[firedrake] operations on matrices

[Lawrence Mitchell]

On 5 Jan 2015, at 09:48, Colin Cotter <colin.cotter at imperial.ac.uk> wrote:

> Does it help if the matrices are columnwise-blocks? I could assemble the entire matrix in a "column kernel" and then perform surgery on it?

You can do whatever you like to the "element tensor" block before insertion.  However, there's no way of getting the element tensor /out/ of a CSR matrix to do surgery on it in a parallel loop.

Lawrence
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