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working hard and fast
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working hard and fast
4.9k followers · 67 following
  • Université du Québec (TELUQ)
  • Montreal, Canada
  • lemire (Daniel Lemire) · GitHubTwitter - web.archive.org @lemire

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@around @nikolaydubina @github

Achievements

Arctic Code Vault Contributor

Achievements

Arctic Code Vault Contributor

Highlights

  • Pro
  • 6 discussions answered

Organizations

@RoaringBitmap @FastFilter @simdjson @fastfloat @bits-and-blooms
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lemire/README.md

Pinned

  1. simdjson/simdjson Public

    Parsing gigabytes of JSON per second

    C++ 15.6k 834

  2. RoaringBitmap/RoaringBitmap Public

    A better compressed bitset in Java

    Java 2.6k 444

  3. RoaringBitmap/roaring Public

    Roaring bitmaps in Go (golang)

    Go 1.6k 170

  4. bits-and-blooms/bloom Public

    Go package implementing Bloom filters

    Go 1.6k 198

  5. fastfloat/fast_float Public

    Fast and exact implementation of the C++ from_chars functions for float and double types: 4x faster than strtod

    C++ 837 67

  6. simdutf/simdutf Public

    Unicode routines (UTF8, UTF16): billions of characters per second.

    C++ 150 17

1,593 contributions in the last year

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Contribution activity

May 2022

Created 54 commits in 13 repositories

Created a pull request in RoaringBitmap/roaring that received 11 comments

Introducing stack-based iterators.

In issue #94, we raised the concern that when iterating through a bitmap, the iterator might allocate memory. This was solved by @Oppen. User @anac…

+141 −14 • 11 comments
Opened 15 other pull requests in 5 repositories
simdjson/simdjson 1 open 6 merged
simdutf/simdutf 4 merged
RoaringBitmap/RoaringBitmap 2 merged
lemire/fast_double_parser 1 merged
FastFilter/xorfilter 1 merged
Reviewed 6 pull requests in 5 repositories
simdutf/simdutf 2 pull requests
RoaringBitmap/SwiftRoaring 1 pull request
RoaringBitmap/RoaringBitmap 1 pull request
RoaringBitmap/CRoaring 1 pull request
simdjson/simdjson 1 pull request

Created an issue in simdjson/simdjson that received 2 comments

Improve the AVX-512 kernel with the compress instructions.

Given that @mellonyou has produced a cascade-lake kernel (#1811), it is opening the door to further optimizations. Instead of relying on repeatedly…

2 comments
Opened 8 other issues in 2 repositories
5 contributions in private repositories May 9 – May 25

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