[wwwdocs] gcc-12/changes.html (GCN): >1 workers per gang

[Andrew Stubbs]

On 02/02/2022 15:39, Tobias Burnus wrote:
> On 09.08.21 15:55, Tobias Burnus wrote:
>> Now that the GCN/OpenACC patches for this have been committed today,
>> I think it makes sense to add it to the documentation.
>> (I was told that some follow-up items are still pending, but as
>> the feature does work ...)
> 
> I think the follow-up patches have now been committed.
> How about the attached patch?

We should probably add a qualification "(up to a limit of 40 wavefronts 
in total, per CU)" or else were suggesting that there can be 40 
workgroups of 16 wavefronts, which the hardware will not do.

Andrew