On 29 Jun 2020 22:03, "Brown, Julian" wrote:
On Mon, 29 Jun 2020 21:32:41 +0100
Andrew Stubbs wrote:
> In particular, it seems logical that any barrier should be a memory
> barrier, so inserting it in the barrier pattern is not a big deal.
> IIRC, only OpenACC is using that anyway (OpenMP has exp
On Mon, 29 Jun 2020 21:32:41 +0100
Andrew Stubbs wrote:
> On 29/06/2020 21:16, Julian Brown wrote:
> > Data-share write (ds_write) instructions do not necessarily complete
> > the write to LDS immediately. When a write completes, LGKM_CNT is
> > decremented. For now, we wait until LGKM_CNT reache
On 29/06/2020 21:16, Julian Brown wrote:
Data-share write (ds_write) instructions do not necessarily complete
the write to LDS immediately. When a write completes, LGKM_CNT is
decremented. For now, we wait until LGKM_CNT reaches zero after each
ds_write instruction.
This fixes a race condition i
Data-share write (ds_write) instructions do not necessarily complete
the write to LDS immediately. When a write completes, LGKM_CNT is
decremented. For now, we wait until LGKM_CNT reaches zero after each
ds_write instruction.
This fixes a race condition in the case where LDS is read immediately
af
