To: vim_dev@googlegroups.com
Subject: Patch 7.3.455
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.3.455
Problem:    Using many continuation lines can be slow.
Solution:   Adjust the reallocation size to the current length.
Files:	    src/ex_cmds2.c


*** ../vim-7.3.454/src/ex_cmds2.c	2012-02-11 20:40:49.000000000 +0100
--- src/ex_cmds2.c	2012-02-22 18:24:11.000000000 +0100
***************
*** 3448,3454 ****
  	{
  	    garray_T    ga;
  
! 	    ga_init2(&ga, (int)sizeof(char_u), 200);
  	    ga_concat(&ga, line);
  	    ga_concat(&ga, p + 1);
  	    for (;;)
--- 3448,3454 ----
  	{
  	    garray_T    ga;
  
! 	    ga_init2(&ga, (int)sizeof(char_u), 400);
  	    ga_concat(&ga, line);
  	    ga_concat(&ga, p + 1);
  	    for (;;)
***************
*** 3460,3465 ****
--- 3460,3474 ----
  		p = skipwhite(sp->nextline);
  		if (*p != '\\')
  		    break;
+ 		/* Adjust the growsize to the current length to speed up
+ 		 * concatenating many lines. */
+ 		if (ga.ga_len > 400)
+ 		{
+ 		    if (ga.ga_len > 8000)
+ 			ga.ga_growsize = 8000;
+ 		    else
+ 			ga.ga_growsize = ga.ga_len;
+ 		}
  		ga_concat(&ga, p + 1);
  	    }
  	    ga_append(&ga, NUL);
*** ../vim-7.3.454/src/version.c	2012-02-22 18:12:29.000000000 +0100
--- src/version.c	2012-02-22 18:24:58.000000000 +0100
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     455,
  /**/

-- 
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 :-X	My lips are sealed

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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