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Top 16 C++ Sse Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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xsimd
C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V))
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 instantiate different versions that you can select at runtime!
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Simd
C++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON for ARM. (by ermig1979)
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DirectXMath
DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps
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Every port I've done to a new hardware or software platform has shaken loose at least a handful of bugs or assumptions that are well worth ironing out. And in the case of a port to Apple Silicon, you get a very fast development environment at the end of it. This library also helped with 90% of the work:
https://github.com/DLTcollab/sse2neon
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
- Project mention: Hlslpp: Math library using HLSL syntax with multiplatform SIMD support | news.ycombinator.com | 2025-06-11
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MIPP
Portable wrapper for SIMD and vector instructions written in C++11. Compatible with NEON, SSE, AVX, AVX-512 and SVE (length specific).
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VectorizedKernel
Running GPGPU-like kernels on CPU with auto-vectorization for SSE/AVX/AVX512 SIMD Architectures
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).
C++ Sse discussion
C++ Sse related posts
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Planes in 3D Space
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A proposal for the next version of C [pdf]
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The Case of the Missing SIMD Code
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Modern Perfect Hashing for Strings
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The Bitter Truth: Python 3.11 vs Cython vs C++ Performance for Simulations
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sse2neon - A C/C++ header file that converts Intel SSE intrinsics to Aarch64 NEON intrinsic
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A C/C++ header file that converts Intel SSE intrinsics to Aarch64 NEON intrinsic
- A note from our sponsor - InfluxDB www.influxdata.com | 23 Dec 2025
Index
What are some of the best open-source Sse projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ozz-animation | 2,733 |
| 2 | xsimd | 2,565 |
| 3 | Simd | 2,223 |
| 4 | DirectXMath | 1,730 |
| 5 | Vc | 1,512 |
| 6 | sse2neon | 1,464 |
| 7 | libsimdpp | 1,292 |
| 8 | hlslpp | 989 |
| 9 | std-simd | 631 |
| 10 | MIPP | 517 |
| 11 | toys | 371 |
| 12 | sse-popcount | 348 |
| 13 | MandelbrotSSE | 88 |
| 14 | HLML | 25 |
| 15 | VectorizedKernel | 9 |
| 16 | fpng-java | 2 |
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InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com