JDK-8173586 : Release Note: BigInteger performance improvements turned on by default
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 7u131,8u152
  • Priority: P4
  • Status: Closed
  • Resolution: Delivered
  • Submitted: 2017-01-27
  • Updated: 2017-08-07
  • Resolved: 2017-03-30
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JDK 7 JDK 8
7u131Resolved 8u152Resolved
Description
The performance improvements described in JDK-8130150 and JDK-8081778 have now been turned on by default.  They can be turned off by using the following command options:
```
-XX:-UseMontgomerySquareIntrinsic
-XX:-UseMontgomeryMultiplyIntrinsic
-XX:-UseSquareToLenIntrinsic
-XX:-UseMultiplyToLenIntrinsic
```