[gambit-list] What is SSB?

Bradley Lucier lucier at math.purdue.edu
Fri Jan 4 23:48:55 EST 2013


On Jan 4, 2013, at 2:43 PM, Marc Feeley wrote:

> 
> 
> On 2013-01-04, at 2:39 PM, Bradley Lucier <lucier at math.purdue.edu> wrote:
> 
>> Marc:
>> 
>> What does this mean?
>> 
>> Add support for a SSB which will be used by the generational GC.
>> 
>> Brad
> 
> SSB = Sequential Store Buffer.  The SSB keeps track of the assignments to heap objects.  Assignments might create pointers from an old to a new generation.  These "inverse" pointers need to be taken into account when garbage collecting a new generation (without garbage collecting the old generation).
> 
> Marc
> 

This paper

https://bitbucket.org/GregorR/ggggc/src/0769d2c4cb90/doc/write-barrier.pdf

does some slagging on Sequential Store Buffers as part of write barriers.  Any comments?

Brad


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