mayya-sharipova commented on PR #12962:
URL: https://github.com/apache/lucene/pull/12962#issuecomment-1894402548

   I have done more experiments with different `interval` values: 
   
   Cohere 786 dims:
   
   1M vectors, k=10, fanout=90
   |  Interval  | Avg visited nodes |   QPS    |   Recall| 
   |  ---:      |    ---:           |     ---: |    ---: |    
   | 255        |              10283|       959|    0.946|
   | 511        |              11455|       912|    0.956|
   | 1023       |              12241|       888|    0.963|
   
   
   1M vectors, k=100, fanout=900
   |  Interval  | Avg visited nodes |   QPS    |   Recall| 
   |  ---:      |    ---:           |     ---: |    ---: |  
   | 255        |              28175|       286|    0.978|
   | 511        |              32410|       231|    0.982|
   | 1023       |              38929|       193|    0.985|
   
   
   10M vectors, k=10, fanout=90
   |  Interval  | Avg visited nodes |   QPS    |   Recall| 
   |  ---:      |    ---:           |     ---: |    ---: |   
   | 255        |              18325|       567|    0.906|
   | 511        |              20108|       518|    0.919|
   | 1023       |              22041|       472|    0.932|
   
   10M vectors, k=100, fanout=900
   |  Interval  | Avg visited nodes |   QPS    |   Recall| 
   |  ---:      |    ---:           |     ---: |    ---: |    
   | 255        |              58543|       157|    0.958|
   | 511        |              66518|       134|    0.966|
   | 1023       |              78740|       115|    0.972|
   
   


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