public static void main(String[] args) throws Exception {
// Warmup.
char[] input = createInput(5);
for (int i = 9999; i >= 0; --i) {
LeftFactored lf = new LeftFactored(input);
lf.parse("S");
}
// The benchmarks.
for (int i = 50000; i <= 200000; i += 50000) {
input = createInput(i);
runTest(input);
}
}
private static void runTest(char[] input) throws Exception {
ThreadMXBean tmxb = ManagementFactory.getThreadMXBean();
long total = 0;
long lowest = Long.MAX_VALUE;
for (int i = ITERATIONS - 1; i >= 0; --i) {
cleanup();
long start = tmxb.getCurrentThreadCpuTime();
LeftFactored lf = new LeftFactored(input);
lf.parse("S");
long end = tmxb.getCurrentThreadCpuTime();
long time = (end - start) / 1000000;
total += time;
lowest = (time < lowest) ? time : lowest;
}
System.out.println(
input.length + ": avg=" + (total / ITERATIONS) + "ms, lowest=" + lowest + "ms");
}