On Thu, Feb 21, 2008 at 11:17 AM, Simon Chow <[EMAIL PROTECTED]> wrote: > Thanks. It is every helpful! > So how does Harmony manage JIT generated code at runtime? Is there some > consideration for code locality improvement? >
Simon, let the JIT people to answer the question. For your reference, please check the paper below: Dynamic code management: improving whole program code locality in managed runtimes. by Xianglong Huang, Brian T. Lewis, Kathryn S. McKinley: VEE 2006: 133-143. > > On 21/02/2008, Xiao-Feng Li <[EMAIL PROTECTED]> wrote: > > > > Simon, currently, Harmony manages VM data and Java heap separately. > > Java Heap is a specific term for the space that is managed by GC for > > Java objects. VM data such as VM data structures and JIT generated > > code have their respective management, not managed by GC. They are > > interacting in certain contexts, such as class loading/unloading, > > etc., where native data have pointers to Java objects or the reverse. > > But basically they are independent at the moment. > > > > Thanks, > > xiaofeng > > > > > > On Thu, Feb 21, 2008 at 9:57 AM, Simon Chow <[EMAIL PROTECTED]> > > wrote: > > > I find the compiled code produced by JIT is placed in the JVM heap space > > > (0xA0000000~0xB0000000 by default) as well as object data, is that > > true? > > > What's the difference of memory management policies used for object > > data and > > > compiled code? > > > > > > > > > -- > > > From : [EMAIL PROTECTED] School of Fudan University > > > > > > > > > > > > > -- > > http://xiao-feng.blogspot.com > > > > > > -- > > > From : [EMAIL PROTECTED] School of Fudan University > -- http://xiao-feng.blogspot.com
