space management

Benjamin Smedberg benjamin at smedbergs.us
Tue Jan 8 18:03:29 PST 2008


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Zbynek Winkler wrote:

| Interesting paper about GC and virtual memory
|
|    Garbage Collection without Paging
|    http://www.cs.umass.edu/%7Eemery/pubs/f034-hertz.pdf
|
| It describes a "bookmarking" GC. It scans pages before being evicted
| from the memory and "bookmarks" all references so it does not have to
| touch the page again.
|
| I think that in the end, this is the right way to have GC and virtual
| memory work together well. Until then the GC heap will be limited in
| size by the available physical memory. Separating image data and other
| large pointerless allocations will certainly help. The question is if
| it is enough.

That is a very cool link, thank you! Though since it requires some kernel
cooperation, I'm not sure how it would translate in practice.

- --BDS

- --

Benjamin Smedberg
Platform Guru
Mozilla Corporation
benjamin at smedbergs.us
http://benjamin.smedbergs.us/
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