OpenJDK Contributions

[Archana Nogriya]

Hi,

I am requesting 2 proposals for the contribution to OpenJDK.
I have created webrev with my changes.
 
Please can I have someone to review my changes and suggest further.

Details description is as follow,

Contribution 1

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Title : Performance optimisation by setting MALLOCOPTIONS and LDR_CNTRL 
java launcher in order to use 64KB pages by default for perf on AIX.
Description: The malloc subsystem provides an optional multiheap 
capability to allow the use of multiple heaps of free memory, rather than 
just one, to improve performance this is the fix . Also to setting 
LDR_CNTRL on AIX java launcher in order to use 64KB pages by default for 
perf.
Changed File: 
http://hg.openjdk.java.net/jdk/jdk/file/5aeebd3bb33a/src/java.base/unix/native/libjli/java_md.c
Webrev url: https://bugs.openjdk.java.net/browse/JDK-8252802
============================================= 


Contribution 2

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Title : Add the /LARGEADDRESSAWARE flag when linking executables for 
Windows 32-bit.
Description: The following change to add the /LARGEADDRESSAWARE flag when 
linking executables for Windows 32-bit. This simple change allows java to 
use more than 2GB address space. IBM Java uses this flag.
Changed File: 
http://hg.openjdk.java.net/jdk/jdk/file/5aeebd3bb33a/make/autoconf/spec.gmk.in
Webrev url: https://bugs.openjdk.java.net/browse/JDK-8252803
================================================== 


Many Thanks & Regards
Archana Nogriya
Java Runtimes Development and Project Manager
IBM Hursley
IBM United Kingdom Ltd
internet email: archana.nogriya at uk.ibm.com 

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