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      AVX-512 xor_gen Continues To Look Exciting For Helping Linux RAID With Modern CPUs

      news.movim.eu / Phoronix • 10:54

    Google engineer Eric Biggers back in June posted an AVX-512 optimization for Linux RAID yielding up to a 41% improvement on a modern AMD Ryzen 9 9950X (Zen 5) processor. A revised patch then put it as much as a 43% improvement for this AVX-512 optimized xor_gen() function. The code hasn't yet been merged to mainline but an updated version of it is now available...