new implementations for --gc:orc (#14121)

* cycle collector: new implementation
* cycle collector: make self-adaptive based on its previous effectiveness
* cycle collector: added Lins's jump stack to improve traversal from 3*N to 2*N
* cycle collector: make tests green
* API extensions and bugfixes
* code cleanup and use --gc:orc for tasyncawait
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Andreas Rumpf 2020-04-27 11:57:26 +02:00 • committed by GitHub
commit dedb04fa9e
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13 changed files with 428 additions and 21 deletions

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@ -38,10 +38,13 @@ proc deallocSharedImpl(p: pointer) = deallocImpl(p)
proc GC_disable() = discard
proc GC_enable() = discard
proc GC_fullCollect() = discard
when not defined(gcOrc):
proc GC_fullCollect() = discard
proc GC_enableMarkAndSweep() = discard
proc GC_disableMarkAndSweep() = discard
proc GC_setStrategy(strategy: GC_Strategy) = discard
proc GC_enableMarkAndSweep() = discard
proc GC_disableMarkAndSweep() = discard
proc getOccupiedMem(): int = discard
proc getFreeMem(): int = discard