Dominique Pelle wrote:
> I've noticed that pasting a large amount of text in the
> Ex command line of Vim-7.3.444 (huge) is very slow.
> Performances is quadratic with the number of characters
> pasted.
>
> Attached patch speeds it up.
>
> Here is the measured speed to paste 1000, 2000, 4000,
> 8000, 16000 characters in Ex command line before and
> after patch:
>
> number of time time
> characters before after
> pasted patch patch
> ------------ --------- -------
> 1000 0.195 sec 0.050 sec
> 2000 0.610 sec 0.050 sec
> 4000 2.363 sec 0.053 sec
> 8000 8.564 sec 0.059 sec
> 16000 26.960 sec 0.091 sec
>
> I measured with this command (example with 8000 characters):
>
> $ time vim -u NONE \
> -c 'let @"=repeat("x", 8000)|call feedkeys(":\<C-R>\"\<C-C>:q\<CR>")'
>
> Patch is small but function getcmdline(...) is complicated
> so please double check that the patch is OK. I don't see any
> unwanted side effect.
Thanks. I'll check it out.
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