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Async does make nvme io faster because queueing multiple operations on the nvme itself is faster.
by ozgrakkurt 6mo ago
Async does make nvme io faster because queueing multiple operations on the nvme itself is faster.
- mbid 6mo agoThis is outside of my expertise, but wouldn't multiple threads each submitting a single operation in parallel have the same effect?
- ozgrakkurt 6mo agoThat is still “async” considering what gp wrote. Because they wrote “thread per task” which I assume to mean something like “each os thread handles the work submitted by one user”. This is beside the point but, something like io_uring is still significantly better than doing threadpool nvme io.