This project contains simple C++20 code samples and a bit of CMake code to test if they are supported by a given compiler.
| Compiler | Concept | Consteval | Modules | Kokkos current | Latest |
|---|---|---|---|---|---|
| GCC | 10.1.0 | 10.1.0 | 11.1.0 (with -fmodules-ts) |
8.2.0 | 15.1.0 |
| Clang | 10.0.<1 | 9.0.<1 | 9.0.<1 | 8.0.0 | 21 |
| AppleClang | 12.0.0? (partial) | 15.0.0? | 10.0.1? | 8.0 | |
| IntelLLVM | <2021.4 | <2021.4 | <2021.4 | 2021.1.1 (CPU), 2023.0.0 (GPU) | 2025.1.2 |
| NVCC | 12.0.0 | 12.0.0 | No | 11.0 | 12.9 |
| NVHPC | 20.11 | 20.7? | No | 22.3 | 25.3 |
| ROCM | <3.7 | <3.7 | <3.7 | 5.2.0 | 6.4 |
| MSVC | 19.30? | 19.29? | 19.28? | 19.29? | 19.42 |
| ARM/Clang | 20.1 |
Notes:
- "?" denotes the version was fetched from cppreference.com, but not tested experimentally;
- "<" denotes the version is the lowest tested, and is not guaranteed to be the actual version from which the feature started to be available.
| Compiler | Assume aligned | Comparison of integers | Modules | Source location | Span | Kokkos current | Latest |
|---|---|---|---|---|---|---|---|
| GCC | 9.1.0 (non constexpr), 11.1.0 |
10.1.0 | No | 11.1.0 | 10.1.0 | 8.2.0 | 15.1.0 |
| Clang | 15.0.<7 | 13.0.<1? | No | 16.0.<6 | 7.<1.0 | 8.0.0 | 21 |
| AppleClang | 14.0.3? | 13.1.6? | 15.0.0? | 10.0.0? | 8.0 | ||
| MSVC | 19.28? | 19.27? | 19.29? | 19.29? | 19.26 | 19.29 | 19.42 |
| ARM/Clang | 20.1 |
Notes:
- "?" denotes the version was fetched from cppreference.com, but not tested experimentally;
- "<" denotes the version is the lowest tested, and is not guaranteed to be the actual version from which the feature started to be available.