Yasoob Khalid • 2/26/2019

Python dis module and constant folding

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This article investigates why the pow(3,89) function call is slower than the 3**89 expression in Python. Using the dis module to decompile bytecode, the author discovers the performance difference is due to the overhead of loading the pow function. The article also explores the concept of constant folding, where Python pre-computes constant expressions like 3**64 at compile time, but not 3**65.

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#Python #performance #Bytecode
Python dis module and constant folding

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