RFR: 8215159: Improve initial setup of system Properties
mandy.chung at oracle.com
Tue Dec 11 17:41:03 UTC 2018
On 12/10/18 1:17 PM, Claes Redestad wrote:
> by inverting the order in which the internal property maps are created,
> we avoid some classloading and get a slightly more efficient code
> execution profile in System.initPhase1.
> Webrev: http://cr.openjdk.java.net/~redestad/8215159/jdk.00/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8215159
This change looks okay to me.
ModuleBootstrap also removes some `jdk.module.*` private system
module system initialization but they are only set if module-related
options are set. These properties are not present in the common
private system properties are the interface between VM and libraries.
other mechanism that we can look into to replace using system properties
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