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Optimize menu sorting

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Sorting and deduplicating elements after all items have been registered
improves the time complexity of constructing the item list from O(n^2)
to O(n log n). On a system with about 4000 menu items, this reduces
startup time from about 0.21 seconds to 0.13 seconds.
This commit is contained in:
M Stoeckl 2024-10-31 09:23:26 -04:00
parent 12b8f83be4
commit 260eaba88e
5 changed files with 50 additions and 42 deletions
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3
wmenu-run.c
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@ -20,10 +20,11 @@ static void read_items(struct menu *menu) {
if (ent->d_name[0] == '.') {
continue;
}
menu_add_item(menu, strdup(ent->d_name), true);
menu_add_item(menu, strdup(ent->d_name));
}
closedir(dir);
}
menu_sort_and_deduplicate(menu);
free(path);
}