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lrizzo

HN member
Joined
Thu, Jan 06, 2011, 3:27 PM UTC
HN karma
401
Public activity
51 items

About lrizzo

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Recent public activity

  1. comment
    Comment #48888792

    same as in real life?

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  4. comment
    Comment #27728508

    I think there are two different use cases: - measurement at thread level (top and the like) should report instructions retired per unit of time, not %CPU. We want to know how much …

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  7. comment
    Comment #22798959

    Almost 10 years ago I wrote sttp http://info.iet.unipi.it/~luigi/sttp/ plain javascript + markdown variation, allows receivers to sync with the presenter using AJAX (that was the n…

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    Comment #22666857

    >> "With so many people and students around the world working from home, we really need some easy to deploy shared whiteboard solution. This is especially important for pre-college…

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    Comment #22661343

    I believe it is either "force portrait" or "autorotate", there is no "force landscape".

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    Comment #22147764

    I have two links related to tiled window management: The links are for WM configurations that let you move or resize windows keeping the corners on a configurable grid: [1] https:/…

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    Comment #22147417

    I have been using Spectacle for ages (with a custom javascript config, another post...). The problem is, Spectacle uses a 32bit API that is scheduled to go away and I am afraid tha…

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  14. comment
    Comment #15733990

    To be precise zfec uses Vandermonde codes and it is derived from my old fec library from 1996-97. See http://info.iet.unipi.it/~luigi/research.html#fec (in 90's web style).

  15. comment
    Comment #13354110

    Of all the problems you can have with this setting, brightness is not one of them. I have been using 4k 40" tvs and monitors with OSX and FreeBSD/linux for over 2 years now and ove…

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    Comment #11135337

    (OP/author here) I think you should have asked before changing the URL. The original URL pointed to the correct repository and had up to date performance numbers. Now it only point…

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    Comment #11131791

    and the mismatch between the number in the pdf and the one in the manpage/mail is due to subsequent optimizations.

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    Comment #10857335

    I really don't understand why for this use case people do not use a third wheel and save the energy consumed to stand still with self balancing. Not just this segway, also the doub…

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    Comment #10365731

    (netmap author here) I prefer to define netmap as a "network stack bypass" scheme because we use as much as possible of the OS -- all the things it does well, we do not want to rei…

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    Comment #8750963

    Speaking of screen size, having used it i confirm that 39-40" is what i find the minimum acceptable size for 4K if you are not running in HiDPI mode. It corresponds to 1080p at 20"…

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    Comment #8749956

    I have tried 4K@30Hz using HDMI on five different TVs (not monitors): Seiki 39" US, Seiki 39" UK (US and UK modes are different), Hisense 42K680, Samsung UE40HU6900DX, LG 40UB800 (…

  25. comment
    Comment #8014405

    I can't comment on HFT because I have no experience on that, and their focus is latency rather than throughput. For the latter (which matters in routers, for instance), netmap runs…