(original) (raw)

Not cheap enough.� There is no reason why creating another memoryview shouldn't be as cheap as creating a string slice.

I’m investigating why.

K

 

-----Original Message-----
From: python-dev-bounces+kristjan=ccpgames.com@python.org \[mailto:python-dev-bounces+kristjan=ccpgames.com@python.org\] On Behalf Of Antoine Pitrou
Sent: Wednesday, October 27, 2010 20:15
To: python-dev@python.org
Subject: Re: \[Python-Dev\] new buffer in python2.7

 

On Wed, 27 Oct 2010 20:00:10 +0800

Kristj�n Valur J�nsson <kristjan@ccpgames.com> wrote:

> Calling getbuffer on a bytearray or a bytes object should be really

> cheap, so I still don't accept this as a matter of fact situation.

 

It \*is\* cheap. It's just that copying a short slice is dirt cheap as well.

 

Of course, it you manipulate 1 KB slices or longer, it's different.

 

Regards

 

Antoine.

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