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package scala.collection.parallel.benchmarks.parallel_array
import scala.collection.parallel.benchmarks._
import scala.collection.parallel.mutable.ParArray
object ScanLight extends Companion {
def benchName = "scan-light";
def apply(sz: Int, parallelism: Int, what: String) = new ScanLight(sz, parallelism, what)
override def comparisons = List("jsr")
override def defaultSize = 40000
val op = (a: Cont, b: Cont) => {
operation(a, b)
}
def operation(a: Cont, b: Cont) = {
val m = if (a.in < 0) 1 else 0
new Cont(a.in + b.in + m * (0 until 2).reduceLeft(_ + _))
}
}
class ScanLight(sz: Int, p: Int, what: String)
extends Resettable[Cont](sz, p, what, new Cont(_), new Array[Any](_), classOf[Cont]) {
def companion = ScanLight
override def repetitionsPerRun = 50
override val runs = 12
def runpar = pa.scan(new Cont(0))(ScanLight.op)
def runseq = sequentialScan(new Cont(0), ScanLight.op, sz)
def runjsr = jsrarr.cumulate(new extra166y.Ops.Reducer[Cont] {
def op(a: Cont, b: Cont) = ScanLight.operation(a, b)
}, new Cont(0))
override def comparisonMap = collection.Map("jsr" -> runjsr _)
}
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