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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/09/07 19:49:00 UTC
[jira] [Closed] (ARROW-4861) [C++] Introduce MemoryManager::Memset
method.
[ https://issues.apache.org/jira/browse/ARROW-4861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antoine Pitrou closed ARROW-4861.
---------------------------------
Fix Version/s: (was: 2.0.0)
Assignee: (was: Pearu Peterson)
Resolution: Later
> [C++] Introduce MemoryManager::Memset method.
> ---------------------------------------------
>
> Key: ARROW-4861
> URL: https://issues.apache.org/jira/browse/ARROW-4861
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Pearu Peterson
> Priority: Major
> Labels: C++
>
> Exposing such a method could be useful to initialize a buffer without going through a CPU-to-device memory copy.
> For example CUDA expose several memset-like APIs to initialize GPU memory with different initializer widths:
> https://docs.nvidia.com/cuda/cuda-driver-api/group__CUDA__MEM.html#group__CUDA__MEM_1g6e582bf866e9e2fb014297bfaf354d7b
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