Review request: 8015268: NPG: 2.5% regression in young GC times on CRM Sales Opty

[Stefan Karlsson]

On 05/28/2013 11:15 AM, Thomas Schatzl wrote:
> Hi,
>
> On Mon, 2013-05-27 at 15:57 +0200, Stefan Karlsson wrote:
>> http://cr.openjdk.java.net/~stefank/8015268/webrev.00
>>
>> 8015268: NPG: 2.5% regression in young GC times on CRM Sales Opty
>> Summary: Split SystemDictionary and ClassLoaderDataGraph root processing
>> to help load balancing.
>>
>> The ClassLoaderDataGraph was added in the PermGen removal project and
>> the he root processing of it was added to the system dictionary task,
>> instead a separate phase/task. This patch splits the two tasks, so that
>> they can be run in parallel.
>>
>> It has been verified that this patch reduces the Parallel Scavenge young
>> GC times with about 9% in the CRM Sales Opty benchmark.
> Looks straightforward enough. Seems okay.

Thanks!

StefanK

>
> Thomas
>
>