dev call 20230803

Dev Call: 3 August 2023

Present

Matti, Florian, Du Toit, Simon, Petr, Antonio, Stepan

Agenda

• EuroPython 2023 recap
• Cython/HPy
• NumPy/HPy ideas

EuroPython 2023 recap

• How to advertise HPy more?
  • Petr plans to do an overview of HPy design and impl concepts mostly to explain it to others
  • This could be the base for cherry-picking single parts into the C API
  • Irit wrote a nice summary of the C API workgroup. We all should review it.
  • What is the way to move forward? Petr plans to write a big document explaining problems and suggesting solutions.
• Florian will

NumPy/HPy ideas

• Matti is pushing back on the idea that we should provide a HPy NumPy API. This should be the last thing after we have at least one full HPy universal module.
• Florian thinks, we can still do it (in a fork) and see how it works with

GIL / noGIL

• main difference: Py_INCREF / Py_DECREF
• Extensions need to recompile if the want to use noGIL
• If you use Py_LIMITED_API, no recompilation should be necessary
• subinterpreters and noGIL complement each other
• Petr and