In this lucky episode we're interviewing fellow core developer Brandt Bucher to talk about Justin, Swedish warships, and the n-body benchmark. We're also breaking the duration record with this one. We promise we'll get faster in future releases!

## Outline

(00:00:00) INTRO

(00:01:43) PART 1: BRANDT BUCHER INTERVIEW

(00:03:04) Beginnings of contribution

(00:06:29) Sticking around

(00:09:38) PEP work: pattern matching, dict unions, weird decorators

(00:13:07) Implementing pattern matching, we like parsers

(00:19:41) First tasks with the Faster Python team

(00:20:59) It's always pytest with these things

(00:28:55) Pepe Silvia and generators

(00:30:12) The paper that inspired the JIT

(00:32:01) The n-body benchmark is a joke

(00:35:33) What even is a JIT?

(00:38:11) Advantages of copy & patch

(00:40:27) The Vasa Question

(00:45:30) When are we getting faster?

(00:49:09) Using pure Python versions of libraries... for speed?

(00:52:18) The weirdest bug so far

(00:55:12) How did removal of the GIL complicate your life?

(00:57:53) Naming things is hard

(00:59:55) Collaborating and mentoring others

(01:06:19) The Linker Connoisseur Question

(01:08:53) PART 2: PR OF THE WEEK

(01:14:04) PART 3: WHAT'S GOING ON IN CPYTHON

(01:14:40) Jelle is implementing PEP 649 and PEP 749

(01:15:08) Petr's battle with string interning

(01:16:24) Ruben Vorderman makes str.count 2X faster

(01:16:54) Ken Jin folds constants in entire attribute loads

(01:18:07) neonene and Eric Snow make datetime work better with subinterpreters

(01:20:18) pickle protocol 5 will be the default in 3.14

(01:21:58) Tian Gao improves pdb

(01:23:42) Free-threading changes galore

(01:27:34) Victor exposes PyUnicodeWriter in the C API

(01:28:18) PyREPL changes & going off the rails