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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