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xtensor-stack/xsimd

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C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V))

6 mentions on Hacker News by 6 people: 1 story, 5 comments · first 2020-08-04 · latest 2026-04-16

Mentions per year 6 mentions · busiest year 2020 (2)
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  1. ▲ 2
    xsimd: C++ Wrappers for SIMD Intrinsics
    story by tosh · 2026-04-16 · 0 comments
  2. Thanks, that's an important caveat! > Meanwhile xsimd ( https://github.com/xtensor-stack/xsimd ) has the feature level as a template parameter on its vector objects That's pretty cool because you can write function templates and…
    comment by spacechild1 · 2025-01-08 · in Expressive Vector Engine – SIMD in C++
  3. …them which is a huge mess https://jfalcou.github.io/eve/multiarch.html Meanwhile xsimd ( https://github.com/xtensor-stack/xsimd ) has the feature level as a template parameter on its vector objects, which lets you branch at runtime between…
    comment by vblanco · 2025-01-08 · in Expressive Vector Engine – SIMD in C++
  4. …google/highway: https://github.com/google/highway xtensor-stack/xsimd: https://github.com/xtensor-stack/xsimd GH topics > HashMap: https://github.com/topics/hashmap
    comment by westurner · 2023-12-05 · in GDlog: A GPU-accelerated deductive engine
  5. …even and odd values. Then perform saturated addition on those, which [isn't supported by xsimd]( https://github.com/xtensor-stack/xsimd/issues/314 ), so you'll need a couple of comparisons and blends to implement that. That's basically…
    comment by nemequ1729 · 2020-08-05 · in SIMD Everywhere: 0.5.0
  6. …xsimd, which provides a higher-level interface to architecture-specific SIMD instructions: https://github.com/xtensor-stack/xsimd
    comment by mainland · 2020-08-04 · in SIMD Everywhere: 0.5.0