From ef536f00d9d480f28db3093b9dc09a90041cfb74 Mon Sep 17 00:00:00 2001 From: Dmitry Petrashko Date: Thu, 25 Jun 2015 09:45:27 +0200 Subject: Enable 61 tests that succeed. --- tests/run/t5293.scala | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 tests/run/t5293.scala (limited to 'tests/run/t5293.scala') diff --git a/tests/run/t5293.scala b/tests/run/t5293.scala new file mode 100644 index 000000000..8a99989c5 --- /dev/null +++ b/tests/run/t5293.scala @@ -0,0 +1,83 @@ + + + +import scala.collection.JavaConverters._ + + + +object Test extends dotty.runtime.LegacyApp { + + def bench(label: String)(body: => Unit): Long = { + val start = System.nanoTime + + 0.until(10).foreach(_ => body) + + val end = System.nanoTime + + //println("%s: %s ms".format(label, (end - start) / 1000.0 / 1000.0)) + + end - start + } + + def benchJava(values: java.util.Collection[Int]) = { + bench("Java Set") { + val set = new java.util.HashSet[Int] + + set.addAll(values) + } + } + + def benchScala(values: Iterable[Int]) = { + bench("Scala Set") { + val set = new scala.collection.mutable.HashSet[Int] + + set ++= values + } + } + + def benchScalaSorted(values: Iterable[Int]) = { + bench("Scala Set sorted") { + val set = new scala.collection.mutable.HashSet[Int] + + set ++= values.toArray.sorted + } + } + + def benchScalaPar(values: Iterable[Int]) = { + bench("Scala ParSet") { + val set = new scala.collection.parallel.mutable.ParHashSet[Int] map { x => x } + + set ++= values + } + } + + val values = 0 until 50000 + val set = scala.collection.mutable.HashSet.empty[Int] + + set ++= values + + // warmup + for (x <- 0 until 5) { + benchJava(set.asJava) + benchScala(set) + benchScalaPar(set) + benchJava(set.asJava) + benchScala(set) + benchScalaPar(set) + } + + val javaset = benchJava(set.asJava) + val scalaset = benchScala(set) + val scalaparset = benchScalaPar(set) + + assert(scalaset < (javaset * 8), "scalaset: " + scalaset + " vs. javaset: " + javaset) + assert(scalaparset < (javaset * 8), "scalaparset: " + scalaparset + " vs. javaset: " + javaset) +} + + + + + + + + -- cgit v1.2.3