[ARROW-3653] [Python/C++] Support data copying between different GPU devices

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: C++, Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/15853
• Assignee: Pearu Peterson
• Reporter: Pearu Peterson
• Created: 30/Oct/18 10:24
• Updated: 11/Jan/23 07:28
• Resolved: 12/Feb/19 14:31

Description

Currently, the data copying is supported from host to device, from device to host, from device to the same device. For multiple GPU systems, copying data from one device to another is needed.

See also
https://github.com/apache/arrow/pull/2844#discussion_r228910757

Issue Links

• is part of: ARROW-1055 [C++] GPU support library development
• links to: GitHub Pull Request #3617