hudsonwillis

4 tháng trướcdiscuss

yep and most of these actions can be implemented with simple mappings based on https://github.com/nvim-treesitter/nvim-treesitter-textobjec...

hudsonwillis

6 tháng trướcdiscuss

    Location: New York
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-- Senior engineer (Entry level +2) with 5 YOE. Extensive experience in performance engineering and optimization. Hands-on experience on HFT. Please only contact me if your are/represent an employer. No headhunter please

hudsonwillis

7 tháng trướcdiscuss

    Location: New York
    Remote: OKAY (but still looking for competitive pay)
    Willing to relocate: No
    Technologies: Modern C++ (Open to Rust), high-performance systems, distributed systems, Python, Shell script
    Email: [email protected]

hudsonwillis

2 năm trướcdiscuss

    Location: New York
    Remote: OKAY (but still looking for competitive pay)
    Willing to relocate: No
    Technologies: Modern C++ (Open to Rust), high-performance systems, distributed systems, Python, Shell script
    Email: [email protected]

--

Senior engineer (Entry level +2) with 5 YOE. Extensive experience in performance engineering and optimization. Hands-on experience on HFT. Please only contact me if your are/represent an employer. No headhunter please

hudsonwillis

2 năm trướcdiscuss

    Location: New York
    Remote: OKAY (but still looking for competitive pay)
    Willing to relocate: No
    Technologies: Modern C++ (Open to Rust), high-performance systems, distributed systems, Python, Shell script
    Email: [email protected]

-- Senior engineer (Entry level +2) with 5 YOE. Extensive experience in performance engineering and optimization. Hands-on experience on HFT.

Please only contact me if your are/represent an employer. No headhunter please

hudsonwillis

2 năm trướcdiscuss

    Location: New York
    Remote: Yes (but still looking for competitive pay)
    Willing to relocate: No
    Technologies: Modern C++ (Open to Rust), high-performance systems, distributed systems, Python, Shell script
    Email: [email protected]

--

Senior engineer (Entry level +2) with 5 YOE. Extensive experience in performance engineering and optimization.

Please only contact me if your are/represent an employer. No headhunter please.

hudsonwillis

2 năm trướcdiscuss

Interesting article. I investigated a few mentioned cases and here're my thoughts:

1. Pretty much all libgcc builtins (especially those manipulating integers/i128/bits) are known to be not super optimized and probably not well maintained to latest architecture. All places I worked use libdivide and other hand-rolled implementations rather than __addvti3

2. Many 32-bit inefficient compilations work correctly on amd64 platforms. Perhaps it's the lack of maintenance on 32-bit platforms?

3. When using two intrinsic in the same function, it's almost always slower than a hand-crafted snippet implementing the same semantic. Compilers aren't smart enough in this case.

hudsonwillis

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