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What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs.

Drawn from what Casey Muratori said

Subjectssoftware performancecompilers
What these subjects mean

software performance Speed as a mark of quality: bloat, boot times, and software that got slower on hardware that got faster.

compilers Programs that turn programs into programs: what a compiler can name, assembly, and building one that serves an editor.

Mental modelTrade-offs

What Casey Muratori actually said

  1. Casey Muratori Game and engine programmer
    But it's the cost of the compiler not being able to do any optimizations. That's the actual cost. And that cost can be severe.

    Where this was said

    Watch from 1:20:46 plays here

    ↗Why performant code matters (but gets widely ignored), with Casey Muratoriyoutube.com

    26 Aug 2026 · video · 1h 53m · spoken · machine transcript

    All 26 korrents from this recordingthis one is 20th

Added to korrents 7 Sept 2026 · How quotes work · Something wrong? Tell us

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