Increase the minimum doc count to 5 #52
Merged
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Description
During integration testing, we observed that CAGRA would fail to build an index when the doc count was 1, 3 or 4. Specifically, the
copyTo
method used to convert the GPU index to CPU index would hang. This would cause certain kNN integration tests to fail - see #31 and #30. We tested up to having 23,000 docs, and did not see this issue with any other doc count. So, I believe it is sufficient to raise the minimum doc count threshold to 5, to prevent this issue from happening.I also refactored a lot of the unit tests to make testing these types of changes easier in the future
Issues Resolved
Resolves #31 and #30.
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