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sYnfo

HN member
Joined
Thu, Nov 12, 2015, 1:51 PM UTC
HN karma
88
Public activity
19 items

About sYnfo

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Recent public activity

  1. comment
    Comment #41655577

    You might find the syscall tracing functionality of Cirron useful: https://github.com/s7nfo/Cirron

  2. comment
    Comment #41082191

    FYI vien [0] figured out that simply compiling with "-static -fno-pie" and _exit(0)-ing at the end puts the solution presented here to 15000 points and hence #4 on the leaderboard.…

  3. comment
    Comment #41081780

    Neat! I'll add the best solution without explicit SIMD/asm in this thread to the post after I wake up, it's a great datapoint.

  4. comment
    Comment #40955948

    14 already assumes unsigned accumulator! 255 [accumulator capacity] / (2 [shuffle-adds] * 9 [highest digit value]) ~= 14

  5. comment
    Comment #40955884

    Map vs. territory. The challenge, as defined by the system the competition runs on, is to get 3 correct responses in a row. That's it.

  6. comment
    Comment #40955306

    1) if you set BATCH_SIZE > 14 sums_acc may overflow 2) chunks with too many small numbers cannot be processed with just 2 shuffle-adds 3) (not mentioned in the post) HighLoad limit…

  7. comment
    Comment #40953982

    To be clear, it’s not dereferencing unmapped memory, I just haven’t shown how it’s being mapped, because it’s a little complex. As I note in the post, you can imagine as if I mmap …

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  14. comment
    Comment #19203785

    It's not quite so simple: AFAICS they have not open-sourced the training code, only one for sampling from the pre-trained model.

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