Question regarding 8248521: TestVerifyIterativeGVN.java is failing with timeout

[Lindenmaier, Goetz]

Hi Fairoz,

Thanks for the info.

It's still unclear to me why the algorithm takes longer in 11
than in 15 ... but no matter.

Best regards,
  Goetz.

From: Fairoz Matte <fairoz.matte at oracle.com>
Sent: Friday, July 10, 2020 10:01 AM
To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>
Cc: hotspot-compiler-dev at openjdk.java.net
Subject: RE: Question regarding 8248521: TestVerifyIterativeGVN.java is failing with timeout

Hi Goetz,

This issue is only applicable to 11u.
After the fix of JDK-8246203,  which changed the algorithm for the verification used with VerifyIterativeGVN (takes more time)
We have adjusted timeout to 1200 from 600.

Thanks,
Fairoz

From: Lindenmaier, Goetz <goetz.lindenmaier at sap.com<mailto:goetz.lindenmaier at sap.com>>
Sent: Friday, July 10, 2020 12:11 PM
To: Fairoz Matte <fairoz.matte at oracle.com<mailto:fairoz.matte at oracle.com>>
Cc: hotspot-compiler-dev at openjdk.java.net<mailto:hotspot-compiler-dev at openjdk.java.net>
Subject: Question regarding 8248521: TestVerifyIterativeGVN.java is failing with timeout

Hi Fairoz,

we also see this test timing out on mac. But only so with
jdk11u.
Do you mind sharing how you fixed this? Did you just increase
the timeout, or did you figure out why this fails on mac in 11u?

Thanks,
  Goetz