Hi Tobias!
On 24.10.22 21:11, Thomas Schwinge wrote:
On 2022-10-24T21:05:46+0200, I wrote:
On 2022-10-24T16:07:25+0200, Jakub Jelinek via Gcc-patches
wrote:
On Wed, Oct 12, 2022 at 10:55:26AM +0200, Tobias Burnus wrote:
libgomp/nvptx: Prepare for reverse-offload callback handling
Well.
Hi Tobias!
On 2022-10-24T21:05:46+0200, I wrote:
> On 2022-10-24T16:07:25+0200, Jakub Jelinek via Gcc-patches
> wrote:
>> On Wed, Oct 12, 2022 at 10:55:26AM +0200, Tobias Burnus wrote:
>>> libgomp/nvptx: Prepare for reverse-offload callback handling
>
>> Ok, thanks.
>
> Per commit r13-3460-g131d
Hi Tobias!
On 2022-10-24T16:07:25+0200, Jakub Jelinek via Gcc-patches
wrote:
> On Wed, Oct 12, 2022 at 10:55:26AM +0200, Tobias Burnus wrote:
>> libgomp/nvptx: Prepare for reverse-offload callback handling
> Ok, thanks.
Per commit r13-3460-g131d18e928a3ea1ab2d3bf61aa92d68a8a254609
"libgomp/nvp
On Wed, Oct 12, 2022 at 10:55:26AM +0200, Tobias Burnus wrote:
> libgomp/nvptx: Prepare for reverse-offload callback handling
>
> This patch adds a stub 'gomp_target_rev' in the host's target.c, which will
> later handle the reverse offload.
> For nvptx, it adds support for forwarding the offload
On Wed, 12 Oct 2022, Tobias Burnus wrote:
> On 11.10.22 13:12, Alexander Monakov wrote:
> > My understanding is such trickery should not be necessary with
> > the barrier-based approach, i.e. the sequence of PTX instructions
> >
> >st % plain store
> >membar.sys
> >st.volatile
> >
>
On 12.10.22 10:55, Tobias Burnus wrote:
On 11.10.22 13:12, Alexander Monakov wrote:
My understanding is such trickery should not be necessary with
the barrier-based approach, i.e. the sequence of PTX instructions
st % plain store
membar.sys
st.volatile
should be enough to guarante
On 11.10.22 13:12, Alexander Monakov wrote:
My understanding is such trickery should not be necessary with
the barrier-based approach, i.e. the sequence of PTX instructions
st % plain store
membar.sys
st.volatile
should be enough to guarantee that the former store is visible on the h
On Tue, 11 Oct 2022, Jakub Jelinek wrote:
> So, does this mean one has to have gcc configured --with-arch=sm_70
> or later to make reverse offloading work (and then on the other
> side no support for older PTX arches at all)?
> If yes, I was kind of hoping we could arrange for it to be more
> user
On Fri, Oct 07, 2022 at 04:26:58PM +0200, Tobias Burnus wrote:
> libgomp/nvptx: Prepare for reverse-offload callback handling
>
> This patch adds a stub 'gomp_target_rev' in the host's target.c, which will
> later handle the reverse offload.
> For nvptx, it adds support for forwarding the offload
