You Won’t Believe This One Weird CPU Instruction! - Vaibhav Sagar


8 bookmarks. First posted by briantrice 8 days ago.


Posted on 8 September 2019 Tags: programming This is a pseudo-transcript of a presentation I did at !!Con 2019 . Most CPU architectures in use today have an…
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8 days ago by badboy
Showing the history of "popcount", and why it's useful for crypto.
"Also known as 'The NSA Instruction': supposedly it first appeared on the IBM Stretch, then after that every first faster CDC machine would be taken away by an anonymous truck.
cryptography  assembly  cpu  math 
8 days ago by mechazoidal
I wrote about my favourite weird CPU instruction!
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8 days ago by briantrice