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cmuratori's profile
Casey Muratori
Casey Muratori
Casey Muratori
@cmuratori

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Casey Muratori

@cmuratori

I'm worried that the baby thinks people can't change.

Seattle
caseymuratori.com
Joined March 2009

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    1. Casey Muratori‏ @cmuratori Jul 7

      The hits keep on coming. I'm not sure whether to laugh or cry. https://nibblestew.blogspot.com/2021/07/looking-at-performance-of-refterm.html …

      75 replies 6 retweets 253 likes
    2. Ed Halferty‏ @ed_halferty Jul 7
      Replying to @cmuratori

      Do people think that "uses 14% of the GPU" means that once you run 7 copies of this program you'll be "out of GPU" and won't be able to run more?

      1 reply 0 retweets 15 likes
      Casey Muratori‏ @cmuratori Jul 7
      Replying to @ed_halferty

      Also that is 14% of the GPU for 7000fps. Somehow, the author couldn't guess that if one wanted to, one would just _actually wait on an input handle_ and it would drop to 0. Like that was far beyond the extrapolation they could have done.

      1:28 AM - 7 Jul 2021
      • 1 Retweet
      • 77 Likes
      • フィル フェ Rob Lubawski Pere Midnight@sh_code Sean🐀 judgedbytime Ivo Koller James McLaren froge
      5 replies 1 retweet 77 likes
        1. christopher henry‏ @lazytidefan Jul 7
          Replying to @cmuratori @ed_halferty

          It's not GPU but I remembered this from a few years ago in VSCode. The blinking cursor was taking ~13% of CPU. Hilarious parallel that you can hopefully use to prove your opponents on this issue are not arguing in good faith. https://www.reddit.com/r/programming/comments/612v99/vs_code_uses_13_cpu_when_idle_due_to_blinking/ …https://developers.slashdot.org/story/17/03/24/1511252/blinking-cursor-devours-cpu-cycles-in-visual-studio-code-editor …

          0 replies 0 retweets 0 likes
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        1. Robby Rob‏ @rob_robby Jul 7
          Replying to @cmuratori @ed_halferty

          I would call myself absolutely unknowledgeable in the field of programming, but what the author described is beyond denial. I mean, his first sentence of what he believes what the sample code represents shows he even had read the first output the code draws on screen...

          0 replies 0 retweets 2 likes
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        1. symp‏ @symp70327192 Jul 7
          Replying to @cmuratori @ed_halferty

          Waiting on an input handle as optimization would be an entire PhD project.

          0 replies 0 retweets 2 likes
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        1. New conversation
        2. Duncan Fewkes‏ @duncanfewkes Jul 8
          Replying to @cmuratori @ed_halferty

          Yeeah, that was a bit of a puzzler for me. "It runs at 1000s of FPS but uses 14% GPU!"... like, did the blogger not think that v-sync might help with that? And that the point of the proof of concept was to prove a concept and show how high the fps could be pushed? Mind-boggling.

          1 reply 0 retweets 7 likes
        3. Casey Muratori‏ @cmuratori Jul 8
          Replying to @duncanfewkes @ed_halferty

          It was pretty spectacular to watch somebody run a 7000fps demo and _not_ immediately understand that that would be 0% GPU usage for the exact same demo if you added a single call to MsgWaitForMultipleObjects.

          0 replies 0 retweets 14 likes
        4. End of conversation
        1. New conversation
        2. Simon Farre‏ @farre_x Jul 7
          Replying to @cmuratori @ed_halferty

          But yo, don't you know the "code is arranged in a non-standard way?" - That has to account for at least 95% of the speed increase. Right? Right?!?

          1 reply 0 retweets 13 likes
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