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CUDA (Compute Unified Device Architecture) is an interface to program Nvidia GPUs. It offers support to the languages such as C, C++, and Fortran.

To build and execute code on the GPU A100 partition, please login to

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For code generation we recommend the software package NVIDIA hpcx which is a combination of compiler and powerful libraries, like e.g. CUDA, blascublas, and MPI.

bgnlogin1 $ module load nvhpc-hpcx/23.1
bgnlogin1 $ module list
Currently Loaded Modulefiles: ... 4) hpcx   5) nvhpc-hpcx/23.1
bgnlogin1 $ nvc -cuda -gpu=cc8.0 cuda.c -o cuda.bin
bgnlogin1 $ nvc -cuda -gpu=cc8.0 -cudalib=cublas cuda_cublas.c -o cuda_cublas.bin

CUDA

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can be used in combination with MPI.

bgnlogin1 $ module load nvhpc-hpcx/23.1
bgnlogin1 $ mpicc -cuda -gpu=cc8.0 -cudalib=cublas mpi_cuda_cublas.c -o mpi_cuda_cublas.bin

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