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Python Performance: Why 'if not list' is 2x Faster Than Using len()

blog.codingconfessions.com

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Python Performance: Why 'if not list' is 2x Faster Than Using len()

blog.codingconfessions.com

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[email protected]English • 3 months ago

cross-posted to:
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Discover why 'if not mylist' is twice as fast as 'len(mylist) == 0' by examining CPython's VM instructions and object memory access patterns.

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