On Fri, Dec 23, 2011 at 12:27, Mark F. Adams <mark.adams at columbia.edu>wrote:
> A more interesting thing is partition down to the thread level and keep > about 100 vertices per thread (this might be to big for a GPU...) It's fine to have more partitions than threads. > and then use locks of some sort for the shared memory synchronization It can be lock-free, your thread just waits until a buffer has been marked as updated. Since the reader/writer relationships are predefined, it's not actually a lock. (You can do more general methods lock-free too.) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20111223/6620fb5b/attachment.html>
