Message 215387 - Python tracker

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Author	pitrou
Recipients	ezio.melotti, josh.r, pitrou, serhiy.storchaka, vstinner
Date	2014-04-02.15:00:33
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1396450833.72.0.0820949096336.issue21118@psf.upfronthosting.co.za>
In-reply-to

Content
> bytes.translate() is much faster because it builds a C array of 256 > items to fast table lookup, whereas str.translate() requires a Python > dict lookup for each character, which is much slower. It should be easy to devise a simple hash table for the common case of one-to-one translation (and also deletion).

> bytes.translate() is much faster because it builds a C array of 256
> items to fast table lookup, whereas str.translate() requires a Python
> dict lookup for each character, which is much slower.

It should be easy to devise a simple hash table for the common case of one-to-one translation (and also deletion).

History
Date	User	Action	Args
2014-04-02 15:00:33	pitrou	set	recipients: + pitrou, vstinner, ezio.melotti, serhiy.storchaka, josh.r
2014-04-02 15:00:33	pitrou	set	messageid: <1396450833.72.0.0820949096336.issue21118@psf.upfronthosting.co.za>
2014-04-02 15:00:33	pitrou	link	issue21118 messages
2014-04-02 15:00:33	pitrou	create