Message 335704 - Python tracker

Message335704

Author	rhettinger
Recipients	Windson Yang, francismb, rhettinger, steven.daprano
Date	2019-02-16.17:44:35
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1550339075.39.0.98591180817.issue35892@roundup.psfhosted.org>
In-reply-to

Content
> We can return the smallest value from the table instead > of the code below. Internally, that does too much work and then throws most of it away. The difference between Counter(data).most_common()[1] and Counter(data).most_common(1) is that the former materializes the entire items iterator into a list and does a full sort, while the latter is memory friendly and makes a single pass with min().

Content

> We can return the smallest value from the **table** instead
> of the code below.

Internally, that does too much work and then throws most of it away.

The difference between Counter(data).most_common()[1] and Counter(data).most_common(1) is that the former materializes the entire items iterator into a list and does a full sort, while the latter is memory friendly and makes a single pass with min().

History
Date	User	Action	Args
2019-02-16 17:44:35	rhettinger	set	recipients: + rhettinger, steven.daprano, francismb, Windson Yang
2019-02-16 17:44:35	rhettinger	set	messageid: <1550339075.39.0.98591180817.issue35892@roundup.psfhosted.org>
2019-02-16 17:44:35	rhettinger	link	issue35892 messages
2019-02-16 17:44:35	rhettinger	create