assign_index should default to null #3855
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Summary: Laser clients are calling RCQ search with a query size of 1 and the bulk of the overhead came from IndexFlat add/search. With a small query size, using IndexFlatL2 does lots of unnecessary copies to the IndexFlatL2. By default, we should fall back to https://fburl.com/code/jpt236mz branch unless the client overrides `assign_index` with `assign_index_factory`. Differential Revision: D62644305
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This pull request was exported from Phabricator. Differential Revision: D62644305 |
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This pull request has been merged in dbdd63b. |
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Summary:
Laser clients are calling RCQ search with a query size of 1 and the bulk of the overhead came from IndexFlat add/search. With a small query size, using IndexFlatL2 does lots of unnecessary copies to the IndexFlatL2.
By default, we should fall back to https://fburl.com/code/jpt236mz branch unless the client overrides
assign_indexwithassign_index_factory.Differential Revision: D62644305