9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 package gc.epsilon;
25
26 /**
27 * @test TestElasticTLABDecay
28 * @key randomness
29 * @requires vm.gc.Epsilon & !vm.graal.enabled
30 * @summary Epsilon is able to work with/without elastic TLABs
31 * @library /test/lib
32 *
33 * @run main/othervm -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+EpsilonElasticTLAB -XX:-EpsilonElasticTLABDecay gc.epsilon.TestElasticTLABDecay
34 * @run main/othervm -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+EpsilonElasticTLAB -XX:+EpsilonElasticTLABDecay -XX:EpsilonTLABDecayTime=1 gc.epsilon.TestElasticTLABDecay
35 * @run main/othervm -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+EpsilonElasticTLAB -XX:+EpsilonElasticTLABDecay -XX:EpsilonTLABDecayTime=100 gc.epsilon.TestElasticTLABDecay
36 */
37
38 import java.util.Random;
39 import jdk.test.lib.Utils;
40
41 public class TestElasticTLABDecay {
42 static int COUNT = Integer.getInteger("count", 3000); // ~500 MB allocation
43
44 static byte[][] arr;
45
46 public static void main(String[] args) throws Exception {
47 Random r = Utils.getRandomInstance();
48
49 arr = new byte[COUNT * 100][];
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 package gc.epsilon;
25
26 /**
27 * @test TestElasticTLABDecay
28 * @key randomness
29 * @requires vm.gc.Epsilon
30 * @summary Epsilon is able to work with/without elastic TLABs
31 * @library /test/lib
32 *
33 * @run main/othervm -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+EpsilonElasticTLAB -XX:-EpsilonElasticTLABDecay gc.epsilon.TestElasticTLABDecay
34 * @run main/othervm -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+EpsilonElasticTLAB -XX:+EpsilonElasticTLABDecay -XX:EpsilonTLABDecayTime=1 gc.epsilon.TestElasticTLABDecay
35 * @run main/othervm -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+EpsilonElasticTLAB -XX:+EpsilonElasticTLABDecay -XX:EpsilonTLABDecayTime=100 gc.epsilon.TestElasticTLABDecay
36 */
37
38 import java.util.Random;
39 import jdk.test.lib.Utils;
40
41 public class TestElasticTLABDecay {
42 static int COUNT = Integer.getInteger("count", 3000); // ~500 MB allocation
43
44 static byte[][] arr;
45
46 public static void main(String[] args) throws Exception {
47 Random r = Utils.getRandomInstance();
48
49 arr = new byte[COUNT * 100][];
|