[jira] [Created] (ARROW-7748) [C++] [Cuda] Cache CUDA contexts

[Antoine Pitrou (Jira)]

Antoine Pitrou created ARROW-7748:
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             Summary: [C++] [Cuda] Cache CUDA contexts
                 Key: ARROW-7748
                 URL: https://issues.apache.org/jira/browse/ARROW-7748
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++, GPU
            Reporter: Antoine Pitrou


CUDA contexts can be expensive to instantiate, maybe we should cache them 
(probably only the primary contexts).



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