4B If Statements

• compiler-explorer

  190 15,138 9.9 TypeScript

  Run compilers interactively from your web browser and interact with the assembly

  

Easy enough to check with even the indecent compilers!

https://godbolt.org/

• is-even

  26 96 0.0 JavaScript

  Discontinued I created this in 2014, when I was learning how to program. (by i-voted-for-trump)

  

The actual implementation of this package is even better.

https://github.com/i-voted-for-trump/is-even/blob/master/ind...

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• rust-playground

  67 1,168 9.5 Rust

  The Rust Playground

  

(Click ... beside build to get assembly) https://play.rust-lang.org/?version=stable&mode=release&edit...

Unfortunately the go playground doesn't seem to support emitting assembly?

• StringZilla

  14 1,791 9.8 C++

  Up to 10x faster strings for C, C++, Python, Rust, and Swift, leveraging SWAR and SIMD on Arm Neon and x86 AVX2 & AVX-512-capable chips to accelerate search, sort, edit distances, alignment scores, etc 🦖

Jokes aside, lookup tables are a common technique to avoid costly operations. I was recently implementing one to avoid integer division. In my case I knew that the nominator and denominator were 8 bit unsigned integers, so I've replaced the division with 2 table lookups and 6 shifts and arithmetic operations [1]. The well known `libdivide` [2] does that for arbitrary 16, 32, and 64 bit integers, and it has precomputed magic numbers and lookup tables for all 16-bit integers in the same repo.

[1]: https://github.com/ashvardanian/StringZilla/blob/9f6ca3c6d3c...

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