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[Backport] 8333462: Performance regression of new DecimalFormat() when compare to jdk11 #79

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lingjun-cg opened this issue Jul 22, 2024 · 0 comments
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[Backport] 8333462: Performance regression of new DecimalFormat() when compare to jdk11 #79

lingjun-cg opened this issue Jul 22, 2024 · 0 comments

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@lingjun-cg
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All details can get at openjdk/jdk#19534.
lingjun-cg added a commit to lingjun-cg/dragonwell21 that referenced this issue Jul 22, 2024
@lingjun-cg
[Backport] 8333462: Performance regression of new DecimalFormat() whe…
9577cbf 
…n compare to jdk11

Summary: The DecimalFormat constructor calls DecimalFormatSymbols.findNonFormatChar(String,char) multiple times, and the lambda implementation is slow than plain loop implementation of DecimalFormatSymbols.findNonFormatChar(String,char).

Testing: All java.text.format jtreg.

Reviewers: D-D-H, Yude Lin

Issue: dragonwell-project#79
@lingjun-cg lingjun-cg mentioned this issue Jul 22, 2024
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lingjun-cg added a commit to lingjun-cg/dragonwell21 that referenced this issue Jul 22, 2024
@lingjun-cg
[Backport] 8333462: Performance regression of new DecimalFormat() whe…
1441428 
…n compare to jdk11

Summary: The DecimalFormat constructor calls DecimalFormatSymbols.findNonFormatChar(String,char) multiple times, and the lambda implementation of findNonFormatChar  is slow than plain loop implementation.

Testing: All java.text.format jtreg.

Reviewers: D-D-H, Yude Lin

Issue: dragonwell-project#79
@lingjun-cg lingjun-cg mentioned this issue Jul 22, 2024
Merged
lingjun-cg added a commit that referenced this issue Jul 23, 2024
@lingjun-cg
[Backport] 8333462: Performance regression of new DecimalFormat() whe…
3798df7 
…n compare to jdk11

Summary: The DecimalFormat constructor calls DecimalFormatSymbols.findNonFormatChar(String,char) multiple times, and the lambda implementation of findNonFormatChar  is slow than plain loop implementation.

Testing: All java.text.format jtreg.

Reviewers: D-D-H, Yude Lin

Issue: #79
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