Proceedings of the 46th Annual Design Automation Conference 2009
DOI: 10.1145/1629911.1629961
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GPU friendly fast Poisson solver for structured power grid network analysis

Abstract: In this paper, we propose a novel simulation algorithm for large scale structured power grid networks. The new method formulates the traditional linear system as a special two-dimension Poisson equation and solves it using an analytical expressions based on FFT technique. The computation complexity of the new algorithm is O(NlgN), which is much smaller than the traditional solver's complexity O(N 1.5 ) for sparse matrices, such as the SuperLU solver and the PCG solver. Also, due to the special formulation, gra… Show more

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Cited by 39 publications
(20 citation statements)
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“…Also note that the B i,i formulation in the above equation is different from the well known ones in [9][10]; this is due to the fact that we now have Neumann conditions on the x=0 and x=a surfaces, as opposed to Dirichlet conditions in [9] [10]. It can be verified that the eigenvalues and eigenvectors of G are: …”
Section: D Fpsmentioning
confidence: 96%
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“…Also note that the B i,i formulation in the above equation is different from the well known ones in [9][10]; this is due to the fact that we now have Neumann conditions on the x=0 and x=a surfaces, as opposed to Dirichlet conditions in [9] [10]. It can be verified that the eigenvalues and eigenvectors of G are: …”
Section: D Fpsmentioning
confidence: 96%
“…Let us use the same formation Ax=b as (2)(3), and the same x and y discretization as in (10). Let the z coordinates of cell centers be z 0 , z 1 , …, z Dz-1 .…”
Section: A Fps Formulationsmentioning
confidence: 99%
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“…And from equations (6,12,14,15) we would get MQT equals to M, as equation (16) To get better efficiency, in the ideal case, suppose the target division length d should meet the equation (17).…”
Section: ) the Target Division Length Dmentioning
confidence: 99%
“…Now there are some iterative methods proposed [11][12][13][14], which need less memory, solve large and complicated linear equations more efficiently. However, there are some deficiencies of them.…”
Section: Introductionmentioning
confidence: 99%