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Re: Limbo, here I come !!
- To: inferno@interstice.com
- Subject: Re: Limbo, here I come !!
- From: fwmiller@cs.umd.edu (Frank W. Miller)
> > >Could you elaborate on this? > >By 'predictable' are you referring to the fact the GC > >implementation uses reference counting? How does this > >influence designs? > > There are TWO garbage collectors, one ref counting the > other coloring. Both are real-time. You can generate code > for either. The ref counting is made visible in limbo > and I find it eliminates lots of clean up and bookkeeping > code, especially in error cases. You often end up breaking > things into subroutines or modules that are cleared away > predictably by the garbage collectors. > This is confusing to me. I thought the point of garbage collection was that you don't have to think about the state of the memory after allocation. What is the point in exposing details of the implementations of the garbage collectors unless the application is going to think about the allocation state of some memory. And if this is the case, why not just use an explicit malloc/free management scheme. Is there some gray area in between totally explicit management and totally automatic that eludes me? Can you give a compelling example why I would want this in-between type of management? Later, FM -- Frank W. Miller Department of Computer Science fwmiller@cs.umd.edu University of Maryland, College Park http://www.cs.umd.edu/~fwmiller College Park, Maryland 20742
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