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WIP: Incremental GC #5227

Closed
wants to merge 17 commits into from
Closed

WIP: Incremental GC #5227

wants to merge 17 commits into from

Commits on Oct 16, 2014

  1. Add incremental GC & write barrier. 

    This also includes various allocation changes which should improve
performances.
There is also a start of generational behavior for <2k objects.
This broke the heuristics in the process, still pretty much a WIP.
    @carnaval
    carnaval committed Oct 16, 2014
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  2. All wb are now backward for quick collections, big objects can be tra… 

    …nsients,

bugfixes...
Still in a pretty broken state (at the very least incremental codepath isn't
working)
@trrousse :-)
    @carnaval
    carnaval committed Oct 16, 2014
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  3. working version of promotion at sweep

    @carnaval
    carnaval committed Oct 16, 2014
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  4. fix darwin build & start to cleanup

    @carnaval
    carnaval committed Oct 16, 2014
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  5. Fix a bug where a soon-to-be-promoted object would escape the write b… 

    …arrier. A bit more cleanup too. Also some missing write barrier in new code.
    @carnaval
    carnaval committed Oct 16, 2014
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  6. repair timing & memory stats

    @carnaval
    carnaval committed Oct 16, 2014
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  7. count external memory alloc again

    @carnaval
    carnaval committed Oct 16, 2014
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  8. add peak resident memory to perf tests, slight heuristic adjustment, … 

    …no there yet.
    @carnaval
    carnaval committed Oct 16, 2014
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  9. Prevent module level assignments from clobbering up the remembered se… 

    …t. A bit more tweaking of the collection heuristics. We are now faster/less memory hungry on almost every benchmark of the micro, kernel & shootout suite.
    @carnaval
    carnaval committed Oct 16, 2014
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  10. Slight allocation optimizations. Also another cleanup round.

    @carnaval
    carnaval committed Oct 16, 2014
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  11. More cleanup

    @carnaval
    carnaval committed Oct 16, 2014
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  12. Avoid a silly 1-cycle latency to old object remarking after a full co… 

    …llection. Slight cleanup. Address some of Jeff's comments.
    @carnaval
    carnaval committed Oct 16, 2014
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  13. cleanup some defines. remove useless geptr instruction. repair GC_FIN… 

    …AL_STATS.
    @carnaval
    carnaval committed Oct 16, 2014
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  14. yet another round of cleanups + some additional comments.

    @carnaval
    carnaval committed Oct 16, 2014
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  15. add some more timing output. improve a bit the page allocator.

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    carnaval committed Oct 16, 2014
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  16. oups

    @carnaval
    carnaval committed Oct 16, 2014
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  17. remove gc_inc, add more comments

    @carnaval
    carnaval committed Oct 16, 2014
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