Commits on Jul 24, 2015

1. cache location of session file …

   Function session_file() returns the name of session file.
   This function is called for every change in VIM layout.
   
   Caching of return variable of this function gives x100 performance
   improvement.
   
   Before change:
   FUNCTIONS SORTED ON TOTAL TIME
   count  total (s)   self (s)  function
       6   3.369383   0.015592  g:GitSessionUpdate()
       6   3.353791   0.000861  <SNR>35_session_file()
       6   3.268404   0.001057  <SNR>35_session_dir()
      12   3.263580   0.004735  <SNR>35_in_git_repo()
   
   After this change:
   FUNCTIONS SORTED ON TOTAL TIME
   count  total (s)   self (s)  function
      11   0.026195             g:GitSessionUpdate()
      23   0.025646             <SNR>38_Highlight_Matching_Pair()
      11   0.000956             nerdtree#checkForBrowse()
   
   VIM profiling (http://stackoverflow.com/a/12216578):
           :profile start profile.log
           :profile func *
           :profile file *
           " At this point do slow actions
           :profile pause
           :noautocmd qall!
   
   Signed-off-by: Leon Romanovsky <leon@leon.nu>

   

   rleon committed Jul 24, 2015
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