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intel/xvec

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Extensible Vectorization Library (xvec)

Is intel/xvec beginner-friendly?

In the last 30 days, intel/xvec merged 15 of 16 pull requests from outside contributors, and its maintainers usually reply within 1 day. 1 beginner-friendly issue is open now.

Stars
6
Forks
2
Open beginner issues
1
Indexed issues
25
Avg merge
2d 47m
Merged PRs (30d)
18
Dominant language
C++
License
Apache-2.0
Last GitHub push
Oct 21, 2026
Latest indexed
Sep 30, 2026
Contributing guide
Code of conduct
Beginner labels
No beginner labels indexed

How to contribute to intel/xvec

  1. Read the contributing guide first: it says how the maintainers want changes proposed, tested and reviewed.
  2. Read its code of conduct: it covers issues and pull requests as well as chat.
  3. Your contributions will be published under the project's Apache-2.0 license.
  4. Pick the open beginner-friendly issue below and comment that you want to work on it before you start.
Beginner friendly Everything
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Issues somebody may already be working on are listed last. List everything by date

  • gcc lax-vector warning with broadcast permute
    Open
    • Is something wrong?

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    intel/xvec#55 ·

    Maintainers usually reply within 1 day

  • Implement an inner_product for a vector
    Open
    • Is something wrong?

    Difficulty 5/5 Over a week Newbie friendliness 40/100

    intel/xvec#54 ·

    Maintainers usually reply within 1 day

  • Make third `select` parameter optional, with default to value-initialised.
    Open
    • Is something wrong?
    enhancement

    Difficulty 2/5 1-3 hours Newbie friendliness 72/100

    intel/xvec#47 ·

    Maintainers usually reply within 1 day

  • Add to_signed/to_unsigned (P3643)
    Open
    • Is something wrong?
    C++29 extension

    Difficulty 3/5 1-2 days Newbie friendliness 52/100

    intel/xvec#45 ·

    Maintainers usually reply within 1 day

  • Provide simd-generic-like overloads for other common C++ std functions, traits, etc.
    Open
    • Is something wrong?
    C++29 extension

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    intel/xvec#32 · 1 comment ·

    Maintainers usually reply within 1 day

  • Enable Windows builds and verification
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    intel/xvec#26 ·

    Maintainers usually reply within 1 day

  • Allow some of the named permutes to be dynamic
    Open
    • Is something wrong?
    C++29 extension enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    intel/xvec#25 ·

    Maintainers usually reply within 1 day

  • Add integer overloads for some common maths functions
    Open
    • Is something wrong?
    C++29 extension enhancement performance

    Difficulty 3/5 1-2 days Newbie friendliness 45/100

    intel/xvec#24 ·

    Maintainers usually reply within 1 day

  • Investigate faster gathers for special cases
    Open
    • Is something wrong?
    enhancement performance

    Difficulty 4/5 3-5 days Newbie friendliness 48/100

    intel/xvec#23 ·

    Maintainers usually reply within 1 day

  • 128-bit gather/scatter is not as efficient as it could be
    Open
    • Is something wrong?
    enhancement performance

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    intel/xvec#22 ·

    Maintainers usually reply within 1 day

  • Provide a freestanding mode
    Open
    • Is something wrong?
    C++29 extension enhancement

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    intel/xvec#21 ·

    Maintainers usually reply within 1 day

  • Provide xvec wrappers to common x86 intrinsics
    Open
    • Is something wrong?
    enhancement x86

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    intel/xvec#20 ·

    Maintainers usually reply within 1 day

  • Add scalar overloads for maths functions
    Open
    • Is something wrong?
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 58/100

    intel/xvec#19 ·

    Maintainers usually reply within 1 day

  • Add new bit functions from P3772
    Open
    • Is something wrong?
    enhancement

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    intel/xvec#18 ·

    Maintainers usually reply within 1 day

  • Add `shl` and `shr`
    Open
    • Is something wrong?
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 48/100

    intel/xvec#17 ·

    Maintainers usually reply within 1 day

  • Add simd_mask ctors/accessor for BitInt
    Open
    • Is something wrong?
    C++29 extension enhancement

    Difficulty 5/5 Over a week Newbie friendliness 25/100

    intel/xvec#16 ·

    Maintainers usually reply within 1 day

  • Add version macros (__cpp_lib_simd etc)
    Open
    • Is something wrong?
    enhancement

    Difficulty 3/5 1-2 days Newbie friendliness 35/100

    intel/xvec#15 ·

    Maintainers usually reply within 1 day

  • Implement optimised versions of transpose/zip/unzip/etc.
    Open
    • Is something wrong?
    enhancement performance

    Difficulty 5/5 Over a week Newbie friendliness 35/100

    intel/xvec#14 ·

    Maintainers usually reply within 1 day

  • Modify mask operators to remove explicit mask where it isn't needed
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 50/100

    intel/xvec#13 ·

    Maintainers usually reply within 1 day

  • Use concepts to implement most functions more concisely
    Open
    • Is something wrong?
    enhancement

    Difficulty 5/5 Over a week Newbie friendliness 30/100

    intel/xvec#12 ·

    Maintainers usually reply within 1 day

  • simd_mask<complex<double>>::operator+/-/~ return a disabled simd specialization
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 35/100

    intel/xvec#11 ·

    Maintainers usually reply within 1 day

  • Make popcount generic once permute works properly
    Open
    • Is something wrong?
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 45/100

    intel/xvec#10 ·

    Maintainers usually reply within 1 day

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