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OpenBSD vs SMP, Threading, and Concurrency, Ted Unangst

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  • Presented by Ted Unangst, OpenBSD developer

Advanced. Deep dive for people who know the field.

12K views17 years ago1 recommendation

Systems programmingOperating systemsConcurrency and parallelism

Ted Unangst discusses the history and implementation of symmetric multiprocessing, threading, and concurrency primitives in the OpenBSD kernel.

dcbsdcon 2009 ted unangst openbsd vs smp, threading, and concurrency I will discuss the current status of kernel SMP support, the rthreads thread library, and relevant future developments. Over the years, we have accumulated several concurrency primitives in the kernel, causing some confusion amongst developers, so I will lay out the origin and correct usage for each. The talk is primarily targeted at the budding OpenBSD kernel developer, but I will also describe the end-user effects of each topic. Source: Jason Dixon

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What people say. Recommended for its detailed look into kernel-level concurrency challenges and OpenBSD's approach to SMP.

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OpenBSD vs SMP, Threading, and Concurrency, Ted Unangst (2009)
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