cpuinfo

CPU INFOrmation library (binary utilities)

Description

cpuinfo is a library to detect essential for performance optimization information about host CPU.

Features

- **Cross-platform** availability:

- Linux, Windows, macOS, Android, and iOS operating systems

- x86, x86-64, ARM, and ARM64 architectures

- Modern **C/C++ interface**

- Thread-safe

- No memory allocation after initialization

- No exceptions thrown

- Detection of **supported instruction sets**, up to AVX512 (x86) and

ARMv8.3 extensions

- Detection of SoC and core information:

- **Processor (SoC) name**

- Integrated **GPU name** (Android/iOS only)

- Vendor, **microarchitecture**, and ID (**MIDR** on ARM, **CPUID**

leaf 1 EAX value on x86) for each CPU core

- Detection of **cache information**:

- Cache type (instruction/data/unified), size and line size

- Cache associativity

- Cores and logical processors (hyper-threads) sharing the cache

- Detection of **topology information** (relative between logical

processors, cores, and processor packages)

- Well-tested **production-quality** code:

- 60+ mock tests based on data from real devices

- Includes work-arounds for common bugs in hardware and OS kernels

- Supports systems with heterogenous cores, such as **big.LITTLE**

and Max.Med.Min

- Permissive **open-source** license (Simplified BSD)

This package ships with several binary utilities.

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