where-do-stack-traces-come-7

gistfile1.java

public class StackTraceBenchmark extends SimpleBenchmark {
 
    @Param({"1", "10", "100", "1000"})
    public int threadDepth;
 
    public void timeWithoutException(int reps) throws InterruptedException {
        while(--reps >= 0) {
            notThrowing(threadDepth);
        }
    }
 
    private int notThrowing(int depth) {
        if(depth <= 0)
            return depth;
        return notThrowing(depth - 1);
    }
 
    //--------------------------------------
 
    public void timeWithStackTrace(int reps) throws InterruptedException {
        while(--reps >= 0) {
            try {
                throwingWithStackTrace(threadDepth);
            } catch (RuntimeException e) {
            }
        }
    }
 
    private void throwingWithStackTrace(int depth) {
        if(depth <= 0)
            throw new RuntimeException();
        throwingWithStackTrace(depth - 1);
    }
 
    //--------------------------------------
 
    public void timeWithoutStackTrace(int reps) throws InterruptedException {
        while(--reps >= 0) {
            try {
                throwingWithoutStackTrace(threadDepth);
            } catch (RuntimeException e) {
            }
        }
    }
 
    private void throwingWithoutStackTrace(int depth) {
        if(depth <= 0)
            throw new ExceptionFromHell();
        throwingWithoutStackTrace(depth - 1);
    }
 
    //--------------------------------------
 
    public static void main(String[] args) {
        Runner.main(StackTraceBenchmark.class, new String[]{"--trials", "1"});
    }
 
}