Thread

1. tecoholic · 1789900492 · focus · HN ↗

       One of the thorniest conversions was the session.ts file, which was over 30,000 lines of TypeScript that touched all aspects of the runtime.
   

   This can’t be real. Single file with 30K lines? Which human being is working on it and how much RAM does it take for a code editor to load that with full symbol tree? I am genuinely curious. Is this common? I think most files I come across stretch to maybe 2-3k lines max.

   1. wayvey · 1789900918 · focus · HN ↗

      I recently saw a ~60k lines / 3mb .cpp file in one vibe coded project (and yes I was a bit horrified) Surprised it works at all but it apparently does. Not really for a human though and even for an LLM it would be more beneficial for it to be split up.

      1. NewsaHackO · 1789901460 · focus · HN ↗

         This has to be 1) early LLM vibe coding or 2) “hand” vibe codingwhere the user asked the LLM to code sections and stitches them together manually, and the programmer is a novice. The second part I speak from experience; got to ~2k before realizing this is out of the script range and started to break it up. Regardless, it would be almost impossible to get an SOTA LLM agent to ever do this.

         1. applfanboysbgon · 1789904092 · focus · HN ↗

            It is very possible. Sol Max created a 17k line monolithic file in a prototype not long ago. If I didn't stop it and make it refactor everything it easily would have went to 60k. I think it's the default if you start a new project and don't define the architecture concretely with files and folders beforehand. Models have zero concept of architecture or long-term planning, they just band-aid the fastest immediate solution that gets them the reward.

            1. phoghed · 1789906039 · focus · HN ↗

               I find that specifically when you tell it you’re doing a prototype or POC, it takes that as a license to write huge single files and other shit coding practices.
      2. perching_aix · 1789904233 · focus · HN ↗

         I have seen 30k line cpp files even a decade ago (World of Warcraft server emulator, gameplay logic of a boss enemy), and was told it is fairly normal in large software (even 100K not being unheard of), so I'm not sure if it's that much of an LLM thing.

         1. dgellow · 1789905035 · focus · HN ↗

            In the cpp world that’s indeed relatively normal for complex projects.

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