abhi9u@lemmy.world to

Technology@lemmy.worldEnglish · 3 months ago

Python Performance: Why 'if not list' is 2x Faster Than Using len()

blog.codingconfessions.com

147

Python Performance: Why 'if not list' is 2x Faster Than Using len()

blog.codingconfessions.com

abhi9u@lemmy.world to

Technology@lemmy.worldEnglish · 3 months ago

Discover why 'if not mylist' is twice as fast as 'len(mylist) == 0' by examining CPython's VM instructions and object memory access patterns.

Chat

gravitas_deficiency@sh.itjust.works
link
fedilink
English
arrow-up
1·
3 months ago
I know what an iterable is. But I am talking about Type[Iterable], which iirc does not obey falsey eval when empty.

Technology@lemmy.world

technology@lemmy.world

You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !technology@lemmy.world

This is a most excellent place for technology news and articles.

Our Rules

Follow the lemmy.world rules.
Only tech related news or articles.
Be excellent to each other!
Mod approved content bots can post up to 10 articles per day.
Threads asking for personal tech support may be deleted.
Politics threads may be removed.
No memes allowed as posts, OK to post as comments.
Only approved bots from the list below, this includes using AI responses and summaries. To ask if your bot can be added please contact a mod.
Check for duplicates before posting, duplicates may be removed
Accounts 7 days and younger will have their posts automatically removed.

Approved Bots

Visibility: Public

This community can be federated to other instances and be posted/commented in by their users.

1.28K users / day
5.44K users / week
11.4K users / month
25.1K users / 6 months
1 local subscriber
72.2K subscribers
3.61K Posts
47.5K Comments
Modlog