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Meta Sees ~5% Performance Gains To Optimizing The Linux Kernel With BOLT
For years Meta/Facebook has been exploring using BOLT with the Linux kernel to optimize the layout of the Linux kernel binary
The performance benefit to particular workloads ultimately depends upon how much time the application spends in kernel space, with the likes of database servers, other network intensive workloads, etc stand to benefit more than largely user-space bound tasks. "By improving the code layout, BOLT can boost the kernel's performance by up to 5% by reducing instruction cache misses and branch mispredictions. Try it today to view our site ad-free, multi-page articles on a single page, and more while the proceeds allow us to write more Linux hardware reviews.
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