -----  TOTAL
   1883068     191     195881    5015   15121    5004

Oops, I forgot to attach my io.pl script used to produce

above I/O summary.  Here it is attached this time.

Dominique

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