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remexre

1,588 karma · joined October 12, 2016

PhD student at https://melt.cs.umn.edu/

Researcher at https://www.sift.net/

Email is concat ["me@", username, ".com"]

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remexre··on RISC-V: They Should Have Known Better
Doesn't the ELF loader do that?
remexre··on The Kimi K3 Moment
if Ford bought hundreds of millions of dollars worth of Hyundais, put extra instrumentation in them, and resold them at a discount to customers who agreed to the instrumentation in exchange for the discount, is Ford doing industrial espionage?
remexre··on The Kimi K3 Moment
assuming the k3 model weights do indeed get published, if your model of the world is "achieving RSI is beneficial and K3 has done so," this feels structurally different from ordinary industrial espionage, because the knowledge has enriched the commons

more like silk than capacitors

if, again, your model is that RSI will be beneficial, why wouldn't making it available to all unlock more benefit globally than not doing that

remexre··on The Kimi K3 Moment
my first prompt to any Kimi model was K3 via Pi, some version of "hi kimi!!" and the response was telling me "I'm actually Claude."

this is not hard to repro, just use a system prompt that doesn't mention the model name.

that said, if they bootstrapped with opus 4.6 convo sft data they had sitting around... so what?

remexre··on Rewriting Bun in Rust
the point of c++ when you need max perf is to be able to maintain the compile-time abstractions you need w/ templates instead of macros and undocumented optimizer behavior, not oop or raii
remexre··on Pioneer of 'extreme male brain' theory of autism now says phrase unhelpful
https://dispatchesfromtheautismwars.substack.com/p/are-autis...
remexre··on Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5
User Wanted: Minimum 5y agentic development experience with Fable?
remexre··on OpenAI unveils its first custom chip, built by Broadcom
hasn't pcbway been doing this for years?
remexre··on My Software North Star
I take (prescribed) amphetamines and use LLMs, and I think "I wrote this while on amphetamines" will leave you with way better understanding of the code than "I vibecoded this?" Like, to an absurd degree?

Vibecoding $x gives you pretty much the understanding of "someone else did $x," which seems unsurprising to me. There's a lot of usecases for code where "someone else did $x" is a perfectly fine way to accomplish $x! There are also many cases where "someone else did $x" is not a substitute for "I did $x."

"I want a tmux theme that fits with my existing zsh and neovim themes." Is it useful to me to learn how tmux themes work? Eh, marginally maybe? I'm personally kinda hoping I'm not using tmux in 10 years, so probably not.

"I'm writing code for work, where a bad correctness bug would be very expensive." If I'm pulling in someone else's code, I /better/ be auditing that code.

Like, this seems like the obvious framing and a useful heuristic? Maybe the problem is the subject of "vibecoded" is usually "I vibecoded this with Claude," not "Claude vibecoded this with me?" IDK

remexre··on OpenRouter raises $113M Series B
not sure that works as well when they don't own their API though; how much software is openrouter-only in a way that's not 5min of deepseek to patch the source for, or 15min of opus to patch the binary instead
remexre··on Everything in C is undefined behavior
the compiler can still interleave anything it shows is side-effect free; it’s hard to show that something would benefit from being reordered without analyzing it well enough to determine what side effects it has
remexre··on Reverting the incremental GC in Python 3.14 and 3.15
Have a reproducer?
remexre··on Why modern parents feel more sleep deprived than our ancestors did
I can't tell if you're hyperbolizing the idea of community, or describing schooling.
remexre··on I am worried about Bun
If I interpret "a machine superintelligence" as "a classroom of 300IQ humans," I'm not really sure how this is true? You still have material and energy constraints, you can't think your way out of those.
remexre··on Sally McKee, who coined the term "the memory wall", has died
the one where i think of a particular piece of work, and i know who did it, then tell a student "oh, see if $author's group published anything else about this."

i'm not using software for this if this is off the top of my head, and it's the sort of thing that, at scale, hurts the forgotten author and their students

remexre··on ReactOS Shows Improved Stability and 64-Bit Support at Chemnitz Linux Days 2026
pidfd, eventfd, AF_NETLINK, epoll, memfd, timerfd?
remexre··on We rewrote our Rust WASM parser in TypeScript and it got faster
you're thinking of the programs in low-level langs that survived their higher-level-lang competitors; if you plot the programs on your machine by age, how does the low quartile compare on reliability between programs written in each group
remexre··on Steel Bank Common Lisp
my impression is that most CL these days is existing large closed-source codebases, hence the price tag for those compilers (you're not trying it out for a bit, you're funding the compiler devs to work full-time on the issues you're actually having) and relatively little open-source activity for "finished" things -- if you're developing against internal libraries, it's hard to open-source just the part you intend to

(work at a CL shop; mostly SBCL users, but maybe 1/3 of people are die-hard ACL fans)

remexre··on Defer available in gcc and clang
https://0pointer.net/blog/file-descriptor-limits.html
remexre··on FlashAttention-T: Towards Tensorized Attention
how does this compare to MoSA (arXiv:2505.00315)? do you require that there's a single contiguous window? and do you literally predict on position, or with a computed feature?
remexre··on Data Processing Benchmark Featuring Rust, Go, Swift, Zig, Julia etc.
c++ certainly also has and needs a similarly sufficiently smart compiler to be compiled at all…
remexre··on Crafting Interpreters
https://en.wikipedia.org/wiki/Lexer_hack

Make your parser call back into your lexer, so it can pass state to it; make the set of type names available to it.

remexre··on A university got itself banned from the Linux kernel (2021)
The point of an IRB is to act as an outside reviewer of _ethics_. IRBs aren't some checklist thing admin put in to protect the University's reputation, they exist as a direct reaction to huge amounts of unethical human experimentation occurring last century.
remexre··on Sampling at negative temperature
There's usually an if(temp == 0) to change sampling methods to "highest probability" -- if you remove that conditional but otherwise keep the same math, that's not deterministic either.
remexre··on Brave overhauled its Rust adblock engine with FlatBuffers, cutting memory 75%
What properties are you validating? ld.so/libdl don't give you a ton more than "these symbols were present/absent."
remexre··on Brave overhauled its Rust adblock engine with FlatBuffers, cutting memory 75%
If you're trying to audit React, don't you either need to audit its build artifacts rather than its source, or audit those dev dependencies too?
remexre··on Scaling Latent Reasoning via Looped Language Models
Or more like,

    x = tokenize(input)
    i = 0
    do {
      finish, x = layers(x)
    } while(!finish && i++ < t_max);
    output = lm_head(x)
remexre··on Extensibility: The "100% Lisp" Fallacy
How would algebraic types work with SLIME? If I remove a constructor from my algebraic type, what happens to values of that type that are built with that constructor that're stored in globals?

In the same way that non-hygienic macros in a Lisp-2 with a CL-style package system are a local optimum, many non-obvious design choices in the Common Lisp type system and CLOS make SLIME "just work" in almost every case.

remexre··on Odin: Moving Towards a New "core:OS"
> get into "unsafe" states on purpose

see, this seems like something that's nice to actually put into the types; a Ptr<Foo> is a real pointer that all the normal optimizations can be done to, but cannot be null or otherwise invalid, and UnsafePtr makes the compiler keep its distance and allows whatever tricks you want.

remexre··on LearnixOS
This only covers what's in https://wiki.osdev.org/Bare_Bones, but in Rust, right?
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