Optimizing Substring Search in Zig with SIMD for 60% Faster Performance
By
todsacerdoti
Crackling crust, pillowy middle. The kind of bagel that earns a second cup of coffee.
Summary
The article explores the implementation of a SIMD (single instruction, multiple data) algorithm in the Zig programming language to achieve a 60% performance improvement in substring search compared to Zig's standard library function. The author shares their learning journey and provides a baseline comparison to demonstrate the efficiency gains.
Key quotes
· 3 pulledThis article is a journey into implementing ~60% faster substring searching compared to Zig’s std.mem.indexOf using a SIMD-friendly algorithm.
I’ve seen a lot of articles about having massive performance gains by utilizing SIMD and wanted to learn how to do it myself.
SIMD (or ‘single instruction, multiple data’) code has interested me for a long time.
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