org.sincron.atomic

PaddingStrategy

sealed trait PaddingStrategy extends AnyRef

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, you can import an implicit into scope:

import import org.sincron.atomic.Atomic
import org.sincron.atomic.PaddingStrategy.Right64

val paddedAtomic = Atomic(10)
See also

PaddingStrategy.LeftRight256

PaddingStrategy.Right128

PaddingStrategy.Left128

PaddingStrategy.LeftRight128

PaddingStrategy.Right64

PaddingStrategy.Left64

PaddingStrategy.NoPadding

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AnyRef, Any
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Left128, Left64, LeftRight128, LeftRight256, NoPadding, Right128, Right64
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