[rvm-research] Threads created by concurrent collector

Hi all,

I am currently using jikesrvm to understand the behavior of collectors. I
have not dived in to the code base yet so perhaps I am going to ask
something that could be answered by looking at the code: l I want to use
prior knowledge just in case ! My question is that: when I use the
concurrent garbage collector in jikes with "t" threads, jikes actually
creates "2t" threads. I understand that collection is divided into two
major tasks and each task is completed by a pool of "t" threads? My main
question is that, what does the two different tasks actually do? What is
the division of collection process (if there is one)? From what I have
observed, the behavior of the two pools differ in subtle ways with the most
important being: one pool is more memory-intensive than the other. Does any
one know about what exactly each pool does? Or point me to the exact code
base?

Regards,
Shoaib.

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