[petsc-dev] [petsc-maint] running CUDA on SUMMIT

Mark Adams mfadams at lbl.gov
Wed Jul 10 20:57:39 CDT 2019

> 3) Is comparison between pointers appropriate? For example if (dptr !=
> zarray) { is scary if some arrays are zero length how do we know what the
> pointer value will be?
Yes, you need to consider these cases, which is kind of error prone.

Also, I think merging transpose,and not,is a good idea because the way the
code is setup it is easy. You just grab a different cached object and keep
your rmaps and cmaps straight,I think.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20190710/662655b6/attachment.html>

More information about the petsc-dev mailing list