Episode 5 - Cinder with Carl Meyer

core.py

This time we're hosting a special guest: Carl Meyer from Meta. What is Cinder, how does it work, and how does it intersect with the future of Python 3? Find out in today's episode. 100% serious stuff!

# Timestamps

(00:00:00)  INTRO

(00:00:53)  Carl Meyer's war story

(00:02:27)  CINDER

(00:03:22)  Static Python makes things significantly faster

(00:08:15)  Cinder JIT and how it's tuned for Instagram

(00:11:57)  Strict Python and the joy of import side effects

(00:16:35)  The static typing controversy

(00:18:52)  Upstreaming changes from Cinder?

(00:22:53)  PEP 709: Comprehension inlining

(00:28:35)  pip install CinderX

(00:31:19)  Immortal instances

(00:35:15)  asyncio.eager_task_factory()

(00:39:39)  Carl's pet peeve with Python

(00:44:49)  PR OF THE WEEK: PyPy's REPL in CPython

(00:52:07)  WHAT'S GOING ON IN CPYTHON

(00:52:22)  Python 3.12.1

(00:53:17)  Python 3.11.7

(00:54:45)  multiprocessing.SharedMemory track

(00:56:49)  Fine-grained error locations for multi-line expressions

(01:00:03)  libedit tab completion is fixed

(01:02:14)  Colored exception tracebacks

(01:05:11)  Removing testing modules from sys.modules, correctly

(01:06:47)  SBOMs are a very serious matter

(01:09:08)  Arrays by value on ARM

(01:12:24)  Remove development environments and CAPS LOCK

(01:15:30)  Interpreter cases generator refactored

(01:16:17)  Free-threading news

(01:20:01)  OUTRO