Documentation on the Hostpot C++ Heap Management

Marcelino Rodriguez cancio marcelino.rodriguez-cancio at irisa.fr
Tue May 10 09:22:15 UTC 2016


Hi Christian

Thanks a lot for the feedback!

I will definitively take a look at the Graal compiler

Best
Marcelino

----- Mail original -----
> De: "Christian Thalinger" <christian.thalinger at oracle.com>
> À: "Marcelino Rodriguez cancio" <marcelino.rodriguez-cancio at irisa.fr>
> Cc: adoption-discuss at openjdk.java.net, hotspot-dev at openjdk.java.net
> Envoyé: Lundi 9 Mai 2016 21:57:41
> Objet: Re: Documentation on  the Hostpot C++ Heap Management
> 
> 
> > On May 9, 2016, at 4:52 AM, Marcelino Rodriguez cancio
> > <marcelino.rodriguez-cancio at irisa.fr> wrote:
> > 
> > Hello Community:
> > 
> > I'm doing some modifications to the Server Compiler (C2) to test some ideas
> > for my Ph.D.
> 
> Does it have to be C2?  Graal is much better suited for academic research:
> 
> http://openjdk.java.net/projects/graal/
> 
> > 
> > Anyway, I'm having some memory related errors which I believe are caused by
> > my inability to properly manage memory.
> > 
> > I see there a several types of objects (ResourceObj, StackObj, _ValueObj,
> > etc.) (/hotspot/src/share/vm/memory/allocation.hpp). Also the Arena takes
> > memory from three chunk pools (
> > http://openjdk.java.net/groups/hotspot/docs/RuntimeOverview.html#C++%20Heap%20Management|outline
> > )...
> > 
> > My point is that I have scattered pieces of information that I will have to
> > digest and organize in my head before I'm able to properly use the
> > allocation classes of Hotspot and I was thinking that perhaps someone has
> > done this before and written something about it.
> > 
> > Optimally, I'm looking for a comprehensive guide explaining the different
> > classes, the usage rules, good and bad practices...or any resource you
> > think may help me have a mental map of this topic.
> > 
> > Thanks a lot for your time!
> > Marcelino
> > 
> > 
> > 
> 
> 


More information about the hotspot-dev mailing list