RFR (XS): 8155917: G1 full gc memory pretouch in free regions causes regressions in SPECjvm2008 scimark.fft, lu, sor, sparse with 9+116 on Linux-x64

[Thomas Schatzl]

Hi,

On Mon, 2016-08-22 at 10:02 +0200, Mikael Gerdin wrote:
> Hi Thomas,
> 
> On 2016-08-10 23:23, Thomas Schatzl wrote:
> > 
> > Hi all,
> > 
> >   could I get reviews for this tiny change that fixes performance
> > degradation of up to 20% on various SPECjvm2008 benchmarks?
> > 
[...]
> > CR:
> > https://bugs.openjdk.java.net/browse/JDK-8155917
> > Webrev:
> > http://cr.openjdk.java.net/~tschatzl/8155917/webrev/
> > Testing:
> > benchmark runs, jprt
> Looks good to me.
> 
> /Mikael

  thanks for your review.

Thomas