JDK-8196331 : Optimize Character.digit for latin1 input
  • Type: Enhancement
  • Component: core-libs
  • Sub-Component: java.lang
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2018-01-29
  • Updated: 2023-01-11
  • Resolved: 2018-01-30
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JDK 11
11 b01Fixed
Related Reports
Relates :  
JDK-8196334 - Optimize UUID#fromString
Relates :  
JDK-8196740 - Character.digit(int,int) returns wrong value for out of range radix
Description
Character.digit for data in the latin1 (codePoint <= 255) can be optimized, as discussed on core-libs-dev: http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-January/051138.html

Results in micros show ~1.5x improvements.
Comments
URL: http://hg.openjdk.java.net/jdk/jdk/rev/29c1fede33a6 User: redestad Date: 2018-01-30 17:57:39 +0000
30-01-2018