Results 3 issues of Rui Lan

**Describe the bug** Kmeans balanced test fails when `n_cols` is less or equal than 4. Those cases are not currently tested but they should not fail. When I add the...

bug

### Is this a duplicate? - [X] I confirmed there appear to be no duplicate issues for this bug (https://github.com/NVIDIA/cuCollections/issues) ### Type of Bug Runtime Error ### Describe the bug...

type: bug

**Describe the bug** The `throughput` mode in ANN benchmark supposes to increase the QPS for small batch queries without impacting the recall level. However, I found that increasing the number...

bug