Sep 0.10.0 was released April 22nd, 2025 with optimizations for AVX-512 capable CPUs like the AMD 9950X (Zen 5) and updated benchmarks including the 9950X. Sep now achieves a staggering 21 GB/s on the 9950X for the low-level CSV parsing. 🚀 Before 0.10.0, Sep achieved ~18 GB/s on 9950X.| nietras.com
Alright, alright, alright! This blog post announces the release of Sep 0.3.0 with unescape support. Sooner than I had imagined given we don’t really need it, and primarily as a consequence of pride and vanity. Not the least given that in Joel Verhagen’s updated blog post, The fastest CSV parser in .NET, there is a big fat caveat attached to Sep:| nietras.com