alt Hacker NewsWell, yes, but "desynced" warps don't use shared memory - because writes to it require some synchronization for other warps to be able to read the information.
Well, yes, but "desynced" warps don't use shared memory - because writes to it require some synchronization for other warps to be able to read the information.
Why would that be true? Certainly there are algorithms (or portions of them) in which warps can just read whichever values exist in shared mem at the time, no need to sync. And I think we were mostly talking about global memory?