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https://issues.apache.org/jira/browse/ARROW-4861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17191811#comment-17191811
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Antoine Pitrou commented on ARROW-4861:
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[~pearu] Do you still need this / want to work on this?
> [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
> Assignee: Pearu Peterson
> Priority: Major
> Labels: C++
> Fix For: 2.0.0
>
>
> 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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