ADDITIONAL SYSTEM INFORMATION :
hotspot-jdk-11.0.15

A DESCRIPTION OF THE PROBLEM :
When I executed this code, I found that the hotspot running time was much longer than that of openj9. After I used forced JIT compilation, the time was longer than that of direct running

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
6525276770152
298045193

real 0m0.572s
user 0m0.642s
sys 0m0.128s
ACTUAL -
time openjdk/hotspot-jdk-11.0.15/build/linux-x86_64-normal-server-fastdebug/jdk/bin/java -server B
6525276770152
781864643

real 0m13.379s
user 1m14.485s
sys 0m0.570s
(base) jvm_debug# time openjdk/hotspot-jdk-11.0.15/build/linux-x86_64-normal-server-fastdebug/jdk/bin/java -client B
6525276770152
765519146

real 0m12.452s
user 1m7.885s
sys 0m0.555s
(base) jvm_debug# time openjdk/hotspot-jdk-11.0.15/build/linux-x86_64-normal-server-fastdebug/jdk/bin/java B
6525276770152
770456380

real 0m11.114s
user 0m57.239s
sys 0m0.550s

---------- BEGIN SOURCE ----------
public class B {
    public static void main(String[] args) {
        long startTime = System.nanoTime();

        long result = performIntensiveCalculations();

        long endTime = System.nanoTime();
        System.out.println("" + result);
        System.out.println("" + (endTime - startTime) + " ");
    }

    private static long performIntensiveCalculations() {
        long sum = 0;
        for (int i = 1; i <= 100000000; i++) {
            sum += complexCalculation(i);
        }
        return sum;
    }

    private static int complexCalculation(int x) {
        int y = x * 33;
        y = y ^ (y << 10);
        y += y >> 3;
        y ^= (y << 4);
        y *= 7;
        y = y ^ (y << 9);
        y += y >> 2;
        y ^= (y << 5);
        y *= 3;
        return y;
    }
}
---------- END SOURCE ----------