[ARROW-2126] [Plasma] Hashing for GPU objects

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Component/s: C++ - Plasma, GPU
• Labels: cuda
• External issue URL: https://github.com/apache/arrow/issues/18096
• Assignee: Unassigned
• Reporter: Philipp Moritz
• Created: 10/Feb/18 22:33
• Updated: 11/Jan/23 07:19
• Resolved: 19/Feb/21 20:45

Description

We should have a CUDA function that computes a hash for objects, similar to the way it is done for CPU objects at the moment. Is there a fast hash/checksum function available for CUDA, similar to xxhash? Maybe this can be implemented as a arrow::compute kernel?