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io_uring is faster than mmap

(www.bitflux.ai)
283 points ghuntley | 1 comments | 04 Sep 25 22:01 UTC | HN request time: 0.405s | source
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jared_hulbert ◴[04 Sep 25 23:18 UTC] No.45133330[source]▶
Cool. Original author here. AMA.
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Jap2-0 ◴[04 Sep 25 23:33 UTC] No.45133433[source]▶
Would huge pages help with the mmap case?
replies(2): >>45133546 #>>45133572 #
1. inetknght ◴[04 Sep 25 23:53 UTC] No.45133572[source]▶
> Would huge pages help with the mmap case?

Yes. Tens- or hundreds- of gigabytes of 4K page table entries take a while for the OS to navigate.