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Post AvKlHTT4ZKxJpJTeLY by [email protected] |
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More posts by [email protected] |
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Post #AvKlGGlEKPus7uOajg by [email protected] |
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On a 12-core M4 Pro, benchmarking an MPMC queue, I see:2 threads: 39.6M op/s3 t… |
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Post #AvKlGGsfsjs4UzsXL6 by [email protected] |
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@tavianator those CPUs are not really my area, but doesn't it have 4 "… |
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Post #AvKlGGyhWKgwnghLjU by [email protected] |
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@harold Wikipedia says it should have 8 P-cores (binned down from 10) and 4 E-c… |
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Post #AvKlGH558bnP7TgRg8 by [email protected] |
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@tavianator ok right, I was looking at the m4 non-pro, it shouldn't have a … |
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Post #AvKlGHA2q9lXMs0PPk by [email protected] |
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@harold @tavianator but on an mpmc queue as soon as any e core lights up it'… |
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Post #AvKlGHG4TkaPfYpDo8 by [email protected] |
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@harold @tavianator (easy to test by pinning the cores either way I expect) |
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Post #AvKlGHM67LPHyFe2CW by [email protected] |
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@dotstdy @harold not that easy on macOS, there's nothing like taskset/cpuse… |
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Post #AvKlGHS7kwEAGwSqau by [email protected] |
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@dotstdy @harold Activity Monitor.app confirms it's running on the P cores,… |
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Post #AvKlGHY9OX32ZdHezI by [email protected] |
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@dotstdy @harold oh maybe just a tuning issue. If I bump the optimistic spinni… |
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Post #AvKlGHeB27rusK6TNg by [email protected] |
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@tavianator @harold hmm idk, spinning is basically cheating in these kinds of b… |
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Post #AvKlGHjqh2PD9ul0Do by [email protected] |
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@dotstdy @harold the system in question is a multi-threaded IO dispatcher where… |
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Post #AvKlGHpsKdE5SbZocC by [email protected] |
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@tavianator @harold adding a sleep also effectively reduces the concurrency, od… |
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Post #AvKlGHvtyE2xlIOd0a by [email protected] |
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@tavianator @harold but both of these have significant negative impacts otherwi… |
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Post #AvKlHTT4ZKxJpJTeLY by [email protected] |
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@dotstdy @tavianator @harold CV needs a lock, so you could see weirdness under … |
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Post #AvKlIC1IvQTw0DpboO by [email protected] |
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@pkhuong @dotstdy @harold Indeed, actually the existing CV usage is basically e… |
