On Sun, 6 Dec 2015, li....@siat.ac.cn wrote:
When was this "field-within-group by field-within-group" performed?
Since I am using libmesh-0.9.3 which was downloaded in 2013, I am
not sure whether this new ordering has been updated.
Looks like the new ordering first went in to 0.9.0; 0.9.3 should use
it too.
On the other hand, another important question to me is:
As I have multi-variable at hand: u_x, u_y, u_z.
I want to use a block type matrix to store these vars, such as the "baij" type
in PETSc. But -mat_type baij does not work.
I found something like "LIBMESH_ENABLE_BLOCKED_STORAGE".
How can I use the block type matrix?
Looks like you need --enable-blocked-storage at configure time, and
you also need to be using only a single variable group in your system:
i.e. even if u_x/u_y/u_z are all the same type, p/T/c/whatever need to
be that type too, no exceptions.
---
Roy
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