Optimizing CRC32 Performance in Linux Kernel: AVX-512 & VPCLMULQDQ Boost Speed

 

Google engineer Eric Biggers boosts Linux kernel CRC32C performance by 30-50% using AVX-512 VPCLMULQDQ. Optimized for AMD Zen 4 & Intel Sapphire Rapids—faster checksums, lower latency. Learn how this impacts Linux performance!

Linux 6.16 Introduces X86_NATIVE_CPU Optimization for AMD & Intel Processors

 

Linux 6.16's CONFIG_X86_NATIVE_CPU enables '-march=native' for AMD/Intel CPUs, boosting kernel performance. Learn how to optimize GCC/Clang builds for AVX, SSE, and Rust code—plus expected benchmarks for servers and workstations.