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List:       openjdk-hotspot-gc-dev
Subject:    Re: RFR (S): JDK-8028710: G1 does not retire allocation buffers after reference processing work
From:       Thomas Schatzl <thomas.schatzl () oracle ! com>
Date:       2014-04-14 15:59:28
Message-ID: 1397491168.2722.4.camel () cirrus
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Hi Bengt,

  thanks for the review.

On Mon, 2014-04-14 at 13:53 +0200, Bengt Rutisson wrote:
> Hi Thomas,
> 
> On 2014-04-14 11:53, Thomas Schatzl wrote:
> > [...]
> > Also, I would like to remove use of separate allocation buffers for the
> > different gc phases at some point: it is very expensive in terms of
> > memory usage to size them the same in phases that have a different
> > allocation behavior.
> >
> > Particularly in the soft-reference processing phase, very often only a
> > few objects are kept alive, although G1 sizes the buffer to the same
> > size as for the actual evacuation phase which has comparatively much
> > more survivors.
> >
> > I will probably create a CR for that.
> 
> Sounds good to file a CR for that. Good idea.

I added JDK-8040162 to track this.

Thanks,
Thomas


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