Your CPU Is Lying to You
· muratkarslioglu.com
Research from Google, Meta, and industry papers shows “mercurial” CPU cores can silently return wrong results at roughly one affected machine per thousand, while storage-layer checksums (e.g., ZFS, object-store shard ha…
Lesson learned
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Treat every CPU boundary as untrusted: use strong cryptographic verification at ingest and between processing stages, cross-check distributed replicas (e.g., gradient hashes), and design storage and AI pipelines for end-to-end integrity rather than disk-only guarantees.