On Sep 16 2013, at 19:37 , David Holmes wrote:

> Reviewed both hotspot and jdk changes.
> 
> Thumbs up and good riddance! :)
> 
> How do you propose to handle the coordination of the push?

The hotspot and jdk changes can go in any order. I plan to push them sequential 
after cross platform test build along with the closed source portion. The 
closed portion has to happen after the open jdk repo makefile changes.

Mike

> 
> Thanks,
> David
> 
> On 17/09/2013 10:16 AM, Mike Duigou wrote:
>> Hello all;
>> 
>> This is a cross-repo patch which disables building and enabling of the 
>> alt-rt.jar file. The alt-rt.jar file has been used with the 
>> -XX:+AggressiveOpts option (which will be remaining for other 
>> optimizations). This jar file formerly contained (closed-source) versions of 
>> several JDK classes which were optimized for very specific workloads. The 
>> implementations weren't generally applicable and in many cases induced 
>> performance drops. In particular since we will not be providing optimized 
>> implementations of the Java 8 streams API for the alternate versions of 
>> these classes the performance relative to the standard implementations would 
>> be poor.
>> 
>> Over time we've (largely Alan Bateman) been trying to eliminate this 
>> difficult to support feature. With this changeset the alt-rt.jar feature is 
>> retired.
>> 
>> http://cr.openjdk.java.net/~mduigou/JDK-8024826/0/webrev/
>> 
>> Ideally I would like a reviewer for both the HotSpot and JDK repos (could be 
>> the same person).
>> 
>> Mike
>> 

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