- Replaces logic relying on clock64() instead to
use an atomic counter that the last wg in grid
and multi-grid groups wait on while the the
non-last work groups increment the counter
to "done"
- Implements a new logic to verify the multi-grid
sync()
Change-Id: I7780d8124e5f144b124e5d191d0f412483a3b565
Sourabh Betigeri
aaec37314f