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 cluster, please login to
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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 -o cuda.bin cuda.c
bgnlogin1 $ nvc -cuda -gpu=cc8.0 -cudalib=cublas -o cuda_cublas.bin cuda_cublas.c |
- CUDA offers a blas library for the GPU
- and it can be used in combination with MPI.
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bgnlogin1 $ module load nvhpc-hpcx/23.1
bgnlogin1 $ nvc -cuda -gpu=cc8.0 -cudalib=cublas -o cuda_cublas.bin cuda_cublas.c
bgnlogin1 $ mpicc -cuda -gpu=cc8.0 -cudalib=cublas -o mpi_cuda_cublas.bin mpi_cuda_cublas.c |
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