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Ronan Lamy

@ronanlamy.bsky.social

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Reposted by Ronan Lamy

CF Bolz-Tereick

@cfbolz.bsky.social

Interpreter alignment chart

This alignment chart explores what counts as an "interpreter" across two dimensions: implementation (what form the interpreter takes) and input (what it processes).
Implementation Axis
Implementation Purist: An interpreter must be a program—software that executes on a computer.
Implementation Neutral: An interpreter must be electronic—it can be hardware or software, but requires circuits and electricity.
Implementation Rebel: An interpreter can be anything—no restriction on physical form or medium.
Input Axis
Input Purist: An interpreter works on a program—it must execute formal code or instructions.
Input Neutral: An interpreter works on text—it processes symbolic or written information.
Input Radical: An interpreter works on anything—no restriction on input type.
Examples Across the Spectrum

Lua (program processing programs)
CPU (electronic processing programs)
CEK-Machine (anything processing programs)
Excel (program processing text)
LLM (electronic processing text)
Shredder (anything processing text)
Doom (program processing anything)
TV (electronic processing anything)
Choir (anything processing anything)

October 15, 2025 at 7:56 PM

Reposted by Ronan Lamy

Antonio Cuni

@antocuni.bsky.social

Last week I was lucky to take part in the CPython Core Dev Sprint.
This is a summary of what I did, including an annotated and extended version of my talk on tracing JITs in real-world Python scenarios, plus some comparisons between PyPy’s JIT and CPython’s new JIT.

👉 antocuni.eu/2025/09/24/t...