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Systems & Performance 1 Databases & Data 1

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21 GB/s CSV Parsing Using SIMD on AMD 9950X

2025322 points169 comments Databases & Data details

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.