9 Dec
2011
9 Dec
'11
2:24 p.m.
I still don't think that's possible. Please explain how you expect to change the semantics of the streaming mapping API to allow multiple mappers without having explicit serialization points that are visible to all users. For simplicity, let's assume a cache coherent system
I would agree. It's not just about barriers but in many cases where you have multiple mappings by hardware devices the actual hardware interface is specific to the devices. Just take a look at the fencing in TTM and the graphics drivers.
Its not something the low level API can deal with, it requires high level knowledge.
Alan