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ID_AA_Carmack's profile
John Carmack
John Carmack
John Carmack
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@ID_AA_Carmack

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John CarmackVerified account

@ID_AA_Carmack

Independent AI researcher, Consulting CTO Oculus VR, Founder Id Software and Armadillo Aerospace

Dallas, TX
oculus.com
Joined August 2010

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    1. John Carmack‏Verified account @ID_AA_Carmack 27 Apr 2020

      The Imperial College epidemic simulation code that I helped a little on is now public: https://github.com/mrc-ide/covid-sim … I am a strong proponent of public code for models that may influence policy, and while this is a "release" rather than a "live" depot, it is a Good Thing.

      22 replies 500 retweets 1,666 likes
      Show this thread
      John Carmack‏Verified account @ID_AA_Carmack 27 Apr 2020

      Before the GitHub team started working on the code it was a single 15k line C file that had been worked on for a decade, and some of the functions looked like they were machine translated from Fortran. There are some tropes about academic code that have grains of truth, but \

      1:37 PM - 27 Apr 2020
      • 30 Retweets
      • 253 Likes
      • oven Randy Bergman Luke Nash-Jones 🇮🇱🇭🇰🇿🇼🏴󠁧󠁢󠁷󠁬󠁳󠁿 Michael Lerro Demokratie der Angepassten Ni un paso atrás Janne Toivola Socially Distant Kitten Rummaging Globalism
      7 replies 30 retweets 253 likes
        1. New conversation
        2. John Carmack‏Verified account @ID_AA_Carmack 27 Apr 2020

          it turned out that it fared a lot better going through the gauntlet of code analysis tools I hit it with than a lot of more modern code. There is something to be said for straightforward C code. Bugs were found and fixed, but generally in paths that weren't enabled or hit. \

          5 replies 14 retweets 224 likes
          Show this thread
        3. John Carmack‏Verified account @ID_AA_Carmack 27 Apr 2020

          Similarly, the performance scaling using OpenMP was already pretty good, and this was not the place for one of my dramatic system refactorings. Mostly, I was just a code janitor for a few weeks, but I was happy to be able to help a little.

          6 replies 8 retweets 285 likes
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        4. End of conversation
        1. This Tweet is unavailable.
        2. Carbon Mike‏ @futureradiocast 2 May 2020
          Replying to @WiIIowWise @ID_AA_Carmack

          @WillowWyse it is not lost on me that you never received an answer.

          0 replies 0 retweets 14 likes
        3. End of conversation
        1. This Tweet is unavailable.
        2. Carbon Mike‏ @futureradiocast 2 May 2020

          True -- and more to the point, the current policy was formed based on the original code, not this rewrite (which, even if it is a thing of surpassing loveliness, is irrelevant for the purpose of forensic examination).

          0 replies 0 retweets 11 likes
        3. End of conversation
        1. This Tweet is unavailable.
        2. Carbon Mike‏ @futureradiocast 2 May 2020

          The silence here is deafening, don't you think?

          0 replies 1 retweet 8 likes
        3. End of conversation
        1. driverdaniel67‏ @driverdaniel67 7 May 2020
          Replying to @ID_AA_Carmack

          Please release the original code.

          0 replies 1 retweet 5 likes
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        1. New conversation
        2. F Frederick Skitty‏ @laughingboy65 7 May 2020
          Replying to @ID_AA_Carmack

          A decade to produce 15,000 lines of code? Only an academic could take so long to produce so little

          1 reply 0 retweets 6 likes
        3. Erik Engheim‏ @erikengheim 9 May 2020
          Replying to @laughingboy65 @ID_AA_Carmack

          That is a rather ignorant statement. Why should a code base be made to grow continuously as it is being used? If it works as intended there is no need to add lines of code. Academics are not primarily coders. Their work is not primarily to add lines of code.

          0 replies 0 retweets 12 likes
        4. End of conversation

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