RFR(XS): Use lock version memory allocator

[Roman Kennke]

Oh. I should have looked further ;-)

OK then.

Does it make a difference perf-wise?

RomanAm 27.02.2017 5:17 nachm. schrieb Zhengyu Gu <zgu at redhat.com>:
>
> That's why ShenandoahHeapRegion has to override it. 
>
> -Zhengyu 
>
>
> On 02/27/2017 11:16 AM, Roman Kennke wrote: 
> > If I remember correctly, this throws asserts in debug mode. It wants an acquired Heap_lock. 
> > 
> > RomanAm 27.02.2017 5:12 nachm. schrieb Zhengyu Gu <zgu at redhat.com>: 
> >> Use lock version of heap region memory allocator. 
> >> 
> >> Webrev: http://cr.openjdk.java.net/~zgu/shenandoah/memory_allocate/webrev.00/ 
> >> 
> >> Test: 
> >>     fastdebug/release jdk: specjvm Derby 
> >> 
> >> 
> >> Thanks, 
> >> 
> >> -Zhengyu 
> >> 
>