Show HN: A fast hex dumper, written in Rust

Category: cli-tool

Tags: hex-dumper, rust, cli-tool

Score: 5.5/10 (Innovation: 4, Technical: 7, Documentation: 7, Utility: 4)

fasthex is a high-performance hex dumper written in Rust that leverages mmap, SIMD instructions (AVX2/SSE), and zero-copy I/O via vmsplice/splice to achieve dramatically faster speeds compared to traditional tools like xxd or hexyl. Its use of parallelism and advanced Linux syscalls makes it technically impressive, though its utility is niche for users needing to hex dump very large files quickly.

Target audience: backend devs, devops, data engineers

Repository: https://github.com/CallMeAlphabet/fasthex · Rust · GPL-3.0 · 1 stars

View on Hacker News