> On 26. May 2021, at 12:05, Ole Holm Nielsen <[email protected]> 
> wrote:
> 
> I'm trying to build TensorFlow-2.4.1-fosscuda-2020b.eb on a GPU-equipped node 
> using the latest EB 4.3.4, and I get this warning:
> 
> (lines deleted)
>> == installing extension TensorFlow 2.4.1 (28/28)...
>> ==   configuring...
>> WARNING: No CUDA compute capabilities specified, so using TensorFlow default 
>> (which may not be optimal for your system).
>> You should use the --cuda-compute-capabilities configuration option or the 
>> cuda_compute_capabilities easyconfig parameter to specify a list of CUDA 
>> compute capabilities to compile with.
> 
> 
> So I'm trying to find out the meaning and use of 
> "--cuda-compute-capabilities", and the documentation at 
> https://docs.easybuild.io/en/latest/version-specific/help.html says:
> 
>> --cuda-compute-capabilities=CUDA-COMPUTE-CAPABILITIES        List of CUDA 
>> compute capabilities to use when building GPU software; values should be 
>> specified as digits separated by a dot, for example: 3.5,5.0,7.2 (type 
>> comma-separated list)
> 
> This makes me none the wiser!  Can anyone tell me what these numeric values 
> are supposed to mean, and how I pick the right values for the GPUs in my 
> nodes?

Hi Ole!

Those numbers are related to which kind of gpu you have.

There’s a good table here: https://en.wikipedia.org/wiki/CUDA

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