computed goto — 2 Technical Articles

Nov 1, 2024 · Fundamentals

How Python Implements the if Statement at the Bytecode Level

The article dissects Python's CPython implementation of the if‑elif‑else control‑flow construct, detailing the generated bytecode, the POP_JUMP_IF_FALSE/TRUE instructions, jump macros, helper truth‑testing functions, computed‑goto support, and the role of instruction prediction in the virtual machine.

CPythonPOP_JUMP_IF_FALSEPython

0 likes · 21 min read

How Python Implements the if Statement at the Bytecode Level

Satori Komeiji's Programming Classroom

Oct 21, 2024 · Fundamentals

Deep Dive into CPython: How the Bytecode Evaluation Engine Executes Code

This article dissects CPython's _PyEval_EvalFrameDefault function, explaining how the interpreter treats itself as a CPU, uses a stack frame, switches between Python and C call stacks, and employs computed‑goto optimizations to efficiently dispatch bytecode instructions.

CPythonbytecodecomputed goto

0 likes · 26 min read

Deep Dive into CPython: How the Bytecode Evaluation Engine Executes Code