stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8256806: Shenandoah: optimize shenandoah/jni/TestPinnedGarbage.java test

Browse Source 
Reviewed-by: rkennke
This commit is contained in:
Aleksey Shipilev 2020-11-20 21:45:13 +00:00
parent 57025e65e1
commit 86f36027e4
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
test/hotspot/jtreg/gc/shenandoah/jni/TestPinnedGarbage.java
View File

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