[Openmp-dev] CUDA 11 support

[Itaru Kitayama via Openmp-dev]

Johannes,
Thanks. As I've started developing my OpenMP offloading app on Arm
(ThunderX2 with V100) with
CUDA Toolkit 11, I just wanted to make sure if I can continue to use
my locally built Clang.

On Tue, Jun 9, 2020 at 1:50 AM Johannes Doerfert
<johannesdoerfert at gmail.com> wrote:
>
> Hi Itaru,
>
>
> the OpenMP side is not really picky about CUDA versions (too much).
>
> Clang support comes in two varieties, at least, and you should move this discussion to cfe-dev if you want a more detailed answer.
>
> Basic support is usually downwards compatible, you pipe only old CUDA features in, it should work fine.
>
> Proper support would include all the new CUDA features and semantic changes.
>
> The warning Clang issues basically says that only the former support is available.
>
>
> So to answer the question what is needed to support CUDA version X, implement all the new features that came with X.
>
> If you want to know where we are with 10.1 or 11, please ask on cfe-dev :)
>
>
> Cheers,
>
>   Johannes
>
>
> On 6/6/20 8:05 PM, Itaru Kitayama via Openmp-dev wrote:
>
> What's need to be done to support CUDA 11
> in both clang and openmp projects? Currently Clang supports up to 10.1,
> while 10.2 is available.
>
>
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