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Merge pull request #20742 from drewhk/wip-reduce-internal-resume-allocations

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Reduce internal allocation in ActorGraphInterpreter
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drewhk 2016-06-07 15:39:15 +02:00
commit 47c1b5b9ad
1 changed files with 3 additions and 3 deletions
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6
akka-stream/src/main/scala/akka/stream/impl/fusing/ActorGraphInterpreter.scala
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@ -553,11 +553,11 @@ private[stream] class ActorGraphInterpreter(_initial: GraphInterpreterShell) ext
private val eventLimit: Int = _initial.mat.settings.syncProcessingLimit
private var currentLimit: Int = eventLimit
//this is a var in order to save the allocation when no short-circuiting actually happens
private var shortCircuitBuffer: util.LinkedList[Any] = null
private var shortCircuitBuffer: util.ArrayDeque[Any] = null
def enqueueToShortCircuit(input: Any): Unit = {
if (shortCircuitBuffer == null) shortCircuitBuffer = new util.LinkedList[Any]()
shortCircuitBuffer.add(input)
if (shortCircuitBuffer == null) shortCircuitBuffer = new util.ArrayDeque[Any]()
shortCircuitBuffer.addLast(input)
}
def registerShell(shell: GraphInterpreterShell): ActorRef = {