Bug ID: JDK-8323641 Test compiler/loopopts/superword/TestAlignVectorFuzzer.java timed out

Type: Bug
Component: hotspot
Sub-Component: compiler
Affected Version: 23

Priority: P4
Status: Resolved
Resolution: Fixed

Submitted: 2024-01-12
Updated: 2024-05-23
Resolved: 2024-01-15

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JDK 23
23 b06Fixed

Test: compiler/loopopts/superword/TestAlignVectorFuzzer.java#VerifyAlignVector-NoTieredCompilation-Xbatch

ITERATION 2 of 5. Test testDDBCFH, time allowance: 3407, until timeout: 71407
410416  366    b        compiler.loopopts.superword.TestAlignVectorFuzzer::testDDBCFH (1237 bytes)
Timeout signalled after 480 seconds
TEST PASSED: hit maximal time allownance during iteration 2, time allowance: -82130, until timeout: -14130
----------System.err:(1/15)----------
STATUS:Passed.

I'm assuming the test was okay with hitting this "maximal time allownance" but it still timed out at the jtreg level.

Changeset: cd0fe377 Author: Emanuel Peter <epeter@openjdk.org> Date: 2024-01-15 10:44:01 +0000 URL: https://git.openjdk.org/jdk/commit/cd0fe377417be65dbf1338d8b47da8817985c7d8
15-01-2024
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/17389 Date: 2024-01-12 08:22:54 +0000
12-01-2024
Yes, it seems I may need to increase the margins at the end. The test seems to have basically recognized that it is going to run out of time (and shut down in a controlled way), and just as it did, the test was signaled the timeout. Aargh.
12-01-2024
ILW = Intermittent test timeout, single test, no workaround = MLH = P4 [~epeter] can you have a look?
12-01-2024

Relates :	JDK-8332765 - Test compiler/loopopts/superword/TestAlignVectorFuzzer.java still times out after JDK-8327978
Relates :	JDK-8327978 - C2 SuperWord: Fix compilation time regression in dependency graph traversal after JDK-8325651
Relates :	JDK-8310190 - C2 SuperWord: AlignVector is broken, generates misaligned packs