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From "Weldon Washburn" <weldon...@gmail.com>
Subject Re: [DRLVM][GC] ( Updated:HARMONY-1428) a submission of a mark-compaction GC
Date Thu, 21 Sep 2006 04:35:28 GMT
On 9/20/06, Xiao-Feng Li <xiaofeng.li@gmail.com> wrote:
>
> Weldon, the gc.xml needs a minor change to play with the mark-compaction
> GC:
>
>             <fileset dir="${src}/gc/src">
>                 <select os="win">
> -                 <include name="*.cpp" />
> +                <include name="mark_compaction/*.cpp" />
>                 </select>


The above is OK with me.  But I still can't find gc.xml anywhere.


Thanks,
> xiaofeng
>
> On 9/20/06, Weldon Washburn <weldonwjw@gmail.com> wrote:
> > On 9/19/06, Xiao-Feng Li <xiaofeng.li@gmail.com> wrote:
> > >
> > > Hi, a new attachment is submitted to GCv5 as an update to JIRA 1428.
> > > (https://issues.apache.org/jira/browse/HARMONY-1428), which is a
> > > mark-compaction GC. This GC is going to be connected with last
> > > submission (the trace-forwarding GC) into a generational GC.
> > >
> > > During the development of the Trace-forwarding and the Mark-compaction
> > > GCs, I intentionally arranged the code base into flexible enough so
> > > that they can be connected into one and they can run seperately as
> > > standalone GC. The gc.xml make file needs to be modified to reflect
> > > the directory difference than existing GC.
> >
> >
> >
> > I took a quick glance.  Its a good start :)
> >
> > I looked in both gc_v5.001.zip and GCv5-mc001.zip and did not find
> > gc.xmlbuild file.  Also,
> > GCv5-mc001.zip has all its files under src directory.  However,
> > gc_v5.001.zip does not contain any "src" directory.  Thus I don't know
> where
> > to put these trees relative to each other.
> >
> >
> > Any comments, suggestions, and code contributions are welcome!
> > >
> > > Thanks,
> > > xiaofeng
> > >
> > >
> > >
> > > > [DRLVM] first batch of files for GCv5, a trace-forward copying
> collector
> > > >
> ------------------------------------------------------------------------
> > > >
> > > >                 Key: HARMONY-1428
> > > >                 URL:
> http://issues.apache.org/jira/browse/HARMONY-1428
> > > >             Project: Harmony
> > > >          Issue Type: Improvement
> > > >          Components: DRLVM
> > > >         Environment: These files were only tested on Windows with
> VS.NET2003.
> > > >            Reporter: Xiao-Feng Li
> > > >         Assigned To: weldon washburn
> > > >         Attachments: gc_v5.001.zip, GCv5-mc001.zip
> > > >
> > > >
> > > > This archive has a couple of files implementing an early version of
> a
> > > trace-forward copying collector for GCv5. It's only a starter with
> very
> > > basic functionalities. It is a generational GC reqiures write barrier
> > > implemented in JIT. It was tested with JET, and ran SPECJBB2000 and
> > > SPECJVM98.
> > > > The algorithm is depth-first tracing of From-space, and forwarding
> live
> > > objects to To-space (It can forward part of the From-space). The
> To-space
> > > has no real management except for the accomodation of forwarded
> objects and
> > > large objects. So the To-space is going to be replaced by a
> mark-compaction
> > > GC, and the large objects will be managed by a LOS GC.
> > > > In order to minimize the changes to other components of DRLVM, the
> codes
> > > here comply with the original contract between GCv4 and other
> components. I
> > > also borrowed some routine code from GCv4 to avoid repetitive labor
> work.
> > > > GCv5 is under active development, so please expect quick and big
> changes
> > > to this submitted code base. I will submit new codes from time to time
> when
> > > they are worth a submission. Any comments or codes are more than
> welcome.
> > >
> > > --
> > > This message is automatically generated by JIRA.
> > > -
> > > If you think it was sent incorrectly contact one of the
> > > administrators:
> > > http://issues.apache.org/jira/secure/Administrators.jspa
> > > -
> > > For more information on JIRA, see:
> http://www.atlassian.com/software/jira
> > >
> > > ---------------------------------------------------------------------
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> > >
> > >
> >
> >
> > --
> > Weldon Washburn
> > Intel Middleware Products Division
> >
> >
>
> ---------------------------------------------------------------------
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>


-- 
Weldon Washburn
Intel Middleware Products Division

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