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bucket tweaks

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This commit is contained in:
vsadov 2022-06-18 18:35:33 -07:00
parent 547d8d0ea0
commit 8cd5724a3a
3 changed files with 4 additions and 4 deletions
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2
src/coreclr/gc/satori/SatoriRecycler.cpp
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@ -3491,7 +3491,7 @@ void SatoriRecycler::KeepRegion(SatoriRegion* curRegion)
// we will try reusing half-empty regions, unless they are too fragmented // we will try reusing half-empty regions, unless they are too fragmented
curRegion->ReusableFor() = SatoriRegion::ReuseLevel::None; curRegion->ReusableFor() = SatoriRegion::ReuseLevel::None;
if (curRegion->Occupancy() < Satori::REGION_SIZE_GRANULARITY / 2 && if (curRegion->Occupancy() < Satori::REGION_SIZE_GRANULARITY / 2 &&
curRegion->HasFreeSpaceInTop4Buckets()) curRegion->HasFreeSpaceInTopNBuckets(IsLowLatencyMode() ? 6 : 2))
{ {
_ASSERTE(curRegion->Size() == Satori::REGION_SIZE_GRANULARITY); _ASSERTE(curRegion->Size() == Satori::REGION_SIZE_GRANULARITY);

4
src/coreclr/gc/satori/SatoriRegion.cpp
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@ -331,10 +331,10 @@ bool SatoriRegion::HasFreeSpaceInTopBucket()
return m_freeLists[Satori::FREELIST_COUNT - 1]; return m_freeLists[Satori::FREELIST_COUNT - 1];
} }
bool SatoriRegion::HasFreeSpaceInTop4Buckets() bool SatoriRegion::HasFreeSpaceInTopNBuckets(int n)
{ {
//TUNING: more buckets means more aggressive demotion. //TUNING: more buckets means more aggressive demotion.
for (int bucket = Satori::FREELIST_COUNT - 4; bucket < Satori::FREELIST_COUNT; bucket++) for (int bucket = Satori::FREELIST_COUNT - n; bucket < Satori::FREELIST_COUNT; bucket++)
{ {
if (m_freeLists[bucket]) if (m_freeLists[bucket])
{ {

2
src/coreclr/gc/satori/SatoriRegion.h
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@ -79,7 +79,7 @@ public:
void AddFreeSpace(SatoriObject* freeObj); void AddFreeSpace(SatoriObject* freeObj);
bool HasFreeSpaceInTopBucket(); bool HasFreeSpaceInTopBucket();
bool HasFreeSpaceInTop4Buckets(); bool HasFreeSpaceInTopNBuckets(int n);
void StartEscapeTrackingRelease(size_t threadTag); void StartEscapeTrackingRelease(size_t threadTag);
void StopEscapeTracking(); void StopEscapeTracking();