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8302163: Speed up various String comparison methods with ArraysSupport.mismatch

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Reviewed-by: stsypanov, rriggs, alanb
This commit is contained in:
Claes Redestad 2023-02-15 21:52:41 +00:00
parent 50dcc2aec5
commit 861e302011
5 changed files with 127 additions and 64 deletions
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13
test/micro/org/openjdk/bench/java/lang/StringBuilders.java
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@ -51,7 +51,9 @@ public class StringBuilders {
private String[] str3p9p8;
private String[] str22p40p31;
private StringBuilder sbLatin1;
private StringBuilder sbLatin2;
private StringBuilder sbUtf16;
private StringBuilder sbUtf17;
@Setup
public void setup() {
@ -64,7 +66,9 @@ public class StringBuilders {
str3p9p8 = new String[]{"123", "123456789", "12345678"};
str22p40p31 = new String[]{"1234567890123456789012", "1234567890123456789012345678901234567890", "1234567890123456789012345678901"};
sbLatin1 = new StringBuilder("Latin1 string");
sbLatin2 = new StringBuilder("Latin1 string");
sbUtf16 = new StringBuilder("UTF-\uFF11\uFF16 string");
sbUtf17 = new StringBuilder("UTF-\uFF11\uFF16 string");
}
@Benchmark
@ -250,6 +254,15 @@ public class StringBuilders {
return result.toString();
}
@Benchmark
public int compareToLatin1() {
return sbLatin1.compareTo(sbLatin2);
}
@Benchmark
public int compareToUTF16() {
return sbUtf16.compareTo(sbUtf17);
}
@Benchmark
public String toStringCharWithMixed8() {