RE Module Performance

Chris Angelico rosuav at gmail.com
Thu Jul 25 17:36:07 CEST 2013


On Fri, Jul 26, 2013 at 1:26 AM, Steven D'Aprano
<steve+comp.lang.python at pearwood.info> wrote:
> On Thu, 25 Jul 2013 14:36:25 +0100, Jeremy Sanders wrote:
>> "To conserve memory, Emacs does not hold fixed-length 22-bit numbers
>> that are codepoints of text characters within buffers and strings.
>> Rather, Emacs uses a variable-length internal representation of
>> characters, that stores each character as a sequence of 1 to 5 8-bit
>> bytes, depending on the magnitude of its codepoint[1]. For example, any
>> ASCII character takes up only 1 byte, a Latin-1 character takes up 2
>> bytes, etc. We call this representation of text multibyte.
>
> Well, you've just proven what Vim users have always suspected: Emacs
> doesn't really exist.

... lolwut?

ChrisA



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