On Tue, 26 Apr 2022 13:12:23 +0200
Thomas Schwinge wrote:
> > @@ -5240,14 +5286,14 @@ gcn_print_lds_decl (FILE *f, tree var)
> >if (size > align && size > 4 && align < 8)
> > align = 8;
> >
> > - machfun->lds_allocated = ((machfun->lds_allocated + align -
> > 1)
> > -
Hi!
On 2020-06-29T13:16:52-0700, Julian Brown wrote:
> This patch implements an algorithm to lay out local data-share (LDS) space.
> It currently works for AMD GCN. At the moment, LDS is used for three things:
>
> 1. Gang-private variables
> 2. Reduction temporaries (accumulators)
> 3.
Hi!
On 2021-09-20T13:46:03+0100, Julian Brown wrote:
> On Fri, 17 Sep 2021 16:26:50 +0200
> Thomas Schwinge wrote:
>
>> > @@ -1449,8 +1634,120 @@ oacc_do_neutering (void)
>>
>> > + addr_range ar
>> > + = first_fit_range (conflicts, size, align, _shm_bounds);
>> > +
>> > +
On Fri, 17 Sep 2021 16:26:50 +0200
Thomas Schwinge wrote:
> > @@ -1449,8 +1634,120 @@ oacc_do_neutering (void)
>
> > + addr_range ar
> > + = first_fit_range (conflicts, size, align,
> > _shm_bounds); +
> > + splay_tree_delete (conflicts);
> > +
> > + if (ar.invalid ())
> >
Hi!
On 2020-06-29T13:16:52-0700, Julian Brown wrote:
> This patch implements an algorithm to lay out local data-share (LDS) space.
> It currently works for AMD GCN. [...]
Thanks. (... but I have not verified the algorithmic/behavioral changes
in detail.)
I've merged in PR96334 "openacc:
Hi!
On 2020-06-29T13:16:52-0700, Julian Brown wrote:
> --- /dev/null
> +++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/broadcast-many.c
That one already/currently works without any code changes.
> @@ -0,0 +1,79 @@
> +/* { dg-additional-options "-foffload=-mgang-local-size=64" } */
... just
Hi Julian!
Three quick questions here:
On 2020-06-29T13:16:52-0700, Julian Brown wrote:
> This patch implements an algorithm to lay out local data-share (LDS) space.
> It currently works for AMD GCN. [...]
Thanks!
> @@ -1449,8 +1634,120 @@ oacc_do_neutering (void)
> + addr_range ar
This patch implements an algorithm to lay out local data-share (LDS) space. It
currently works for AMD GCN. At the moment, LDS is used for three things:
1. Gang-private variables
2. Reduction temporaries (accumulators)
3. Broadcasting for worker partitioning
After the patch is applied,
