bruno-roustant commented on a change in pull request #1395: SOLR-14365:
CollapsingQParser - Avoiding always allocate int[] and float[] with size equals
to number of unique values (WIP)
URL: https://github.com/apache/lucene-solr/pull/1395#discussion_r405086508
##########
File path: solr/core/src/java/org/apache/solr/util/numeric/DynamicMap.java
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@@ -17,13 +17,19 @@
package org.apache.solr.util.numeric;
-import java.util.function.Consumer;
-import java.util.function.IntConsumer;
+import com.carrotsearch.hppc.HashContainers;
-public interface IntIntMap {
- void set(int key, int value);
- int get(int key);
- void forEachValue(IntConsumer consumer);
- void remove(int key);
- int size();
+public interface DynamicMap {
+ static boolean useArrayBased(int expectedMaxSize) {
+ // for small data set, prefer using array based
+ return expectedMaxSize < (1 << 12);
Review comment:
+1
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