archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 22:34:27 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8334328: Reduce object allocation for FloatToDecimal and DoubleToDecimal

Browse source 
Reviewed-by: redestad, rgiulietti
This commit is contained in:
Shaojin Wen 2024-06-27 05:13:30 +00:00 • committed by Chen Liang
parent 9bb675f89d
commit 9d20b58f40
5 changed files with 401 additions and 349 deletions
Download patch file Download diff file Expand all files Collapse all files

71
test/micro/org/openjdk/bench/java/lang/StringBuilders.java
View file

@ -241,17 +241,66 @@ public class StringBuilders {
@Benchmark
public String toStringCharWithFloat8() {
StringBuilder result = new StringBuilder();
result.append(113.110F);
result.append(156456.36435637F);
result.append(65436434.64632F);
result.append(42654634.64540F);
result.append(63464351.64537F);
result.append(634564.645711F);
result.append(64547.64311F);
result.append(4763456341.64531F);
return result.toString();
public int appendWithFloat8Latin1() {
StringBuilder buf = sbLatin1;
buf.setLength(0);
buf.append(113.110F);
buf.append(156456.36435637F);
buf.append(65436434.64632F);
buf.append(42654634.64540F);
buf.append(63464351.64537F);
buf.append(634564.645711F);
buf.append(64547.64311F);
buf.append(4763456341.64531F);
return buf.length();
}
@Benchmark
public int appendWithFloat8Utf16() {
StringBuilder buf = sbUtf16;
buf.setLength(0);
buf.append(113.110F);
buf.append(156456.36435637F);
buf.append(65436434.64632F);
buf.append(42654634.64540F);
buf.append(63464351.64537F);
buf.append(634564.645711F);
buf.append(64547.64311F);
buf.append(4763456341.64531F);
return buf.length();
}
@Benchmark
public int appendWithDouble8Latin1() {
StringBuilder buf = sbLatin1;
buf.setLength(0);
buf.append(0.3005216476500575D);
buf.append(0.39727691577802204D);
buf.append(0.9869700323149287D);
buf.append(42654634.645403256D);
buf.append(63464351.645371353D);
buf.append(634564.645711246D);
buf.append(64547.6431172363D);
buf.append(4763456341.64531675D);
return buf.length();
}
@Benchmark
public int appendWithDouble8Utf16() {
StringBuilder buf = sbUtf16;
buf.setLength(0);
buf.append(0.3005216476500575D);
buf.append(0.39727691577802204D);
buf.append(0.9869700323149287D);
buf.append(42654634.645403256D);
buf.append(63464351.645371353D);
buf.append(634564.645711246D);
buf.append(64547.6431172363D);
buf.append(4763456341.64531675D);
return buf.length();
}
@Benchmark