cuPy's sparse matrix support is still more limited than its dense functionality, but it's expanding quickly in version 8.0 in particular: https://docs.cupy.dev/

cuPy's sparse matrix support is still more limited than its dense functionality, but it's expanding quickly in version 8.0 in particular: https://docs.cupy.dev/en/stable/reference/sparse.html https://docs.cupy.dev/en/stable/reference/sparse.html The C++/CUDA backend to cuGraph contains many low-level graph operations on really sparse graph structures as well: https://github.com/rapidsai/cugraph https://github.com/rapidsai/cugraph