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r-devulap merged 1 commit into from
Mar 8, 2026
Merged

Update README with compiler compatibility details #232

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10 changes: 10 additions & 0 deletions README.md
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Expand Up @@ -82,6 +82,16 @@ benchmark](https://github.com/google/benchmark) (>= v1.9.2) frameworks
respectively. You can configure meson to build them both by using
`-Dbuild_tests=true` and `-Dbuild_benchmarks=true`.

## Supported Compilers

This library requires a **C++17** compatible compiler. While most modern compilers work, specific versions are required to support advanced SIMD instruction sets like AVX-512 and AVX-512FP16:

* **GCC**: Version **8.x** or higher is required for general builds.
* *Note: To support `_Float16` (AVX-512FP16), **GCC 12** or higher is mandatory.*
* **Clang**: Version **8.0** or higher is generally recommended for robust AVX-512 support.
* **MSVC**: **Visual Studio 2019 (version 16.8)** or newer is required for C++17 and initial AVX-512 intrinsic support.
* **Intel C++ Compiler (icx)**: All modern versions of the LLVM-based Intel compiler are fully supported and often provide optimal performance for these routines.

## Build using OpenMP

`qsort`, `argsort`, and `keyvalue_qsort` can achieve even greater performance
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