Daniel Lemire

@lemire

Computer science professor at the University of Quebec, contributor to major data-science open-source projects, and long-time blogger. 👨‍💻

Montreal, Canada  
lemire.me/en/
Joined November 2007
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  1. Pinned Tweet
    10 Dec 2015

    Roaring bitmaps have now been implemented in Java, Go, Python, Cython, Rust, C#, Haskell, C, C++...

    2 replies 30 retweets 146 likes
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  2. 15 hours ago

    Apparently, Google sell ads based on people’s name. This freaks me out a little bit. When you search for “Yoshua Bengio” what comes out for me is an ad by Databricks. I like Databricks well enough, but they effectively bought “Yoshua Bengio”’s name.

    1 reply 6 retweets 6 likes
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  3. 19 hours ago

    This summer, we are organizing some fun events for people who are into tech… called “technolab”. The first one will be held July 10th at 2pm, room 12.001 at 5800 Saint-Denis (Montreal): “Do men earn more than women?”. In French. It is free, but get in touch first.

    1 reply 4 likes
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  4. Jul 2

    Some (More) C++ PRNG Implementations by cc

    1 reply 2 retweets 13 likes
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  5. Jul 2

    Predicting the truncated xorshift32* random number generator

    2 replies 4 retweets 18 likes
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  6. Jun 29

    Arcand’s latest movie is “Fall of the American Empire”, Inspired by Donald Trump and the next three centuries of inexorable decay that one may imagine… I’m more optimistic.

    1 reply 3 likes
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  7. Jun 29

    Science and Technology links (June 29th, 2018)

    1 retweet 4 likes
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  8. Jun 28

    My iPad Pro has a better keyboard than my Macbook. I don't want to blog about this, but the regular MacBook has a terrible keyboard. For someone like myself who types all the time... and tries to type fast... it is terrible. On my MacBook, the letter "I" sometimes comes off!

    7 replies 2 retweets 17 likes
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  9. Jun 27

    Hint: It is ridiculously easy to write a C program that has printf as *the* bottleneck.

    2 replies 34 likes
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  10. Jun 27

    I agree that we need a *lot* of engineering. But we are doing the work. Current PyTorch will look primitive in a decade or so.

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  11. Jun 27

    Of course we have cognitive gliders... and we have people with plans on how to crack human intelligence. None of it looks like it requires simulating with any kind of fidelity the human brain.

    3 replies 1 like
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  12. Jun 27

    Will natural language processing engineers find it hard to find work in the future? (Quora answer by ⁦⁩ )

    4 replies 5 retweets 11 likes
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  13. Jun 27

    According to this message I just got (see attached picture), I can get $5 million just by sending an email. And kids say we live in a world without opportunities!

    1 reply 2 likes
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  14. Jun 26

    Newly erected statue of Marx in Germany. Incredibly, Germans haven’t had enough Marxism.

    2 replies 3 retweets 6 likes
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  15. Jun 26

    Data processing on modern hardware cc

    5 replies 12 retweets 45 likes
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  16. Jun 24

    Science and Technology links (June 24th, 2018)

    2 retweets 5 likes
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  17. Retweeted
    Jun 22

    I just published “Chosen for Harvard”

    9 retweets 24 likes
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  18. Retweeted
    Jun 21
    Replying to

    Thanks, that makes sense. I did a plot of the number of times each value occurred in a large sample of random numbers generated with this method; the count is on the vertical axis. For large values of s the bias (separation in bands) is indeed significant.

    1 reply 1 retweet 2 likes
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  19. Retweeted
    Jun 19

    Graph: Harvard Office of Institutional Research. Admissions Office assigns lowest "personal ratings" to Asian-Americans -- of any racial group! But alumni interviewers give A-As top personality scores: comparable to whites, higher than other groups. More:

    14 replies 49 retweets 148 likes
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  20. Retweeted
    Jun 20
    Replying to

    Follow for all his research of those data structures interest you. He has a bunch of other ones too!

    1 retweet 7 likes
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  21. Jun 18

    Roaring Bitmaps in JavaScript

    8 retweets 7 likes
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