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---
name: VPP infrastructure library
maintainer:
- Dave Barach <dave@barachs.net>
features:
- Abstract device driver ring support
- Address sanitizer support
- Altivec, Neon, MMX, AVX2, AVX512 SIMD vector unit support
- Atomic op support
- Backtrace support
- Bitmaps
- Bounded-index extensible hashing templates
- C11 safe-string support
- Cache control primitives, including prefetching
- C-dynamic arrays (vectors)
- Circular doubly-linked list support with a head sentinel
- Contiguous N x fixed block allocator
- CPU clock based timebase support
- Doubly-linked list support
- ELF file parser
- Endian-order support
- Error return / reporting support
- FIFO support
- Fundamental types, u8, u16, u32, and so on
- High-performance event logger
- High-performance memcpy support
- High-performance mmap-based circular log support
- High-performance timer-wheel templates
- Linux socket support
- Linux sysfs file parsing support
- Low-level CPU support
- Mapped pcap file support
- Memory allocator, "Doug Lea" malloc with a few tweaks
- Minimal overhead Linux system-call support
- Multi-architecture setjmp / longjmp support
- Numerous Unit tests
- Physical memory allocator support
- Pools, a high performance fixed block allocation scheme
- Red/black trees.
- Rigorously vetted linear congruential random numbers (32 and 64 bit)
- Serialization / unserialization support
- SHA256, SHA512 support
- Simple first-fit virtual space allocator
- Simple hashing support
- Simple macro expander
- Sparse vector support
- Spinlock support
- Time Range support
- Unix / Linux errno support
- Vector-based printf / scanf equivalents (format, unformat)
- Warshall's algorithm (positive transitive closure of a relation)
- XXhash support
description: "VPP's foundation / infrastructure support library.
The library dates from 2000 and hardly changes anymore.
Heavily used across vpp, issues are not expected."
state: production
properties: [MULTITHREAD]
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