8 *
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
25 /*
26 * @test TestParallelRefprocSanity
27 * @summary Test that reference processing works with both parallel and non-parallel variants.
28 * @requires vm.gc.Shenandoah & !vm.graal.enabled
29 *
30 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g TestParallelRefprocSanity
31 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:-ParallelRefProcEnabled TestParallelRefprocSanity
32 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:+ParallelRefProcEnabled TestParallelRefprocSanity
33 */
34
35 import java.lang.ref.*;
36
37 public class TestParallelRefprocSanity {
38
39 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
40
41 static volatile Object sink;
42
43 public static void main(String[] args) throws Exception {
44 long count = TARGET_MB * 1024 * 1024 / 32;
45 for (long c = 0; c < count; c++) {
46 sink = new WeakReference<Object>(new Object());
47 }
48 }
|
8 *
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
25 /*
26 * @test TestParallelRefprocSanity
27 * @summary Test that reference processing works with both parallel and non-parallel variants.
28 * @requires vm.gc.Shenandoah
29 *
30 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g TestParallelRefprocSanity
31 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:-ParallelRefProcEnabled TestParallelRefprocSanity
32 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:+ParallelRefProcEnabled TestParallelRefprocSanity
33 */
34
35 import java.lang.ref.*;
36
37 public class TestParallelRefprocSanity {
38
39 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
40
41 static volatile Object sink;
42
43 public static void main(String[] args) throws Exception {
44 long count = TARGET_MB * 1024 * 1024 / 32;
45 for (long c = 0; c < count; c++) {
46 sink = new WeakReference<Object>(new Object());
47 }
48 }
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