Drew DeVault 1/12/2026

Redesigning my microkernel from the ground up

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The author recounts abandoning their first microkernel, Helios, due to foundational design flaws. After years of research and building a Unix clone for experience, they started fresh to create Hermes. This new kernel features a simpler, more robust design with early implementation of symmetric multiprocessing (SMP) and an improved scheduler.

Redesigning my microkernel from the ground up

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