to-stack-or-not-to-stack.scala

package whoop.whoop

import java.util.concurrent.TimeUnit

import org.openjdk.jmh.annotations._

import scala.util.control.NoStackTrace

@State(Scope.Benchmark)
@BenchmarkMode(Array(Mode.AverageTime))
@OutputTimeUnit(TimeUnit.MICROSECONDS)
class NoStackTraceBenchmark {

  class Ex extends RuntimeException("")
  class ExNo extends RuntimeException("") with NoStackTrace

  @Benchmark def normal = new Ex
  @Benchmark def nostack = new ExNo

  /*
    just sayin'...
  
    Benchmark                      Mode  Cnt  Score   Error  Units
    NoStackTraceBenchmark.normal   avgt   40  1.539 ± 0.140  us/op
    NoStackTraceBenchmark.nostack  avgt   40  0.010 ± 0.001  us/op
   */
  
}