Re: efficiency question on text manipulation using string vs buffer

[Kevin Rodgers]

Xah Lee wrote:
> emacs lisp question.
>
> it's said that for text manipulation, operation on buffer data type is
> more efficient than operation on string data type.
>
> today, i tried to test it, but the difference seems negligible ? My
> tentative test seems to indicate, that after performing 120 thousand
> string replacement, the string method is only 1 second slower.
...
> It appears to me, testing these commands on a text selection with
> about 122k chars that needs to be replaced, the second version is only
> 1 second slower? (both finishes within 2 or 3 seconds, on a 2007
> midrange PC)
>
> Any comments?

The version that takes 3 seconds is 50% slower than the version that
takes 2 seconds.

--
Kevin Rodgers
Denver, Colorado, USA