Parallel conjugate gradient for poisson equations
I am working on implementation of conjugate gradient method specifically for sparse matrix, which arises after discretisation of Poisson equation. i implemented ILU0 preconditioner.
Now i am trying to parallelise the code using MPI command..
In current code needs to exchange information three times among various processor in each iteration of CG , which takes lots of time.
can anyone please suggest me some way to reduce number of data exchange per iterations.
i got it..
i did it... :)
if anyone need the source code for CG,PCG, parallel CG and parallel PCG for solving poisson equation . please mail me rah00002004[at]gmail.com .
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