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cloudhead

@cloudhead.io
246 followers 58 following 141 posts

Computers, graphics, protocols. Working on @radiant.computer Previously @radicle.xyz

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cloudhead @cloudhead.io · 22/09/2026
“Pseudo intelligence”
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cloudhead @cloudhead.io · 05/08/2026
Yes, mobile needs a bit of left-right text padding
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cloudhead @cloudhead.io · 12/07/2026
I think Fable 5 / GPT 5.6 write better code than the average open source developer now. My reaction to seeing an AI-generated OSS repo is starting to go from negative to neutral.
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cloudhead @cloudhead.io · 25/05/2026
This. It’s just as hard to write high quality code with agents, if not harder.
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cloudhead @cloudhead.io · 22/05/2026
yeah it seems like it's not an issue to pull-off technically, but haven't seen a UI that offers this yet.
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cloudhead @cloudhead.io · 22/05/2026
It would be cool if you could rebase a conversation with an LLM after editing one of the earlier prompts. Just like `git-rebase`, but over a chat log. This would allow edits to trickle down to all subsequent responses.
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cloudhead @cloudhead.io · 21/05/2026
Vibed a little TUI to configure my Obsbot webcam under Linux, since there is no official software. Works great!
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cloudhead @cloudhead.io · 18/05/2026
Isn’t it the other way around? Secure code will finally be possible because we’ll squash all the bugs
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cloudhead @cloudhead.io · 18/05/2026
ikr
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cloudhead @cloudhead.io · 14/05/2026
If you're building something to last, it's probably not a good idea to vibe code it, unless you plan on rewriting it in the future.
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cloudhead @cloudhead.io · 14/05/2026
More code incidently also means 4) higher cost to audit, 5) more bugs and 6) poorer cpu and memory performance. Still, lots of hand-written software is slop and people still pay for it.
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cloudhead @cloudhead.io · 14/05/2026
The major downside of vibe coding is that you end up with 1) much more code, and 2) badly factored code, which leads to 3) very poor token efficiency when making changes. It probably still all works, but the cost of maintenance and change grows much faster than for manually written/reviewed code.
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cloudhead @cloudhead.io · 14/05/2026
So it's really about building the best possible tool that answers the question "what changed?", and "what does that mean?"
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cloudhead @cloudhead.io · 14/05/2026
I think there's a lot of low hanging fruit already just in pure "old school" review workflows. That's where I'm starting: first building a better diff viewer, then optimizing for code review. When I was spending 90% of my day in code editors, all the small details there mattered, now it's diffs.
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cloudhead @cloudhead.io · 14/05/2026
LLMs are incredibly useful despite writing poor quality code, but we need better code review tools.
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cloudhead @cloudhead.io · 14/05/2026
Progress on my TUI diff tool 👀
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cloudhead @cloudhead.io · 30/04/2026
I know plenty of very talented engineers who use AI assistance because they are able to produce better work with it. It's just a tool. Moderate people, not tools.
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cloudhead @cloudhead.io · 30/04/2026
This is the right policy. The problem is not AI in itself, it's low quality contributions, which there are more of now. That is the root issue and that's what should be addressed, not the tools used by the contributor. github.com/rust-lang/le...
github.com
Policy proposal: No low-effort contributions · Issue #273 · rust-lang/leadership-council
Note EDIT(@jieyouxu): Please see #273 (comment) for the finalized wording and scope for the policy being proposed for disposition-merge, which is different from the text in this starting issue desc...
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cloudhead @cloudhead.io · 29/04/2026
New #comics acquired!
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cloudhead @cloudhead.io · 24/04/2026
I was wondering the same thing
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cloudhead @cloudhead.io · 24/04/2026
Ah, that's a nice change. This means it should pick up this new tool, and we're back full circle!
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cloudhead @cloudhead.io · 24/04/2026
This is what the output of `git show` should look like. I've taken some of the work I did on terminal-based diff rendering for @radicle.dev and made it work as a general git-diff tool.
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cloudhead @cloudhead.io · 04/04/2026
Good engineering + clever use of LLMs will become unbeatable. We're just getting started.
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cloudhead @cloudhead.io · 28/03/2026
Trying out autoresearch to reduce compiler code size. Not bad, let's see how much of it I'll keep.
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cloudhead @cloudhead.io · 07/03/2026
An AST editor is always how I imagined the future of code editing -- text is just the visual representation of it, but the editor should operate directly on the AST. This also makes things like code formatters redundant. This is directionally right: ki-editor.org
ki-editor.org
Ki Editor | Ki Editor
Multi-cursor structural editor
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Reposted by cloudhead
Radiant Computer @radiant.computer · 02/03/2026
Radiant is open-sourcing its compiler toolchain and launching code.radiant.computer today.
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cloudhead @cloudhead.io · 02/03/2026
Congrats!
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cloudhead @cloudhead.io · 28/02/2026
Some more details about compiler bootstrapping, fixed points and trust. Though originally the fixed point was reached after 3 stages, it is now reached in 2!
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cloudhead @cloudhead.io · 25/02/2026
The problem with agents is they don’t know what they don’t know. We humans do have an intuition for it.
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Reposted by cloudhead
Radiant Computer @radiant.computer · 23/02/2026
The Radiance compiler has reached a fixed point. This means it can now compile itself and generate identical output to itself.
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cloudhead @cloudhead.io · 17/02/2026
user> just fix all the bugs I'm tired and going to bed. llm> ok, I'll fix all the bugs. ... 8 hours later ... llm> Wait, the issue might be... Actually... blah blah llm> But wait! Let me just.. blah blah blah user> I'm going back to bed.
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Reposted by cloudhead
Radiant Computer @radiant.computer · 16/02/2026
🪵 A new log entry was posted: "A.I. and the Future of Computing" radiant.computer/notes/ai-and...
radiant.computer
A.I. and the Future of Computing
A new kind of personal computer
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cloudhead @cloudhead.io · 15/02/2026
The bootstrapping stage is a bit of a mindfuck. R0 = C implementation compiled with clang. R1 = Radiance implementation compiled with R0. R2 = Radiance implementation compiled with R1. ⬅️ We're here.
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cloudhead @cloudhead.io · 15/02/2026
1. Writing a compiler in C to compile Radiance to RV64 ✅ 2. Porting the C compiler in (1) to Radiance ✅ 3. Compiling the ported compiler in (2) with the compiler in (1) ✅ 4. Compiling the self-hosting Radiance compiler (3) with itself 💥😵‍💫
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cloudhead @cloudhead.io · 13/02/2026
I can't think of anything more soul crushing in the UX space than trying to make a keyboard work on a smart phone's touchscreen. It simply is the wrong interface. In fact touchscreens are the wrong interface for most things. ios-countdown.win
ios-countdown.win
Fix the iOS Keyboard
A countdown for Apple to fix the iOS keyboard or lose a customer.
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cloudhead @cloudhead.io · 12/02/2026
I haven't, looks very interesting!
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cloudhead @cloudhead.io · 12/02/2026
Yes, this is a web-based Git repository browser created from scratch in a couple of hours using an LLM.
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cloudhead @cloudhead.io · 11/02/2026
Great read, thanks! You might find @radiant.computer interesting, it is very Wirth-inspired.
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cloudhead @cloudhead.io · 06/02/2026
Great talk about hardware/software co-design and why serious software developers should think about hardware. This is one of the core principles of @radiant.computer h/t @lorenz.leutgeb.xyz www.youtube.com/watch?v=v0Jj...
youtube.com
Bryan Cantrill: Andreessen’s Folly - The False Dichotomy of Software and Hardware
YouTube video by Jane Street
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Reposted by cloudhead
Radiant Computer @radiant.computer · 27/01/2026
Incompatibility allows true progress.
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Reposted by cloudhead
Radiant Computer @radiant.computer · 25/01/2026
🪵 A new log entry was posted: "Radiance Intermediate Language" radiant.computer/log/011-radi...
radiant.computer
Radiant Log #011
A new kind of personal computer
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cloudhead @cloudhead.io · 21/01/2026
Agreed. Having used both extensively I think the reason is simply that the Claude Code CLI is much better, and Claude is faster at coding.
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cloudhead @cloudhead.io · 16/01/2026
"On Being a Computer Scientist in the Time of Collapse" is a really excellent and thought provoking read. I'm one of those optimists that is heavily criticized in this essay. web.cs.ucdavis.edu/~rogaway/pap...
web.cs.ucdavis.edu
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cloudhead @cloudhead.io · 15/01/2026
I was wondering what that was
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cloudhead @cloudhead.io · 15/01/2026
‘What Remains of Edith Finch’ puts every other game I played recently to shame. What a crazy experience.
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cloudhead @cloudhead.io · 13/01/2026
It's a bit like power tools, they are faster but less precise, and may not give the same results in the end, due to the process being different.
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cloudhead @cloudhead.io · 13/01/2026
It's generally still quicker to do certain kinds of edits by hand, if you want something very specific. There's also the fact that writing code is a way to form thoughts and ideas that can be superior to prompting, ie. as purely a thinking tool to explore a design space.
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cloudhead @cloudhead.io · 13/01/2026
And "by hand" doesn't mean typing every character manually, but using Claude in a piecemeal fashion, ie. telling it specifically what functions to write, vs. telling it what the end state should be.
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cloudhead @cloudhead.io · 13/01/2026
The problem is identifying how Claude will perform early enough in the process, and that's hard, even with experience using LLMs. I think in the future I will limit this kind of workflow to maximum 2K LOC, anything over that should be written by hand or broken up in pieces somehow.
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cloudhead @cloudhead.io · 13/01/2026
It does seem like focusing specific code leads to better results, eg. if I ask it to simplify the function `lowerFieldRef`, it would find opportunities to simplify the code which it wouldn't if I asked it to do that for a set of functions which includes that one.
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