Skip to content

8373722: [TESTBUG] compiler/vectorapi/TestVectorOperationsWithPartialSize.java fails intermittently #28960

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
XiaohongGong wants to merge 2 commits into
base: master
Choose a base branch
from
+7 −5
Open

8373722: [TESTBUG] compiler/vectorapi/TestVectorOperationsWithPartialSize.java fails intermittently #28960

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a44f551
8373722: [TESTBUG] compiler/vectorapi/TestVectorOperationsWithPartial…
XiaohongGong Dec 17, 2025
433efdd
Extend the float/double value range
XiaohongGong Dec 25, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 7 additions & 5 deletions test/hotspot/jtreg/compiler/vectorapi/TestVectorOperationsWithPartialSize.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,8 +76,12 @@ public class TestVectorOperationsWithPartialSize {

random.fill(random.ints(), ia);
random.fill(random.longs(), la);
random.fill(random.floats(), fa);
random.fill(random.doubles(), da);
// Use a range of 1~3000 for floating point values to keep the tests
// effectiveness while avoiding the large precision differences introduced
// by the add reduction APIs, especially since the Vector API does not
// guarantee a specific calculation order for such operations.
random.fill(random.uniformFloats(1.0f, 3000.0f), fa);
random.fill(random.uniformDoubles(1.0, 3000.0), da);
random.fill(random.uniformInts(0, ISPEC_128.length()), indices);
for (int i = 0; i < SIZE; i++) {
m[i] = i % 2 == 0;
Expand Down Expand Up @@ -160,7 +164,7 @@ private static int reduceLanes(int init, int[] arr, int vlen, binOpInt f) {
return result;
}

private static long reduceLanes(long init, long[] arr, int vlen,binOpLong f) {
private static long reduceLanes(long init, long[] arr, int vlen, binOpLong f) {
long result = init;
for (int i = 0; i < vlen; i++) {
result = f.apply(arr[i], result);
Expand Down Expand Up @@ -226,7 +230,6 @@ private static void verifyAddReductionFloat(float actual, float[] arr, int vlen)
float tolerance = Math.ulp(expected) * ROUNDING_ERROR_FACTOR_ADD;
if (Math.abs(expected - actual) > tolerance) {
throw new RuntimeException(
"assertEqualsWithTolerance" +
": expected " + expected + " but was " + actual +
" (tolerance: " + tolerance + ", diff: " + Math.abs(expected - actual) + ")"
);
Expand All @@ -243,7 +246,6 @@ private static void verifyAddReductionDouble(double actual, double[] arr, int vl
double tolerance = Math.ulp(expected) * ROUNDING_ERROR_FACTOR_ADD;
if (Math.abs(expected - actual) > tolerance) {
throw new RuntimeException(
"assertEqualsWithTolerance" +
": expected " + expected + " but was " + actual +
" (tolerance: " + tolerance + ", diff: " + Math.abs(expected - actual) + ")"
);
Expand Down