FizzBuzzのbench

build.sbt

jmhSettings

console.log

[info] # Run complete. Total time: 00:00:38
[info] 
[info] Benchmark                           Mode  Cnt       Score        Error  Units
[info] FizzBuzz.fizzBuzzHundred           thrpt    3  361575.907 ± 366489.672  ops/s
[info] FizzBuzz.fizzBuzzTenThousand       thrpt    3    2987.468 ±   2294.886  ops/s
[info] FizzBuzz.fizzBuzzThousand          thrpt    3   32835.541 ±  19145.362  ops/s
[info] FizzBuzz.fizzBuzzTupleHundred      thrpt    3  345857.262 ±  42335.462  ops/s
[info] FizzBuzz.fizzBuzzTupleTenThousand  thrpt    3    1935.980 ±   4158.743  ops/s
[info] FizzBuzz.fizzBuzzTupleThousand     thrpt    3   24860.685 ± 108578.332  ops/s
[success] Total time: 44 s, completed 2015/04/20 23:19:18

fizzbuzz.scala

package training.fifth

import org.openjdk.jmh.annotations.Benchmark

class FizzBuzz{

@Benchmark
def fizzBuzzTupleHundred():Seq[String] = fizzBuzzTuple(100)

@Benchmark
def fizzBuzzTupleThousand():Seq[String] = fizzBuzzTuple(1000)

@Benchmark
def fizzBuzzTupleTenThousand():Seq[String] = fizzBuzzTuple(10000)

@Benchmark
def fizzBuzzHundred():Seq[String] = fizzBuzz(100)

@Benchmark
def fizzBuzzThousand():Seq[String] = fizzBuzz(1000)

@Benchmark
def fizzBuzzTenThousand():Seq[String] = fizzBuzz(10000)

def fizzBuzzTuple(arg: Int):Seq[String] =
    for (i <- 1 to arg) yield
      i % 3 -> i % 5 match {
        case (0, 0) => "FizzBuzz"
        case (0, _) => "Fizz"
        case (_, 0) => "Buzz"
        case _ => i.toString
      }
      
      
def fizzBuzz(max:Int):Seq[String] = 
 for (x <- 1 to max) yield
    x match{
      case _ if x % 15 == 0 => "FizzBuzz"
      case _ if x % 3 == 0 => "Fizz"
      case _ if x % 5 == 0 => "Buzz"
      case _ => x.toString
    }     
}