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🚨 New Blog Post 🚨 EXTRA EXTRA! Hot off the press! The power of binary pattern matching revealed! The in-depth investigation you don't wanna miss! Get your copy now! #ElixirLang peterullrich.com/binary-patte...

peterullrich.comBinary Pattern Matching in ElixirDecode bits and bytes into meaningful parts using the magic of Elixir pattern matching.

11/10/25, 12:11 pm9 reposts25 likes

Dr. Christian Geuer-Pollmann

@christian.geuer-pollmann.de

11 Oct 2025

The first one who shows the Quake algorithm with Elixir pattern matching wins a comment in the post? en.wikipedia.org/wiki/Fast_in...

en.wikipedia.orgFast inverse square root - Wikipedia

Dr. Christian Geuer-Pollmann

@christian.geuer-pollmann.de

11 Oct 2025

Just kidding, but that's a funny one gist.github.com/chgeuer/141e...

gist.github.comquake_iii_inverse_quare_root_in_elixir.livemcGitHub Gist: instantly share code, notes, and snippets.

{:ok, Noah}

@nezteb.net

11 Oct 2025

I figured I'd add some property-based testing (with StreamData) and timing comparisons: gist.github.com/Nezteb/bfbf1... The results may surprise you! 😏

gist.github.comquake_iii_inverse_quare_root_in_elixir_with_performance_test.livemcGitHub Gist: instantly share code, notes, and snippets.

Peter Ullrich

@peterullrich.com

11 Oct 2025

Haha, you two 😄 got nothing better to do on a Saturday?! 😜

Dr. Christian Geuer-Pollmann

@christian.geuer-pollmann.de

11 Oct 2025

That's interesting, indeed surprising that the "fast" one is consistently slower. Love the example