RFR (XS) 8208100: compiler/graalunit/JttLangMathALTest.java times out intermittently on Linux-X64

[dean.long at oracle.com]

On 8/29/18 2:11 AM, Doug Simon wrote:
> When running these tests on Graal tip against JDK 11, I get:
>
> mx --java-home=/Library/Java/JavaVirtualMachines/jdk-11.jdk/Contents/Home unittest org.graalvm.compiler.jtt.lang.Math
> ...
> 10 longest running test classes:
>       21.115 ms    org.graalvm.compiler.jtt.lang.Math_log10
>       11.921 ms    org.graalvm.compiler.jtt.lang.Math_log
>       10.460 ms    org.graalvm.compiler.jtt.lang.Math_sqrt
>        3.525 ms    org.graalvm.compiler.jtt.lang.Math_pow
>        1.937 ms    org.graalvm.compiler.jtt.lang.Math_sin
>        1.689 ms    org.graalvm.compiler.jtt.lang.Math_tan
>        1.550 ms    org.graalvm.compiler.jtt.lang.Math_exp
>        1.537 ms    org.graalvm.compiler.jtt.lang.Math_cos
>        1.526 ms    org.graalvm.compiler.jtt.lang.Math_abs
>          338 ms    org.graalvm.compiler.jtt.lang.Math_round
> 10 longest running tests:
>       10.583 ms    run7(org.graalvm.compiler.jtt.lang.Math_log)
>       10.335 ms    run7(org.graalvm.compiler.jtt.lang.Math_sqrt)
>        3.468 ms    run11(org.graalvm.compiler.jtt.lang.Math_pow)
>        1.666 ms    run5(org.graalvm.compiler.jtt.lang.Math_sin)
>        1.533 ms    run5(org.graalvm.compiler.jtt.lang.Math_tan)
>        1.519 ms    run8(org.graalvm.compiler.jtt.lang.Math_exp)
>        1.456 ms    run3(org.graalvm.compiler.jtt.lang.Math_cos)
>        1.371 ms    run7(org.graalvm.compiler.jtt.lang.Math_abs)
>        1.024 ms    run0(org.graalvm.compiler.jtt.lang.Math_log)
>           84 ms    run0(org.graalvm.compiler.jtt.lang.Math_sin)
>
> All seems as expected.
>
> I wanted to try it against JDK tip but https://bugs.openjdk.java.net/browse/JDK-8209301 means GitHub Graal cannot be compiled against the latest JDK:
>
> /Users/dsimon/graal/graal/compiler/src/jdk.tools.jaotc/src/jdk/tools/jaotc/AOTCompiledClass.java:77: error: cannot find symbol
>              this.metadataName = type.isAnonymous() ? "anon<" + classId + ">" : type.getName();
>                                      ^
>    symbol:   method isAnonymous()
>    location: variable type of type HotSpotResolvedObjectType
> 1 error
>
> To fix this, AOTCompiledClass.java will either have to use reflection to access HotSpotResolvedObjectType.isAnonymous[Unsafe]Anonymous or a jdk12 versioned project will have to be added.

It looks like they forgot to rename getHostClass(), so we could replace 
uses of isAnonymous() with getHostClass() != null.  I think I added 
isAnonymous() first and then getHostClass() was added later.

dl

> -Doug
>
>> On 29 Aug 2018, at 10:08, Ekaterina Pavlova <ekaterina.pavlova at oracle.com> wrote:
>>
>> I meant org.graalvm.compiler.jtt.lang.Math_log and org.graalvm.compiler.jtt.lang.Math_sqrt
>>
>>
>> On 8/29/18 1:05 AM, Ekaterina Pavlova wrote:
>>> org.graalvm.compiler.jtt.lang.Math_log and org.graalvm.compiler.jtt.lang.Math_log always were more than 10 times slower than other org.graalvm.compiler.jtt.lang.Math tests. But I agree, lets wait what Graal team will say regarding this slowness.
>>> thanks,
>>> -katya
>>> On 8/28/18 3:30 PM, Vladimir Kozlov wrote:
>>>> Before increase timeout Labs should look on this test and investigate it strange behavior - last iteration takes long time:
>>>>
>>>>     run5: Passed 228.9 ms
>>>>     run6: Passed 145.7 ms
>>>>     run7: Passed 833395.5 ms
>>>> org.graalvm.compiler.jtt.lang.Math_log finished 836029.5 ms
>>>>
>>>> Thanks,
>>>> Vladimir
>>>>
>>>> On 8/27/18 9:03 AM, Ekaterina Pavlova wrote:
>>>>> Hi All,
>>>>>
>>>>> compiler/graalunit/JttLangMathALTest.java continues to timeout on slow machines.
>>>>> Increased default timeout (120 seconds) in twice. Please review.
>>>>>
>>>>>       JBS: https://bugs.openjdk.java.net/browse/JDK-8208100
>>>>>    webrev: http://cr.openjdk.java.net/~epavlova/8208100/webrev.00/index.html
>>>>> testing: Tested by running the test 10 times on all platforms.
>>>>>
>>>>>
>>>>> thanks,
>>>>> -katya