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A parallel    version of the ARPACK library is also available. The message passing  layers currently supported are BLACS and MPI.     Parallel ARPACK (P_ARPACK) is provided as an extension to the current ARPACK library. P_ARPACK has been installed on CRAY-T3D, Intel Delta and Paragon, Intel Paragon IBM-SP2, an SGI cluster and a network of Sun workstations. The package runs efficiently in each of these environments. More detailed information about Parallel ARPACK is available in the report [29] by Maschhoff and Sorensen.

Chao Yang