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Comment on I've been writing ring buffers wrong all these years (2016)

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Most people implement them now in my field using mmap tricks so the CPU can do the wraparound for you in virtual memory.

Makes the code trivial

Not only that, but you can also always form a normal (ptr, size) slice reference to any piece of the ring buffer, even when it wraps. This is really helpful for Eigen arrays that you need to rotate.

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