OpenMP on ThetaGPU
OpenMP threading on CPU
All the compilers available on ThetaGPU supports OpenMP threading.
OpenMP offload on A100 GPU
A few compilers which support OpenMP offload are accessible on ThetaGPU. They are made available via modules.
$ module avail llvm --------- /lus/theta-fs0/software/environment/thetagpu/lmod/modulefiles ---------- llvm/main-20210112 llvm/release-12.0.0 (D) $ module avail nvhpc --------- /lus/theta-fs0/software/environment/thetagpu/lmod/modulefiles ---------- nvhpc-byo-compiler/20.9 (D) nvhpc-nompi/20.9 (D) nvhpc/20.9 (D) nvhpc-byo-compiler/21.2 nvhpc-nompi/21.2 nvhpc/21.2 nvhpc-byo-compiler/21.3 nvhpc-nompi/21.3 nvhpc/21.3
LLVM Clang for C/C++
If there is an issue with the compiler, feel free to contact firstname.lastname@example.org
clang-12 warning: Unknown CUDA version. version.txt: 11.0.205. Assuming the latest supported version 10.1 [-Wunknown-cuda-version]
Means CUDA 11 language features are not supported. As long as these features are not used, the full CUDA 11.x toolchain works. This warning can be ignored or suppressed by -Wno-unknown-cuda-version compiler option.
NVIDIA HPC SDK for C/C++/Fortran
For compiler bugs, please file bug reports at https://developer.nvidia.com after login