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MorlockP's profile
ⓘ Dogs don't have thumbs
ⓘ Dogs don't have thumbs
ⓘ Dogs don't have thumbs
@MorlockP

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ⓘ Dogs don't have thumbs

@MorlockP

Two-time Prometheus award-winning hard science fiction author. https://www.amazon.com/dp/B005JPPMS6  Learn how to homestead https://www.amazon.com/dp/B093BC3K1T 

Aristillus Crater, Luna
amazon.com/dp/B005JPPMS6
Joined June 2012

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    1. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      ⓘ Dogs don't have thumbs Retweeted Todd Barrett

      At some point I will do a 'splainer. ...with the caveat that I'm not a Hoon programmer, an Urbit expert, or any of that. I've just read the docs a bunch of times and think I kinda grok it. #UrbitThread <--- so I can find this laterhttps://twitter.com/thepiclord/status/1085184299333083141 …

      ⓘ Dogs don't have thumbs added,

      Todd Barrett @thepiclord
      I've read the material on Urbit (I'm not from a CS background!) and it still eludes me how it actually works. I believe its designed to create a network that works like a single computer, and thus allow you to distribute your files and processing power across many devices...
      2 replies 3 retweets 25 likes
      Show this thread
    2. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      2/ Let me start w a tiny bit of intro. Every computing thing sits atop a CPU. A CPU is a chip that executes instructions. Instructions are a set of N different integers. On the x86 series, integer 0x10 = 16 is "add"https://en.wikipedia.org/wiki/X86_instruction_listings …

      2 replies 0 retweets 4 likes
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    3. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      3/ x86 is an example of a CISC chip (complex instruction set chip). It has hundreds (thousands?) of different instructions. This level of complexity is hard to test as being correct...and can't be PROVEN to be correct. (Remember the "x87 bug" ? https://en.wikipedia.org/wiki/Pentium_FDIV_bug … )

      1 reply 0 retweets 2 likes
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    4. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      4/ The opposite of CISC is RISC. REDUCED instruction set computer. The smaller the instruction set, the easier to prove correctness. OK, so that's hardware CPUs. Say that we want to build something clean and tidy that abstracts away from the silicon CPU. What do we do?

      1 reply 0 retweets 0 likes
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    5. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      5/ We define a VIRTUAL machine. We write some software that runs on the actual silicon CPU and which simulates some other CPU. Which other CPU? What model? What brand? Here's a crazy thing: any! ...and you can even invent your own fictional CPU!

      2 replies 0 retweets 4 likes
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    6. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      6/ Java did this, and their virtual machine is called the JVM (Java Virtual Machine)https://en.wikipedia.org/wiki/Java_virtual_machine …

      1 reply 0 retweets 1 like
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    7. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      7/ Urbit has done this too, and their virtual CPU is called "Nock" or "the Nock VM" or something. It's a RISC design (reduced instruction set). It has just 10 or 12 or so integer opocodes. https://urbit.org/docs/learn/arvo/nock/definition/ …

      1 reply 0 retweets 2 likes
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    8. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      8/ You either are a coder, or you have friends who are coders, right? They don't program x86 chips using integers. They use higher level languages like C / C++ / Ruby / Python, which are then boiled down by other software into a sequence of integers that the x86 silicon groks

      3 replies 0 retweets 4 likes
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    9. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      9/ Likewise, folks are not expected to program in Nock. Hoon is a higher level language that is easier to write in. https://urbit.org/docs/learn/arvo/hoon/ …

      4 replies 0 retweets 2 likes
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      ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

      10/ OK, so we've done a very very VERY quick overview of what the Urbit "CPU" and "opcodes" and higher level programming language look like. Where is this CPU? Who gets one? What does it do?

      7:02 AM - 15 Jan 2019
      • 4 Likes
      • operation lockstep idprism ❤ 🇺🇸 ✠ zywiec Kevin Xu Todd Barrett
      1 reply 0 retweets 4 likes
        1. New conversation
        2. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

          11/ More on that later, maybe after lunch.

          1 reply 0 retweets 2 likes
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        3. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

          ⓘ Dogs don't have thumbs Retweeted 𝔻𝕦𝕩 𝔹𝕖𝕝𝕝𝕠𝕣𝕦𝕞

          12/ No, you do not. There is a thing called a "comet", which is a free little resource that you can use. Every piece of urbit real estate, from the very expensive "galaxy" down to the kinda affordable "star" down to free "comets" lets you run a full VMhttps://twitter.com/Face_Almighty44/status/1085190738164371462 …

          ⓘ Dogs don't have thumbs added,

          𝔻𝕦𝕩 𝔹𝕖𝕝𝕝𝕠𝕣𝕦𝕞 @Face_Almighty44
          Replying to @MorlockP
          I read the Primer last night. I'm interested, but only understood about 25% of it. One thing that isn't clear to me is if you have to have purchased or obtained real estate to play in that world.
          1 reply 0 retweets 5 likes
          Show this thread
        4. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

          13/ The only thing that higher levels of ownership get you are authority in the network of linked processes. Think of a galaxy as like owning ".biz" or ".com". Think of a star as like owning "http://fred.biz ". Think of a comet as like having a PC w internet connection

          2 replies 0 retweets 6 likes
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        5. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

          14/ A comet / a PC / a phone is good for 99% of what people want. Create content, consume content, run spreadsheets, etc. What does "http://fred.biz " get you? A nice name, and the authority to create http://jobs.fred.biz , http://blog.fred.biz , etc. Not much!

          1 reply 0 retweets 6 likes
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        6. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

          ⓘ Dogs don't have thumbs Retweeted

          15/ Correct; if your PC is turned off, you get no net traffic. When you turn it back on and reboot your urbit (i.e. comet/planet) you can - I THINK - get playback of net traffic. ...but not sure exactly how. https://twitter.com/_molten_steel_/status/1085277254651805697 …

          ⓘ Dogs don't have thumbs added,

          This Tweet is unavailable.
          2 replies 0 retweets 4 likes
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        7. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Jan 2019

          ⓘ Dogs don't have thumbs Retweeted Matt S "therapeutic lalochezia advocate" Trout

          16/ I just made up an anki "deck" ( a flash card program https://apps.ankiweb.net/  ) and am drilling myself. I've got my head 80% around Hoon now. Working on 100%.https://twitter.com/shadowcat_mst/status/1085286086962806787 …

          ⓘ Dogs don't have thumbs added,

          Matt S "therapeutic lalochezia advocate" Trout @shadowcat_mst
          Replying to @MorlockP
          I am absolutely fascinated by the design decisions in Hoon but cannot for the life of me get my head around the punctuation oriented syntax. Which annoys me given I spend most of my time writing perl!
          5 replies 0 retweets 9 likes
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        8. End of conversation

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