Mpmc Ring Buffer, These are very unfashionable (especially

Mpmc Ring Buffer, These are very unfashionable (especially in rust) but can be made wait-free with a single atomic for readers and writers. Implemented in pure C++11. MPMC (multiple-producers and multiple consumers) enabled. Here, I am testing some multi-producer multi-consumer bounded ring buffer FIFO queue implementations for fun. For simplicity let's imagine N threads, which share same buffer and exchange messages of the fixed size. Object are produced and consumed without being even moved. I'm imagining modifications to it that would make it suit your purposes. Feb 26, 2017 · The fixed size of ring queue is usually power of 2, the reason for this is that you can use pointer & (RING_BUFFER_SIZE-1) instead of pointer % RING_BUFFER_SIZE for a pointer to circle back and point to the beginning of the ring queue. Concurrency is achieved by using different ring buffers for different traffic classes. Under the hood, ring_channel is just a thin abstraction layer on top of a multi-producer multi-consumer lock-free ring-buffer.

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