sealed
trait
PaddingStrategy extends AnyRef
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
-
-
-
def
finalize(): Unit
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final
def
getClass(): Class[_]
-
def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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-
final
def
notify(): Unit
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final
def
notifyAll(): Unit
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
For applying padding to atomic references, in order to reduce cache contention. JEP 142 should reduce the need for this along with the
@Contended
annotation, however that might have security restrictions, the runtime might not act on it since it's just a recommendation, plus it's nice to provide backwards compatibility.See: http://mail.openjdk.java.net/pipermail/hotspot-dev/2012-November/007309.html
The default strategy is NoPadding. In order to apply padding:
PaddingStrategy.LeftRight256
PaddingStrategy.Right128
PaddingStrategy.Left128
PaddingStrategy.LeftRight128
PaddingStrategy.Right64
PaddingStrategy.Left64
PaddingStrategy.NoPadding