
A Linux engineer moved three lines of code in kernel 7.2 to skip an unnecessary iomap memset after iteration. The change improves IOPS by about 5% on ext4 and xfs filesystems by freeing memory write bandwidth in high-IOPS scenarios like 4k randread NVMe polling via io_uring.
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Summary by ByteBrief
AVX-512 Boosts Linux RAID 41% On Ryzen 9 9950X