[GitHub] [lucene] dweiss commented on a change in pull request #430: LUCENE-10225: Improve IntroSelector.

[GitBox <gi...@apache.org>]

dweiss commented on a change in pull request #430:
URL: https://github.com/apache/lucene/pull/430#discussion_r748818786



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File path: lucene/core/src/java/org/apache/lucene/util/IntroSelector.java
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@@ -185,6 +204,115 @@ private void shuffle(int from, int to) {
     }
   }
 
+  /** Selects the k-th entry with a bottom-k algorithm, given that k is close to {@code from}. */

Review comment:
       Can you give the reference to which algorithm is actually use here? I admit a 5-minute eyeball didn't explain it to me. 




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