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优化resize，避免fgc #1889

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优化resize，避免fgc #1889

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f0df078
优化resize，避免fgc
Mar 28, 2024
fa34d2b
增加扩容最小比例配置
Apr 16, 2024
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12 changes: 12 additions & 0 deletions src/main/java/com/hankcs/hanlp/collection/trie/DoubleArrayTrie.java
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,16 @@ public String toString()
*/
private boolean enableFastBuild;

private double minResizeRatio = 1;

/**
* 控制构建过程中每次扩容的最小比例，避免频繁扩容导致FGC
* @param minResizeRatio 扩容比例，取值范围建议(1, 2]
*/
public void setMinResizeRatio(double minResizeRatio) {
this.minResizeRatio = minResizeRatio;
}

/**
* 拓展数组
*
Expand All @@ -91,6 +101,8 @@ public String toString()
*/
private int resize(int newSize)
{
newSize = Math.max(newSize, ((Double)(allocSize * minResizeRatio)).intValue());

int[] base2 = new int[newSize];
int[] check2 = new int[newSize];
if (allocSize > 0)
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