Assembly Hall of Shame Curates Slowest x86 Code

// 1h agoOPENSOURCE RELEASE

Assembly Hall of Shame Curates Slowest x86 Code

Created by renowned security researcher Christopher Domas (xoreaxeaxeax), Assembly Hall of Shame is a hilarious GitHub repository and leaderboard dedicated to discovering the absolute slowest x86 assembly instructions and snippets. Instead of optimizing for speed, the project invites developers to submit creative, worst-case performance scenarios to find the theoretical floor of CPU performance.

// ANALYSIS

A hilarious subversion of low-level optimization that serves as both CPU architecture entertainment and deep technical exploration.

* Showcases anti-optimizations that maximize instruction cycle counts on x86 processors.

* Created by Christopher Domas, famous for esoteric research like the MOV-only C compiler (movfuscator) and CPU fuzzing (sandsifter).

* Highlights edge cases in microcode execution, pipeline stalls, and architectural latency.

// TAGS

assembly-hall-of-shameassemblyx86performancebenchmarkinggithublow-levelcpu

DISCOVERED

1h ago

2026-08-07

PUBLISHED

3h ago

2026-08-07

RELEVANCE

6/ 10

AUTHOR

piotrgrabowski

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