What Actually Happens During a Linux Context Switch: Registers, TLB Flushes, and the True Cost of Multithreading
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What Actually Happens During a Linux Context Switch: Registers, TLB Flushes, and the True Cost of Multithreading
What actually happens during a Linux context switch? Explore CPU register swapping, CR3 reload, PCID, and why cache thrashing costs 30,000 cycles.
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