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ARROW-3653: [C++][Python] Support data copying between different GPU devices#3617

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pearu wants to merge 2 commits intoapache:masterfrom
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ARROW-3653: [C++][Python] Support data copying between different GPU devices#3617
pearu wants to merge 2 commits intoapache:masterfrom
Quansight:arrow-3653

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@pearu pearu commented Feb 11, 2019

This PR introduces new C++ methods
CudaContext::CopyDeviceToAnotherDevice
CudaBuffer::CopyFromAnotherDevice
that are used to implement the Python support for copying CUDA buffer data between different devices.

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pearu commented Feb 11, 2019

@pitrou @wesm please review.

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LGTM. Just two nits.

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@xhochy xhochy left a comment

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+1, LGTM

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3 participants