Re: [deal.II] Re: about deal.II with CUDA C programming acceleration

[Denis Davydov]

Sent from iPhone, please excuse my brevity.
> 18 сент. 2017 г., в 15:31, Bruno Turcksin <bruno.turck...@gmail.com> 
> написал(а):
> 
> 
> 2017-09-17 1:22 GMT-04:00 Denis Davydov <davyd...@gmail.com>:
>> 
>> I though you could also get binaries (nvcc) and the rest by compiling CUDA, 
>> i.e. 
>> https://developer.nvidia.com/compute/cuda/8.0/Prod2/local_installers/cuda_8.0.61_375.26_linux-run
>>  
>> but of course one can also set it as an externally provided package.
>> 
> Sure, you can but the big advantage of using a package is when you update 
> your drivers or your kernel, you need to everything to always be 
> synchronized. When you use their package, they take care of that.
> 
> Bruno

So it looks like all u need is:

1. Tell Spack where to find CUDA (externally provided)

packages:
  cuda:
    version: [8.0]
    paths:
      cuda@8.0: /cuda_prefix/
    buildable: False

2. Add to dealii a variant(cuda,...) and

depends_on(cuda@8:, when='+cuda')

Regards,
Denis

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