Messages in this thread | | | From | Gabriel Krisman Bertazi <> | Subject | Re: [RFC 00/11] optimise registered buffer/file updates | Date | Fri, 31 Mar 2023 10:35:09 -0300 |
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Pavel,
Pavel Begunkov <asml.silence@gmail.com> writes: > Updating registered files and buffers is a very slow operation, which > makes it not feasible for workloads with medium update frequencies. > Rework the underlying rsrc infra for greater performance and lesser > memory footprint. > > The improvement is ~11x for a benchmark updating files in a loop > (1040K -> 11468K updates / sec).
Nice. That's a really impressive improvement.
I've been adding io_uring test cases for automated performance regression testing with mmtests (open source). I'd love to take a look at this test case and adapt it to mmtests, so we can pick it up and run it frequently.
is it something you can share?
-- Gabriel Krisman Bertazi
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