On Tue, Aug 30, 2011 at 5:28 PM, Hal Finkel hfinkel@anl.gov wrote:
Could I also decrease the block size? I currently have CarpetRegrid2::adaptive_block_size = 4, could it be smaller than that? Is there a restriction based on the number of ghost points?
Yes, you can reduce the block size. I assume that both the regridding operation and the time evolution will become slower if you do that, because more blocks will have to be handled. This will also require more memory, since each block carries its own ghost zone overhead.
No, there is no such restriction.
-erik