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mratsim

HN member
Joined
Sun, Oct 15, 2017, 5:40 PM UTC
HN karma
1,410
Public activity
613 items

About mratsim

Ethereum, Nim and open-source dev during the day, data scientist, Kaggler and deep learning framework author at night.

Check out my Numpy/PyTorch alternative written in Nim: ergonomics of Python, speed of C, OpenMP, Cuda and OpenCL support - https://github.com/mratsim/Arraymancer

Recent public activity

  1. comment
    Comment #47620792

    In my case with vLLM on dual RTX Pro 6000 gpt-oss-120b: (unknown prefill), ~175 tok/s generation. I don't remember the prefill speed but it certainly was below 10k Nemotron-3-Super…

  2. comment
    Comment #41059483

    Exact instruction challenge https://www.youtube.com/watch?v=cDA3_5982h8

  3. comment
    Comment #41019032

    Years ago I started a collection of convolution optimization resources: https://github.com/mratsim/laser/wiki/Convolution-optimisati... Also checked and apparently Nvidia Cutlass n…

  4. comment
    Comment #40891530

    The Internet Engineering Task Force, which in particular standardizes TLS, has acknowledge my contributions for my contributions to the very generic and globally useful hashing-to-…

  5. comment
    Comment #40891496

    BLS signatures are general purpose, the only Ethereum specific thing is choosing which elliptic curves are used for public keys and which for signatures as well as a prefix before …

  6. comment
    Comment #40889728

    Great question, first of all I did extensive research https://github.com/mratsim/constantine/wiki/Constant-time-ar... . Then the library defines its own types SecretBool and Secret…

  7. comment
    Comment #40889691

    Author here, adding an accompanying post focused on performance: https://ethresear.ch/t/releasing-constantine-v0-1-0-a-modula...

  8. comment
    Comment #40754945

    According to the US, an US citizen just have to open a bank account anywhere in the world and the law applies, regardless of where the bank is hosted.

  9. comment
    Comment #40703470

    Reminded me of Bastiat's candlestick maker's petition: http://bastiat.org/en/petition.html

  10. comment
    Comment #40697853

    Why is it different? People don't have to comply to GDPR but if they want to serve EU folks then they don't have a choice.

  11. comment
    Comment #39872632

    What would be the 7 dimensions?

  12. comment
    Comment #39872629

    That was my reasoning for this "restriction".

  13. comment
    Comment #39861624

    Author here, Nim supports variadic generic, it's an arbitrary limitation so that shape and stride small vectors that describe a tebsor can be stack-allocated and fit in a cacheline…

  14. comment
    Comment #39767254

    They always take two months at the very minimum as well because buyers as to go to many banks or a loan broker. You have notaries involved and right to step away from a sale, no qu…

  15. comment
    Comment #39493524

    Overpromise and underdeliver. And lots of funding for then vaporware

  16. comment
    Comment #39468105

    idiv is not constant-time on any ISA anyway ;)

  17. comment
    Comment #39466662

    Percival cache attacks on Hyperthreading. I go over some examples here: https://github.com/mratsim/constantine/issues/358#issuecomme...

  18. comment
    Comment #39464730

    I've written and given a lot of references to attacks, countermeasures, fighting the compilers and even non-cryptographic side-channel attacks to uncover someone's Twitter identity…

  19. comment
    Comment #39450991

    Venmo, CashApp, Paypal "Friends or Family" and gift cards (Apple, Google Pay, Steam, ...) are all irreversible.

  20. comment
    Comment #39450983

    The same problem as with passwords that has been plagging the security industry for decades. Passwords, credentials and other high-risk high value intangible data are not associate…

  21. comment
    Comment #39448130

    Or for some there is a national base price.

  22. comment
    Comment #39411350

    It is a French company so maybe they have extra French datasets? I've been quite disappointed by French LLMs on Huggingface when I tried a month ago.

  23. comment
    Comment #39395578

    > In a way, I think you're absolutely correct that it's harder to change anything, but not because the method is wrong; it's because it addresses the fundamental issue of tradition…

  24. comment
    Comment #39370114

    When there is an emergency to break into a house, the police needs to get a mandate from a judge.

  25. comment
    Comment #39367656

    GPU drivers provide an event system: - Cuda: https://github.com/mratsim/weave/issues/133 - OpenCL: https://github.com/mratsim/weave/issues/134