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Algebraic block red-black ordering method for parallelized ICCG solver with fast convergence and low communication costs

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2 Author(s)
Iwashita, T. ; Acad. Center for Comput. & Media Studies, Kyoto Univ., Japan ; Shimasaki, M.

Proposes a new parallelized incomplete Cholesky conjugate gradient (ICCG) solver effective on a small-scale multiprocessor system. The new method is based on a new reordering technique, namely the block red-black ordering method. Its parallel performance is evaluated in a finite edge-element eddy-current analysis. A numerical test shows that the proposed method is effective on a small number of processors due to fast convergence and low communication costs.

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Magnetics, IEEE Transactions on  (Volume:39 ,  Issue: 3 )