[petsc-dev] Implementing of a variable block size BILU preconditioner

[Ali Reza Khaz'ali]

Hi,

Ithink that the topic is more suited for PETSc-developers than its 
users; therefore, I move it to the dev list.

Continuing the discussion on implementing a variable-block size BILU 
preconditioner, would it be possible to change the block size parameter 
(bs) on BAIJ format such that it can handle variable block sizes? (i.e., 
instead of it being a scalar, it can be an array). Although BILU does 
not necessarily require rectangular blocks, I think, it leads to less 
messy code.

Also, being a newbie on PETSc code, I do not understand some parts of 
the code, especially distributed matrix storage and some of the 
implemented numerical algorithms. Is there any reference that I can use 
for this?

-- 
Ali Reza Khaz’ali
Assistant Professor of Petroleum Engineering,
Department of Chemical Engineering
Isfahan University of Technology
Isfahan, Iran

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