package lecture3

import scala.collection._
import scala.collection.parallel.CollectionConverters.IterableIsParallelizable
import org.scalameter._

object Conversion :

  val standardConfig = config (
    Key.exec.minWarmupRuns := 10,
    Key.exec.maxWarmupRuns := 20,
    Key.exec.benchRuns := 20,
    Key.verbose := false
  ) withWarmer new Warmer.Default

  val memConfig = config (
    Key.exec.minWarmupRuns := 0,
    Key.exec.maxWarmupRuns := 0,
    Key.exec.benchRuns := 10,
    Key.verbose := true
  ) withWarmer Warmer.Zero

  val vector = Vector.fill(10000000)("")
  val list = vector.toList

  @main def run =
    val listTime = standardConfig measure {
      list.par
    }

    println(s"list conversion time $listTime")

    val vectorTime = standardConfig measure {
      vector.par
    }

    println(s"vector conversion time $vectorTime")
    println(s"difference : ${listTime.value / vectorTime.value}")