Luke Wren

@wren6991

Interests: C, Verilog, Python. Dislikes: C, Verilog, Python. Software engineer at Raspberry Pi. DMs open. He/him

Vrijeme pridruživanja: prosinac 2011.

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  1. proslijedio/la je Tweet
    prije 44 minute

    PSA: nMigen has a new home at ; all ongoing development happens there.

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  2. prije 3 sata

    If your regression results don't come in the form of default HTML tables, something is wrong. You may not like it but this is what peak performance looks like

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  3. proslijedio/la je Tweet
    prije 15 sati

    Dear silicon manufacturers, While I do appreciate the utility of a maskrom, could you please just use that space for more flash and/or sram? Please? Just *something* I can update if the code is broken or bad. Thanks, -Aki

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  4. 5. velj

    TIL that C99 printf has a format specifier for "upper case floating point"

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  5. 26. sij

    SpaceX can land an orbital-class rocket booster on a boat but they can't count to 4 without causing mass confusion

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  6. 24. sij

    This is what we call a "load-bearing comment"

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  7. 22. sij

    Enjoying the arms race between budget airline baggage restrictions, and bags designed to exactly meet them

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  8. 20. sij

    There is some fancy "compressed" table lookup function which it calls instead of you know, sticking in some tests and branches I'm sure this is the right thing to do for most use cases, just surprising when you first bump into it

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  9. 20. sij

    TIL GCC depends on language runtime to implement some C switch statements Cursed, just cursed

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  10. proslijedio/la je Tweet
    16. sij

    Cows make milk. They milk themselves. Other cows check the milk (for free). Cows - get this - PAY THE FARMER to take the milk away. Then the farmer (you won't believe this, honestly) sells the milk *back to the cows.*

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  11. 14. sij

    UART is 8b/10b encoded, to guarantee transition density. This just further proves that UART is a serdes

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  12. 12. sij

    Mechanical backlash not necessary but it adds to the charm

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  13. 12. sij

    It doesn't need buttons It doesn't need a touch screen It doesn't need WiFi Two knobs: 1. how hot 2. how long And it should go dingggg when it's finished

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  14. 12. sij

    For reference, this is the CORRECT interface for a microwave, and all others are HERETICAL

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  15. 12. sij

    i.e. 100 PnR runs on the same synthesised netlist each time

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  16. 12. sij

    100 seeds each of the same RTL (blinky SoC), synthesised with and without the -abc9 switch abc9 seems vastly better in every way

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  17. 12. sij

    Passing sequence count as seed seems ok. I have to say this is the most fun I've had while heating my living room

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  18. 12. sij

    Um... does nextpnr use time for the "random" seed? The first 16 jobs all give the same answer

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  19. 12. sij

    Wondering what impact -abc9 has on frequency, and I can't think of another way to get a meaningful answer

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  20. 10. sij

    If you write a 150 page standard for finding out how big a flash is, nobody's gonna read it, especially flash manufacturers

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