On Thu, January 12, 2012 8:35 am, Dominique Pellé wrote: > Marc Weber wrote: > >>> Joining lines by backslash in Vim scripts are bits slow. >>> Currently, it call alloc/strcpy/strcat/free in each lines. >> >> If you are at it - would you mind spending some additional minutes on >> the join() command? >> Maybe it can be fixed equally fast. >> Its very slow as well - that slow that we use workarounds in VAM: >> https://github.com/MarcWeber/vim-addon-manager-known-repositories/blob/master/autoload/vamkr.vim >> line 13 is much faster than line 14. >> >> line 5 shows one way to benchmark it. >> >> Marc Weber > > Hi Marc > > Is that still really true? > I remember that speed speed of joining lines was slow [ O(n^2) ] > (where n is the number of lines to join) and it was fixed in Vim-7.3 > in this checkin: > > === > changeset: 2292:2209060c340d > branch: vim73 > user: Bram Moolenaar <[email protected]> > date: Sat Jul 10 17:51:46 2010 +0200 > files: runtime/doc/todo.txt src/edit.c src/ex_docmd.c > src/normal.c src/ops.c src/proto/ops.pro > description: > Make joining a range of lines much faster. (Milan Vancura) > ===
I think Mark was talking about the join() function, which was not touched in this commit (which only took care of the :join command) regards, Christian -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php
