| eec7e3fa | 06-Dec-2010 |
Dmitry Karpeev <karpeev@mcs.anl.gov> |
rank-straddling GASM is trickier than I had thought. ex8g seems to work now. There is an inherent serialization of subdomain solves imposed by the current PCGASMCreateSubdomains2D algorithm. Subdoma
rank-straddling GASM is trickier than I had thought. ex8g seems to work now. There is an inherent serialization of subdomain solves imposed by the current PCGASMCreateSubdomains2D algorithm. Subdomains should be globally reordered, to remove serialization. This can be done, but I haven't done it yet. In general, the burden is on the user to provide a good subdomain ordering.
Hg-commit: 51d041259f83c4fcb9b36890def11afa295ad5ca
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