8256806: Shenandoah: optimize shenandoah/jni/TestPinnedGarbage.java test
Reviewed-by: rkennke
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@ -28,12 +28,12 @@
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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*
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx512m
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx128m
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* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
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* -XX:+ShenandoahVerify -XX:+ShenandoahDegeneratedGC
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* TestPinnedGarbage
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*
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx512m
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx128m
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* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
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* -XX:+ShenandoahVerify -XX:-ShenandoahDegeneratedGC
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* TestPinnedGarbage
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@ -45,11 +45,11 @@
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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*
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx512m
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx128m
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* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
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* TestPinnedGarbage
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*
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx512m
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx128m
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* -XX:+UseShenandoahGC
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* -XX:+ShenandoahVerify
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* TestPinnedGarbage
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@ -65,26 +65,26 @@ public class TestPinnedGarbage {
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}
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private static final int NUM_RUNS = 1_000;
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private static final int OBJS_COUNT = 1_000;
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private static final int GARBAGE_COUNT = 1_000_000;
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private static final int OBJS_COUNT = 1 << 10;
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private static final int GARBAGE_COUNT = 1 << 18;
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private static native void pin(int[] a);
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private static native void unpin(int[] a);
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public static void main(String[] args) {
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Random rng = Utils.getRandomInstance();
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for (int i = 0; i < NUM_RUNS; i++) {
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test();
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test(rng);
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}
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}
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private static void test() {
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private static void test(Random rng) {
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Object[] objs = new Object[OBJS_COUNT];
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for (int i = 0; i < OBJS_COUNT; i++) {
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objs[i] = new MyClass();
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}
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int[] cog = new int[10];
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Random rng = Utils.getRandomInstance();
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int cogIdx = rng.nextInt(OBJS_COUNT);
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objs[cogIdx] = cog;
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pin(cog);
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