kokkos/mdspan

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Reference implementation of mdspan targeting C++23

Stars: 507
Forks: 87
Open beginner issues: 3
Indexed issues: 66
Avg merge: 15h 27m
Merged PRs (30d): 2

Dominant language: C++
License: No license data
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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66 open issues indexed

Including <complex> cause ICE on nvcc 13.3 with aarch64 Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

kokkos/mdspan#470 · Opened Sep 17, 2026
Become CPS compatible Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

kokkos/mdspan#466 · Opened Aug 26, 2026
submdspan overloads using std::pair are marked as device-usable Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

kokkos/mdspan#461 · Opened Jul 9, 2026
Audit C++26 - merged features and move them out of Experimental Open

kokkos/mdspan#460 · 1 assignee · Opened Jul 9, 2026
MSVC defines __cplusplus badly Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

kokkos/mdspan#455 · Opened Apr 22, 2026
Dangerous implicit conversion from `layout_right_padded` to `layout_right` Open

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

kokkos/mdspan#454 · 6 comments · Opened Apr 1, 2026
Rename submdspan_extents to subextents, and submdspan_canonicalize_slices to canonical_slices Open

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

kokkos/mdspan#453 · Opened Mar 6, 2026
Comparison typo in index_sequence_scan_impl::get Open

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

kokkos/mdspan#452 · 3 comments · Opened Mar 2, 2026
LEWG 2026/02/10: PL-007, P3982R0 Open

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

kokkos/mdspan#448 · 1 comment · Opened Feb 3, 2026
Feature request: support aligned_accessor for C++20 code Open

kokkos/mdspan#412 · 2 comments · 1 assignee · Opened Jun 10, 2025
Layout mappings and submdspan must take index resp. slice types convertible to index_type Open

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

kokkos/mdspan#411 · Opened Jun 6, 2025
check preconditions in Extents constructors Open

kokkos/mdspan#409 · 1 reaction · 1 assignee · Opened May 21, 2025
Fix P3355 for submdspan Open

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

kokkos/mdspan#407 · Opened May 19, 2025
Implement P3029, better CTAD Open

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

kokkos/mdspan#406 · Opened May 19, 2025
reorganize folders and files Open

kokkos/mdspan#405 · 1 assignee · Opened May 12, 2025
mdspan cmake ignores `CMAKE_CXX_STANDARD` Open

kokkos/mdspan#401 · 2 comments · 1 assignee · Opened Apr 23, 2025
[feature-request] CTAD for `mdspan` from `mdarray` Open

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

kokkos/mdspan#398 · 2 comments · Opened Apr 14, 2025
Please provide contact/ support contacts? Open

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

kokkos/mdspan#375 · 5 comments · Opened Jan 5, 2025
Docs: Briefer Tutorial Open

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

kokkos/mdspan#371 · 2 comments · Opened Dec 9, 2024
Using mdspan as a contiguous_range for std::simd interaction? Open

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

kokkos/mdspan#365 · 1 comment · 1 reaction · Opened Nov 7, 2024
Implement operator== for mdarray Open

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

kokkos/mdspan#355 · 3 comments · Opened Aug 28, 2024
How to "flip" mdspan using submdspan (or any other utility)? Open

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

kokkos/mdspan#352 · 10 comments · Opened Jun 30, 2024
What targets are defined by find_package( mdspan )? Open

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

kokkos/mdspan#339 · 4 comments · Opened Jun 4, 2024
-Wshadow warnings Open

kokkos/mdspan#338 · 1 assignee · Opened Jun 3, 2024
Canonical way of handling read-only data in interfaces taking mdspans Open

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

kokkos/mdspan#331 · 15 comments · Opened May 16, 2024
C++14 requirement mismatch between README and source code Open

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

kokkos/mdspan#313 · 14 comments · Opened Feb 2, 2024
New release? Open

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

kokkos/mdspan#312 · 1 comment · 6 reactions · Opened Feb 1, 2024
Vectorization issue Intel compiler Open

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

kokkos/mdspan#308 · 5 comments · Opened Jan 8, 2024
Intel DPC++ and [[no_unique_address] Open

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

kokkos/mdspan#305 · 4 comments · Opened Jan 2, 2024
msvc 14 test_layout_stride compilation error Open

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

kokkos/mdspan#304 · Opened Dec 6, 2023
Release new version Open

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

kokkos/mdspan#299 · 1 comment · 1 reaction · Opened Nov 26, 2023
Clang-17 and MSVC on Windows fails to build (C++20) Open

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

kokkos/mdspan#298 · 1 comment · Opened Nov 23, 2023
make mdarray impl up to date with proposal Open

kokkos/mdspan#295 · 1 assignee · Opened Nov 10, 2023
compilation warning Open

kokkos/mdspan#293 · 3 comments · 1 assignee · Opened Nov 2, 2023
MSVC 19.x is not working Open

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

kokkos/mdspan#276 · 8 comments · Opened Jun 12, 2023
disallow C++14 Open

build system enhancement

kokkos/mdspan#272 · 1 comment · 1 assignee · Opened May 25, 2023
dextents not available in std::experimental namespace Open

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

kokkos/mdspan#269 · 2 comments · Opened May 22, 2023
Mapping comparison operators are not constrained properly Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

kokkos/mdspan#268 · Opened May 18, 2023
backport libc++ fixes Open

kokkos/mdspan#267 · 1 assignee · Opened May 16, 2023
Godbolt example broken Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

kokkos/mdspan#259 · 1 comment · Opened May 3, 2023
configurable namespaces Open

kokkos/mdspan#253 · 12 comments · 1 reaction · 1 assignee · Opened Apr 4, 2023
Add pitched allocation example Open

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

kokkos/mdspan#248 · Opened Mar 21, 2023
Implement to_mdspan Open

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

kokkos/mdspan#244 · 3 comments · Opened Mar 7, 2023
Feature request: pretty printer for GDB/LLDB and Natvis (native visualizer) for msvc/cdb Open

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

kokkos/mdspan#243 · 2 comments · Opened Feb 24, 2023
Update cppreference with mdspan Open

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

kokkos/mdspan#207 · 4 comments · 1 reaction · Opened Nov 7, 2022
Generic iteration function for n dimension mdspan Open

HowTo

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

kokkos/mdspan#202 · 23 comments · Opened Oct 25, 2022
Constraint on `layout_{left|right|stride}::stride` is not implemented Open

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

kokkos/mdspan#201 · 6 comments · Opened Oct 20, 2022
Add an iterator-to-mdspan example Open

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

kokkos/mdspan#199 · 1 reaction · Opened Oct 19, 2022
nvcc and use of `[[no_unique_address]]` Open

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

kokkos/mdspan#198 · 1 comment · Opened Oct 19, 2022
Comparison operator of `extents` may not work when `-Werror=sign-compare` is used Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

kokkos/mdspan#194 · 1 comment · Opened Oct 11, 2022

kokkos/mdspan

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