VM Options Explorer - Switch comparison of OpenJDK16 vs SapMachine

OpenJDK HotSpot Options added/removed OpenJDK options also hosted on foojay.io
VM Options	JDK6	JDK7	JDK8	JDK9	JDK10	JDK11	JDK12	JDK13	JDK14	JDK15	JDK16	JDK17	JDK18
Intrinsics	JDK6	JDK7	JDK8	JDK9	JDK10	JDK11	JDK12	JDK13	JDK14	JDK15	JDK16	JDK17	JDK18

Alibaba
Dragonwell 8	Dragonwell 11

Amazon
Corretto 8	Corretto 11	Corretto 17

Azul Systems
Zing		Zulu
JDK8	JDK11	JDK8	JDK11	JDK13	JDK15	JDK16	JDK17

BellSoft
Liberica 8	Liberica 11	Liberica 17

Eclipse
Temurin 8	Temurin 11	Temurin 17

GraalVM 21.2.0
JDK8		JDK11		JDK16
CE	EE	CE	EE	CE	EE
EE-only		EE-only		EE-only

GraalVM native-image 21.2.0
JDK8		JDK11		JDK16
CE	EE	CE	EE	CE	EE
EE-only		EE-only		EE-only

Microsoft
Microsoft 11	Microsoft 16	Microsoft 17

Oracle
JDK6	JDK7	JDK8	JDK9	JDK10	JDK11	JDK12	JDK13	JDK14	JDK15	JDK16	JDK17

Hey Reader! If these notes float your boat you'll find more great JVM info in this book I co-wrote! Optimizing Java: Practical techniques for improving JVM application performance

SapMachine changed default values for:

Name	OpenJDK16 value	SapMachine value
C1UpdateMethodData	trueInTiered	true
ExtensiveErrorReports	PRODUCT_ONLY(false) NOT_PRODUCT(true)	PRODUCT_ONLY(true) NOT_PRODUCT(true)
LogEventsBufferEntries	20	75
PrintExtendedThreadInfo	false	true
VerifyArchivedFields	trueInDebug	0

SapMachine added:

ArrayOperationPartialInlineSize

AsyncLogBufferSize

CompressedClassSpaceBaseAddress

DummyManageableStringFlag

DumpVitalsAtExit

EliminateAllocationFieldsLimit

EnableJVMTIStackDepthAsserts

EnableMallocTrace

ErrorLogPrintCodeLimit

ExitVMOnOutOfMemoryError

G1EagerReclaimRemSetThreshold

G1RemSetArrayOfCardsEntries

G1RemSetArrayOfCardsEntriesBase

G1RemSetCoarsenHowlBitmapToHowlFullPercent

G1RemSetCoarsenHowlToFullPercent

G1RemSetFreeMemoryKeepExcessRatio

G1RemSetFreeMemoryRescheduleDelayMillis

G1RemSetFreeMemoryStepDurationMillis

G1RemSetHowlMaxNumBuckets

G1RemSetHowlNumBuckets

G1UsePreventiveGC

HeapDumpGzipLevel

JVMCINativeLibraryErrorFile

NoAsyncDeflationProgressMax

PrintClassLoaderDataGraphAtExit

PrintMallocTraceAtExit

PrintMetaspaceStatisticsAtExit

PrintVitalsAtExit

RecordDynamicDumpInfo

ShenandoahIUBarrier

ShenandoahMaxSATBBufferFlushes

ShenandoahNMethodBarrier

ShenandoahStackWatermarkBarrier

StringDeduplicationCleanupDeadMinimum

StringDeduplicationCleanupDeadPercent

StringDeduplicationGrowTableLoad

StringDeduplicationHashSeed

StringDeduplicationInitialTableSize

StringDeduplicationShrinkTableLoad

StringDeduplicationTargetTableLoad

TraceOptimizedUpcallStubs

UseVtableBasedCHA

VerifyReceiverTypes

VitalsLockFreeSampling

VitalsSampleInterval

SapMachine removed:

AlwaysLockClassLoader

ArrayCopyPartialInlineSize

AssertOnSuspendWaitFailure

BiasedLockingBulkRebiasThreshold

BiasedLockingBulkRevokeThreshold

BiasedLockingDecayTime

BiasedLockingStartupDelay

CalculateClassFingerprint

G1RSetRegionEntries

G1RSetSparseRegionEntries

InlineNIOCheckIndex

PrintBiasedLockingStatistics

PrintPreciseBiasedLockingStatistics

ShenandoahSATBBufferFlushInterval

ShenandoahStoreValEnqueueBarrier

StringDeduplicationRehashALot

SuspendRetryCount

SuspendRetryDelay

Tier0AOTBackEdgeThreshold

Tier0AOTCompileThreshold

Tier0AOTInvocationThreshold

Tier0AOTMinInvocationThreshold

Tier3AOTBackEdgeThreshold

Tier3AOTCompileThreshold

Tier3AOTInvocationThreshold

Tier3AOTMinInvocationThreshold

Tier40BackEdgeThreshold

Tier40CompileThreshold

Tier40InvocationThreshold

Tier40MinInvocationThreshold

TraceSuspendWaitFailures

UseAOTStrictLoading

UseBiasedLocking

UseOptoBiasInlining