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Jonathan_Blow's profile
Jonathan Blow
Jonathan Blow
Jonathan Blow
@Jonathan_Blow

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Jonathan Blow

@Jonathan_Blow

Game designer of Braid and The Witness. Partner in IndieFund.

San Francisco
the-witness.net/news
Joined January 2010

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    1. bartwe‏ @bartwerf May 18
      • Report Tweet

      Path dependency failure is something i do wonder about (are enough kids learning low level assembly and ttl in schoo for example) and @Jonathan_Blow did a great talk about ithttps://www.youtube.com/watch?v=pW-SOdj4Kkk …

      3 replies 7 retweets 17 likes
    2. Bruce Hoult‏ @BruceHoult May 18
      • Report Tweet
      Replying to @bartwerf @majicDave @Jonathan_Blow

      I don’t know what to do about OSes. Linux is the best option for simplification right now, but it’s also become complex. But anything simpler has zero traction.

      1 reply 0 retweets 0 likes
    3. Jonathan Blow‏ @Jonathan_Blow May 18
      • Report Tweet
      Replying to @BruceHoult @bartwerf @majicDave

      In the short to medium term, someone could make a dramatically better OS by starting with the Linux kernel and just erasing all of userspace and starting over there. But in the long term a new kernel is needed that would be based on different ideas.

      4 replies 1 retweet 12 likes
    4. Jesse Meyer‏ @JesseRMeyer May 20
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      Replying to @Jonathan_Blow @BruceHoult and

      Have you any opinions on the various BSD kernels? Dragonfly takes multithreading very seriously.

      1 reply 0 retweets 0 likes
    5. Jonathan Blow‏ @Jonathan_Blow May 20
      • Report Tweet
      Replying to @JesseRMeyer @BruceHoult and

      I think the thing that Unix has become is just the wrong model for a personal computer in 2020 and onward. You want something secure by default, with communication via memory instead of pipes, drastically fewer executables, and no device driver / no need to go through kernel

      2 replies 1 retweet 8 likes
    6. Jonathan Blow‏ @Jonathan_Blow May 20
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      Replying to @Jonathan_Blow @JesseRMeyer and

      every time you access a device. Note that even just this latter constraint would simplify current-day kernels massively.

      1 reply 0 retweets 2 likes
    7. Jesse Meyer‏ @JesseRMeyer May 20
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      Replying to @Jonathan_Blow @BruceHoult and

      Thanks Jon. Do you have a simple explanation for how competing programs would share a device safely? Something akin to locks in shared memory?

      1 reply 0 retweets 0 likes
    8. Jonathan Blow‏ @Jonathan_Blow May 20
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      Replying to @JesseRMeyer @BruceHoult and

      I think that depends on the device, because different tasks are different. It seems easy to figure out how each individual task would work for most devices. The hard one I don't know about is the file system, I feel like that still needs to be in kernel, but haven't thought

      1 reply 0 retweets 3 likes
    9. Jonathan Blow‏ @Jonathan_Blow May 20
      • Report Tweet
      Replying to @Jonathan_Blow @JesseRMeyer and

      about it enough to be really sure. That said I feel like "the filesystem" is probably the problem. I am not sure why there should be a "the filesystem" as opposed to whatever filesystems applications maintain with user-level code (there is an overall disk space allocation

      1 reply 0 retweets 4 likes
      Jonathan Blow‏ @Jonathan_Blow May 20
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      Replying to @Jonathan_Blow @JesseRMeyer and

      problem, but that is the kind of thing that would be in per-application permissions anyway -- how much disk is this program allowed to use?) This means programs are siloed off from each other's files and probably most system files, but this is what we want for security anyway.

      1:45 PM - 20 May 2019
      • 5 Likes
      • Prince_Kiwii Ivan Braidi Stewart Smith @rogerclark
      2 replies 0 retweets 5 likes
        1. New conversation
        2. Jonathan Blow‏ @Jonathan_Blow May 20
          • Report Tweet
          Replying to @Jonathan_Blow @JesseRMeyer and

          (Well you also have to schedule, but I feel like by the time you get down to scheduling raw reads/writes, that is simple enough for the device to do without a kernel in the way).

          1 reply 0 retweets 3 likes
        3. Casey Muratori‏ @cmuratori May 20
          • Report Tweet
          Replying to @Jonathan_Blow @JesseRMeyer and

          And they already _do_ schedule them... all drives now have complicated controllers with caching on them, so it's not like the OS is doing the heavy lifting - the _drive_ is doing the heavy lifting.

          3 replies 0 retweets 8 likes
        4. State Off Games‏ @StateOffGames May 21
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          Replying to @cmuratori @Jonathan_Blow and

          Reinventing OS is one side of the story. But isn't the gaming targeted part like a small bootloader with an unikernel, with access to HDD, GPU and raw CPU (+threading & networking eventually). Like the Amiga OS in @cmuratori talk? Boot into a game

          1 reply 0 retweets 1 like
        5. Jesse Meyer‏ @JesseRMeyer May 21
          • Report Tweet
          Replying to @StateOffGames @cmuratori and

          Many PC gamers are accustomed to running web browsers along side their games in another monitor for twitching viewing as an example. So that would work for the enthusiasts but the more general and more common scenario puts us back in the resource sharing problem again

          1 reply 0 retweets 0 likes
        6. State Off Games‏ @StateOffGames May 21
          • Report Tweet
          Replying to @JesseRMeyer @cmuratori and

          But then we gain nothing. Isn't this why we have tablets, phones and the laptop etc. Plus: It's not like you can browse next to gaming on console either or back in the days in DOS. I'd say the enthusiasts are the target, else you don't need raw performance anyway IMHO

          1 reply 0 retweets 0 likes
        7. Jesse Meyer‏ @JesseRMeyer May 21
          • Report Tweet
          Replying to @StateOffGames @cmuratori and

          People can make it work by changing their behavior but people generally do not like that even if it's in their best interests. Make the path of least resistance the right and obvious path.

          0 replies 0 retweets 2 likes
        8. End of conversation
        1. New conversation
        2. Zyonji‏ @Zyonji May 20
          • Report Tweet
          Replying to @Jonathan_Blow

          What do you think about using a different file format in which the application states how memory, RAM and maybe CPU time it would like to have and has fixed locations in memory, where the OS would write how much of each it can provide?

          1 reply 0 retweets 0 likes
        3. Zyonji‏ @Zyonji May 21
          • Report Tweet
          Replying to @Zyonji @Jonathan_Blow

          I meant a different file format instead of the .exe format.

          0 replies 0 retweets 0 likes
        4. End of conversation

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