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8343962: [REDO] Move getChars to DecimalDigits

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Reviewed-by: redestad, rgiulietti
This commit is contained in:
Shaojin Wen 2025-01-25 03:12:56 +00:00
parent 7c0985fc32
commit f446cefee0
12 changed files with 409 additions and 382 deletions
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48
test/micro/org/openjdk/bench/java/lang/StringBuilders.java
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@ -54,6 +54,8 @@ public class StringBuilders {
private StringBuilder sbLatin2;
private StringBuilder sbUtf16;
private StringBuilder sbUtf17;
private int[] intArray;
private long[] longArray;
@Setup
public void setup() {
@ -69,6 +71,13 @@ public class StringBuilders {
sbLatin2 = new StringBuilder("Latin1 string");
sbUtf16 = new StringBuilder("UTF-\uFF11\uFF16 string");
sbUtf17 = new StringBuilder("UTF-\uFF11\uFF16 string");
int size = 16;
intArray = new int[size];
longArray = new long[size];
for (int i = 0; i < longArray.length; i++) {
intArray[i] = ((100 * i + i) << 24) + 4543 + i * 4;
longArray[i] = ((100L * i + i) << 32) + 4543 + i * 4L;
}
}
@Benchmark
@ -224,6 +233,45 @@ public class StringBuilders {
return result.toString();
}
@Benchmark
public int appendWithIntLatin1() {
StringBuilder buf = sbLatin1;
buf.setLength(0);
for (int i : intArray) {
buf.append(i);
}
return buf.length();
}
@Benchmark
public int appendWithIntUtf16() {
StringBuilder buf = sbUtf16;
buf.setLength(0);
for (int i : intArray) {
buf.append(i);
}
return buf.length();
}
@Benchmark
public int appendWithLongLatin1() {
StringBuilder buf = sbLatin1;
buf.setLength(0);
for (long l : longArray) {
buf.append(l);
}
return buf.length();
}
@Benchmark
public int appendWithLongUtf16() {
StringBuilder buf = sbUtf16;
buf.setLength(0);
for (long l : longArray) {
buf.append(l);
}
return buf.length();
}
@Benchmark
public int appendWithBool8Latin1() {