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ladberg
Joined 3,360 karma
Contact me at hackernews@leoadberg.com
  2. ladberg parent
    The study misleading claimed to produce images from brainwaves. In reality, they effectively built a combination of classifier from brainwaves to one of a few predetermined classifications of images shown (still cool, but less impressive) and a neural net to reproduce images it was trained on given a classification (boring).
  3. ladberg parent
    Apple is the leader of nearly all new developments to the ARM ISA, which has evolved considerably since Acorn died.
  4. ladberg parent
    Do you know a single person who'd buy an iPhone without a camera? I don't
  5. ladberg parent
    They're not claiming to get that many values per pixel, they're getting that many values overall for the medium through which light passes between the card and the phone. The idea light comes from a source (e.g. sun), bounces off the various colors of the card and thus produces hundreds of different spectra, those all pass through a medium, and land on the phone camera. So you're getting one measurement consisting of hundreds of RGB values that each represent intensity of different spectra, and you combine it all together to get a single spectrogram.
  6. ladberg parent
    Ah yep read the labels backwards and meant that - ty for catching and for the explanation
  7. ladberg parent
    Given that the compiled version is slower than then eager version on A100, there's definitely something suboptimal happening there
  8. ladberg parent
    I think you're misunderstanding what that page is: it's not an advertisement to invest with the company, it's an advertisement to trade via/with the company in the same way you might otherwise go manually trade from a Bloomberg terminal (or any other method).

    There is no way to invest in the company, and the only way of becoming a "customer" is to engage in trading.

  9. ladberg parent
    > Its a finance firm - i.e scam firm. "We have a fancy trading algorithm that statistically is never going to outperform just buying VOO and holding it, but the thing is if you get lucky, it could".

    HRT trades their own money so if it didn't beat VOO then they'd just buy VOO. There are no external investors to scam.

  10. ladberg parent
    I can't comment on whether these particular pieces were generated, but models are certainly good enough now to handle these cases and more
  11. ladberg parent
    This strategy by definition wouldn't work if it was "background noise" because it relies on being able to move the market
  12. ladberg parent
    The main release highlighted by the article is cuTile which is certainly about jitting kernels from Python code
  13. ladberg parent
    It doesn't claim it's possible now, it's a fictional short story claiming "AIs can do everything taught by a CS degree" by the end of 2026.
  16. ladberg parent
    Health insurance does have profit caps, so like the sibling commenter said their margins are small (6%) but also decently under the cap (20%) in the first place.
  17. ladberg parent
    Insurance companies have pretty thing profit margins regardless, even in areas where profits are not capped. It's a competitive marketplace!
  18. ladberg parent
    Fun anecdote, ridewithgps.com was originally shown on HN 15 years ago by the founder: https://www.hackerneue.com/item?id=1030015
  20. ladberg parent
    For the record I was interning on Cameron's team while he worked on Rosetta 2 and didn't even know myself what he worked on (the rest of the team and I were working on something else). I only found out later after it was released!
  22. ladberg parent
    Gaussian splats can pretty much be rendered in any off the shelf 3D engine with reasonable performance, and the focus of the paper is generating the splats so there's no real reason for them to mention runtime details
  23. ladberg parent
    The linux boot sequence in a redstone ARM CPU might take 3 semesters by itself...
  25. ladberg parent
    Idk about this particular library but the no-jit restriction wouldn't apply to GPU code where pretty much every platform is always jitting the code, and shipping AOT-compiled code is often the exception.
  26. ladberg parent
    You've determined this about a 3.5 hour long podcast within the 14 minutes it was out before commenting?
  28. ladberg parent
    Glad it was a learning experience for you and I apologize if I came off argumentative at all! I was mainly so incredulous because this is my day job haha, so I have a bit more experience than most in the area.

    It definitely sucks to be led astray and have time wasted by a bug inherited from the original repo though, sorry to hear that :/

  29. ladberg parent
    I hate to say it but that simply doesn't work: you can't write out of bounds to trick the compiler, it'll just ignore your out of bounds work.

    You can look at the generated sass on godbolt: https://cuda.godbolt.org/z/19excTxM3

    Note that there are 1024 FFMA instructions in the loop but you would expect 16*8*BK = 2048. This would suggest half the operations are skipped, which lines up with the half of writes that are out of bounds being omitted.

    After the compute loop when you're calculating the final result and storing it, you can see that the FFMAs referencing out of bounds indices write QNAN instead of any real results.

    Is it possible that the NANs are what are messing with your tests? Those are notoriously hard to deal with correctly, but you should assert that the result doesn't have any NANs whatsoever.

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