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test/hotspot/jtreg/gc/shenandoah/TestRetainObjects.java

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rev 58687 : Shenandoah: New incremental-update mode


  75  *      TestRetainObjects
  76  *
  77  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  78  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
  79  *      TestRetainObjects
  80  *
  81  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  82  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
  83  *      TestRetainObjects
  84  *
  85  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  86  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
  87  *      TestRetainObjects
  88  *
  89  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  90  *      -XX:+UseShenandoahGC
  91  *      -XX:-UseTLAB -XX:+ShenandoahVerify
  92  *      TestRetainObjects
  93  */
  94 






























  95 public class TestRetainObjects {
  96 
  97     static final int COUNT = 10_000_000;
  98     static final int WINDOW = 10_000;
  99 
 100     static final String[] reachable = new String[WINDOW];
 101 
 102     public static void main(String[] args) throws Exception {
 103         int rIdx = 0;
 104         for (int c = 0; c < COUNT; c++) {
 105             reachable[rIdx] = ("LargeString" + c);
 106             rIdx++;
 107             if (rIdx >= WINDOW) {
 108                 rIdx = 0;
 109             }
 110         }
 111     }
 112 
 113 }


  75  *      TestRetainObjects
  76  *
  77  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  78  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
  79  *      TestRetainObjects
  80  *
  81  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  82  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
  83  *      TestRetainObjects
  84  *
  85  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  86  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
  87  *      TestRetainObjects
  88  *
  89  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  90  *      -XX:+UseShenandoahGC
  91  *      -XX:-UseTLAB -XX:+ShenandoahVerify
  92  *      TestRetainObjects
  93  */
  94 
  95 /*
  96  * @test TestRetainObjects
  97  * @summary Acceptance tests: collector can deal with retained objects
  98  * @key gc
  99  * @requires vm.gc.Shenandoah & !vm.graal.enabled
 100  *
 101  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 102  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 103  *      -XX:+ShenandoahOOMDuringEvacALot
 104  *      TestRetainObjects
 105  *
 106  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 107  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 108  *      -XX:+ShenandoahAllocFailureALot
 109  *      TestRetainObjects
 110  *
 111  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 112  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 113  *      TestRetainObjects
 114  *
 115  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 116  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
 117  *      -XX:+ShenandoahVerify
 118  *      TestRetainObjects
 119  *
 120  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 121  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
 122  *      TestRetainObjects
 123  */
 124 
 125 public class TestRetainObjects {
 126 
 127     static final int COUNT = 10_000_000;
 128     static final int WINDOW = 10_000;
 129 
 130     static final String[] reachable = new String[WINDOW];
 131 
 132     public static void main(String[] args) throws Exception {
 133         int rIdx = 0;
 134         for (int c = 0; c < COUNT; c++) {
 135             reachable[rIdx] = ("LargeString" + c);
 136             rIdx++;
 137             if (rIdx >= WINDOW) {
 138                 rIdx = 0;
 139             }
 140         }
 141     }
 142 
 143 }
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