/
MainBench.scala
45 lines (39 loc) · 1.15 KB
/
MainBench.scala
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/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala.tools.nsc
/** The main class for NSC, a compiler for the programming
* language Scala.
*/
object MainBench extends Driver with EvalLoop {
lazy val theCompiler = Global(settings, reporter)
override def newCompiler() = theCompiler
val NIter = 50
val NBest = 10
override def main(args: Array[String]) = {
val times = new Array[Long](NIter)
var start = System.nanoTime()
for (i <- 0 until NIter) {
if (i == NIter-1) {
theCompiler.settings.Ystatistics.value = List("all")
theCompiler.settings.YhotStatisticsEnabled.value = true
}
process(args)
val end = System.nanoTime()
val duration = (end-start)/1000000
println(s"${duration}ms")
times(i) = duration
start = end
}
val avg = times.sorted.take(NBest).sum / NBest
println(s"avg shortest $NBest times ${avg}ms")
}
}