Can Faiss run in GPU-mode?

Plugins k-NN
1

Versions (relevant - OpenSearch/Dashboard/Server OS/Browser):
OpenSearch 2.5.0

Describe the issue:

as title, this opensearch document says:

The faiss engine performs exceptionally well (on orders of magnitude) with hardware that includes a GPU. When cost is not the first concern, this is the recommended engine.

but how to switch to gpu-mode in opensearch knn plugin?

Configuration:
N/A

Relevant Logs or Screenshots:
N/A

2

Are you hosting your own OpenSearch instance on servers that have GPUs?

3

Hi @tsaiian, that documentation is incorrect. At the moment, we do not support GPUs. Let me open up an issue to the docs team to address it. Sorry for inconvenience.

4

Added issue: [DOC] Error in k-NN docs saying we support GPU on faiss · Issue #2908 · opensearch-project/documentation-website · GitHub