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patch 8.1.1752: resizing hashtable is inefficient

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Problem:    Resizing hashtable is inefficient.
Solution:   Avoid resizing when the final size is predictable.
This commit is contained in:
Bram Moolenaar
2019-07-26 21:26:34 +02:00
parent 9d5ffceb3f
commit 7b73d7ebf7
4 changed files with 10 additions and 5 deletions
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4
src/popupwin.c
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@@ -2032,7 +2032,9 @@ f_popup_getpos(typval_T *argvars, typval_T *rettv)
top_extra = popup_top_extra(wp);
left_extra = wp->w_popup_border[3] + wp->w_popup_padding[3];
// we know how much space we need, avoid resizing halfway
dict = rettv->vval.v_dict;
hash_lock_size(&dict->dv_hashtab, 11);
dict_add_number(dict, "line", wp->w_winrow + 1);
dict_add_number(dict, "col", wp->w_wincol + 1);
@@ -2050,6 +2052,8 @@ f_popup_getpos(typval_T *argvars, typval_T *rettv)
dict_add_number(dict, "firstline", wp->w_topline);
dict_add_number(dict, "visible",
win_valid(wp) && (wp->w_popup_flags & POPF_HIDDEN) == 0);
hash_unlock(&dict->dv_hashtab);
}
}
/*