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How to Print Integers Really Fast
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.
Paul Khuong
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.
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Visit pvk.ca → RSS feedOn Hacker News Aug 2012 – May 2026
Software Engineering 6Systems & Performance 3Math & Algorithms 2Programming Languages 1
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SBCL: the ultimate assembly code breadboard (2014)
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.
3
0x7FDE623822FC16E6: A magic constant for double float reciprocal (2011)
EDIT: I never expected this post to garner so much interest. Just to be clear, using the constant is a very bad idea in almost every situation I can think of. Even instructions like RCPSS should only be used by people who are convinced that the tradeoffs are worth it (or don’t have any other choice). Subtracting from…
4
The Unscalable, Deadlock-Prone, Thread Pool
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.
5
Stuff Your Logs
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.
6
Tabasco Sort: a super-optimal merge sort
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.