xtensor-stack/xsimd
C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V))
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+69
STARS · LAST 30 DAYS
2
PER DAY
#259
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +14 | +69 | +180 |
| Per day | 2 | 2 | 2 |
| Forks gained | +2 | +6 | +16 |
xsimd gained 69 stars in the last 30 days, about 2 a day, and now has 2.8K. It is about 11 years old and has averaged roughly 252 stars a year. It ranks #259 among C++ repositories and #3,415 across all languages on GitHubRepo.
Trending Record
2
DAYS ON TRENDING
#5847
BEST RANK
Oct 16, 2026
FIRST APPEARANCE
Active
STATUS TODAY
xsimd has maintained a continuous presence across global trending indexes, peaking at #5847. Below is the 30-day activity profile:
💡 Overview
xsimd is an open-source project written in C++: C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V)).
Engineered for speed, consistency, and developer ease, it solves common hurdles in avx, avx512, cpp. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C++ for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/xtensor-stack/xsimd.git
cd xsimd⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
xsimd coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed xsimd into C++ backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open BSD-3-Clause license.
🚀 Getting Started
Install xsimd using your package manager: `git clone https://github.com/xtensor-stack/xsimd.git`
Initialize your project workspace or configuration file for xsimd.
Import xsimd into your codebase or invoke it directly from your terminal.
Execute your test suite or run `xsimd --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
xtensor-stack/xsimd is currently ranked #3,415 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,410 | reactor/reactor-netty | Java | ★ 2.8K | Compare ↗ |
| #3,411 | JakeWharton/mosaic | Kotlin | ★ 2.8K | Compare ↗ |
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| #3,413 | glincker/thesvg | TypeScript | ★ 2.8K | Compare ↗ |
| #3,415 | xtensor-stack/xsimd This Project | C++ | ★ 2.8K | |
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Frequently Asked Questions
What does xsimd do? +
C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V))
What language is xsimd written in? +
The primary language is C++. Topics include: avx, avx512, cpp, cpp17, mathematical-functions.
Is xsimd actively maintained? +
Yes, the last recorded push was on Oct 16, 2026 with 55 open issues being tracked.
How many stars does xsimd have? +
xsimd has 2,767 stars and 310 forks on GitHub.
How does xsimd rank among GitHub repositories? +
With 2,767 stars, xtensor-stack/xsimd is ranked #3,415 globally across all repositories tracked on GitHubRepo and #259 among C++ projects.
What license is xsimd distributed under? +
The repository reports a BSD-3-Clause license. Always verify the repository LICENSE file for legal terms.
