Pulkitg64 commented on PR #15003:
URL: https://github.com/apache/lucene/pull/15003#issuecomment-3183949385
Adding some KnnPerfTestResults where I tried to simulate deletes while
indexing docs. We are seeing consistent improvement in Indexing Time and
Indexing Rate (except one weird case when we deleted 40% docs) without
impacting recall.
Num Docs: 1MM
Max-Conn: 32
Beam-Width: 250
Quantize Bits: 32
Topk: 100
| Experiment | Baseline | | |Candidate |
| | % Change | |
|-----------|--------|---------------|---------------|--------|---------------|---------------|---------------|---------------|
| % Deletes | Recall | Indexing Time (s) | Indexing Rate (docs/s) | Recall |
Indexing Time (s) | Indexing Rate (docs/s) | Indexing Time | Indexing Rate |
| 25 | 0.952 | 692 | 1443 | 0.955 | 576
| 1734 | -20% | 17% |
| 30 | 0.952 | 581 | 1719 | 0.958 | 517
| 1932 | -12% | 11% |
| 40 | 0.951 | 560 | 1782 | 0.945 | 553
| 1805 | -1% | 1% |
| 50 | 0.96 | 446 | 2241 | 0.953 | 421
| 2371 | -6% | 5% |
| 60 | 0.974 | 234 | 4265 | 0.972 | 208
| 4804 | -13% | 11% |
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