The Numerical Algorithms Group (NAG) Ltd is currently participating in the European HPCN Fourth Framework project on Parallel Industrial NumErical Applications and Portable Libraries (PINEAPL). One of the main goals of the project is to increase the suitability of the existing NAG Parallel Library for dealing with computationally intensive industrial applications by appropriately extending the range of library routines. Additionally, several industrial applications are being ported onto parallel computers within the PINEAPL project by replacing sequential code sections with calls to appropriate parallel library routines. A substantial part of the library material being developed is concerned with the solution of partial differential equations problems using parallel sparse linear algebra modules. This talk provides a number of performance results which demonstrate the efficiency and scalability of core computational routines – in particular, the iterative solver, the preconditioner and the matrix-vector multiplication routines. Most of the software described in this talk has been incorporated into the recently launched Release 1 of the PINEAPL Library

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