Type Hints at Run Time
Annotations cost nothing per call and everything at import. Reading __annotations__ takes 24 ns; resolving the same class with get_type_hints takes 3.4 µs, 140x more.
frameworks
2 posts
Where Your Django Request Time Actually Goes
Removing Django's entire default middleware chain saved 0.02 ms per request. Fixing one N+1 query on the same view saved 3.30 ms.