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8251456: [TESTBUG] compiler/vectorization/TestVectorsNotSavedAtSafepoint.java failed OutOfMemoryError

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Removed allocation of large arrays to avoid OOME.

Reviewed-by: kvn, chagedorn
This commit is contained in:
Tobias Hartmann 2020-08-13 15:59:12 +02:00
parent d3776c7d30
commit 51b3bd2c2e
1 changed files with 13 additions and 13 deletions
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26
test/hotspot/jtreg/compiler/vectorization/TestVectorsNotSavedAtSafepoint.java
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@ -26,7 +26,7 @@
* @test
* @bug 8193518 8249608
* @summary C2: Vector registers are sometimes corrupted at safepoint
* @run main/othervm -XX:-BackgroundCompilation -XX:+UseCountedLoopSafepoints -XX:LoopStripMiningIter=1000 TestVectorsNotSavedAtSafepoint test1
* @run main/othervm -XX:-BackgroundCompilation -XX:+UseCountedLoopSafepoints -XX:LoopStripMiningIter=2 -XX:-TieredCompilation TestVectorsNotSavedAtSafepoint test1
* @run main/othervm -XX:-BackgroundCompilation TestVectorsNotSavedAtSafepoint test2
*/
@ -58,10 +58,13 @@ public class TestVectorsNotSavedAtSafepoint {
static class GarbageProducerThread extends Thread {
public void run() {
for(;;) {
// Produce some garbage and then let the GC do its work which will
// corrupt vector registers if they are not saved at safepoints.
Object[] arrays = new Object[1024];
for (int i = 0; i < arrays.length; i++) {
arrays[i] = new int[1024];
}
System.gc();
}
}
}
@ -72,23 +75,20 @@ public class TestVectorsNotSavedAtSafepoint {
garbage_producer.start();
if (args[0].equals("test1")) {
byte[] barray = new byte[10];
long[] larray1 = new long[1000];
long[] larray2 = new long[100_000_000];
for (int i = 0; i < 20_000; i++) {
test1(barray, barray, barray, larray1, -1);
}
for (int i = 0; i < 100; i++) {
test1(barray, barray, barray, larray2, -1);
if (larray2[larray2.length-1] != -1) {
System.out.println("Iter " + i + " Failed with " + Long.toHexString(larray2[larray2.length-1]));
throw new RuntimeException("Test1 failed");
byte[] bArr = new byte[10];
long[] lArr = new long[1000];
for (int i = 0; i < 10_000; ++i) {
test1(bArr, bArr, bArr, lArr, -1);
for (int j = 0; j < lArr.length; ++j) {
if (bArr[j % 10] != 0 || lArr[j] != -1) {
throw new RuntimeException("Test1 failed at iteration " + i + ": bArr[" + (j % 10) + "] = " + bArr[j % 10] + ", lArr[" + j + "] = " + lArr[j]);
}
}
}
} else {
int iArr[] = new int[100];
long lArr[] = new long[100];
for (int i = 0; i < 600_000; ++i) {
for (int i = 0; i < 10_000; ++i) {
test2(iArr, lArr);
for (int j = 0; j < lArr.length; ++j) {
if (iArr[j] != 1 || lArr[j] != 1) {