numpy/x86-simd-sort

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C++ template library for high performance SIMD based sorting algorithms

Stars: 1k
Forks: 74
Open beginner issues: 0
Indexed issues: 19

Dominant language: C++
License: BSD-3-Clause
Last GitHub push: Jun 25, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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19 open issues indexed

argsort: the `is_sorted` early exit calls its comparator through a function pointer when `descending` is a runtime value Open

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

numpy/x86-simd-sort#240 · Opened Sep 19, 2026
check_cpu_feature_support makes repeated/unnecessary calls to std::getenv("XSS_DISABLE_AVX512") Open

Difficulty 1/5 Under an hour Newbie friendliness 84/100

numpy/x86-simd-sort#239 · 1 comment · Opened Aug 24, 2026
Build warnings with MSVC Open

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

numpy/x86-simd-sort#221 · 2 comments · Opened Sep 16, 2025
Error when building in codespaces Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

numpy/x86-simd-sort#210 · 13 comments · Opened Aug 26, 2025
x86simdsort::object_qsort for int16_t Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

numpy/x86-simd-sort#189 · 8 comments · Opened Mar 19, 2025
CPU not support FP16 but still try compile Open

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

numpy/x86-simd-sort#176 · 1 comment · 1 reaction · Opened Dec 21, 2024
Radix sorting (no qsort) for floating point numbers Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

numpy/x86-simd-sort#171 · 3 comments · 2 reactions · Opened Nov 5, 2024
Benchmarker: Add a CLI param to set N Open

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

numpy/x86-simd-sort#162 · 1 comment · Opened Aug 22, 2024
Request to Expose partition_unrolled Function for Public Use Open

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

numpy/x86-simd-sort#160 · 4 comments · 1 reaction · Opened Aug 7, 2024
gcc12.2 can not meson Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

numpy/x86-simd-sort#158 · 1 comment · Opened Jul 25, 2024
Compilation falure on vpcompressw Open

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

numpy/x86-simd-sort#117 · 1 comment · Opened Dec 28, 2023
Argsort on int32_t severely underperforms Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

numpy/x86-simd-sort#109 · 28 comments · Opened Dec 3, 2023
Merge sort and AVX512 Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

numpy/x86-simd-sort#101 · 3 comments · 1 reaction · Opened Nov 5, 2023
Need Argsort For 32Bit Index For 32Bit Types Open

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

numpy/x86-simd-sort#97 · 2 comments · 1 reaction · Opened Oct 27, 2023
CI: add windows build on MSVC Open

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

numpy/x86-simd-sort#77 · Opened Sep 15, 2023
Improve argsort for 32-bit Open

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

numpy/x86-simd-sort#42 · Opened May 22, 2023
Can I use this lib to output the original index of these sorted data Open

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

numpy/x86-simd-sort#8 · 6 comments · Opened Feb 24, 2023
performance on amd 7950x ... Open

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

numpy/x86-simd-sort#6 · 11 comments · Opened Feb 16, 2023
Improve vector FP16 comparison function Open

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

numpy/x86-simd-sort#5 · Opened Feb 15, 2023

numpy/x86-simd-sort

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