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https://issues.apache.org/jira/browse/OPENNLP-1113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeffrey T. Zemerick closed OPENNLP-1113.
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> Identify why some eval tests fail on AMD processors
> ---------------------------------------------------
>
> Key: OPENNLP-1113
> URL: https://issues.apache.org/jira/browse/OPENNLP-1113
> Project: OpenNLP
> Issue Type: Test
> Affects Versions: 1.8.1
> Reporter: Jeffrey T. Zemerick
> Assignee: Jeffrey T. Zemerick
> Priority: Minor
> Fix For: 1.9.3
>
> Attachments: failure.txt, success.txt
>
>
> When running the eval-tests for the 1.8.1 tag some of the tests consistently
> fail on an EC2 instance. On another virtual machine the tests consistently
> pass. When the tests fail the failures are consistent with the following:
> {quote}Failed tests:
>
> ArvoresDeitadasEval.evalPortugueseChunkerQnMultipleThreads:208->chunkerCrossEval:128
> expected:<0.9649180953528779> but was:<0.9650518197155942>
>
> ArvoresDeitadasEval.evalPortugueseSentenceDetectorMaxentQn:143->sentenceCrossEval:90
> expected:<0.99261110833375> but was:<0.9927505074644777>
> Conll02NameFinderEval.evalSpanishOrganizationMaxentQn:390->eval:90
> expected:<0.682961897915169> but was:<0.6798418972332015>
> ConllXPosTaggerEval.evalSwedishMaxentQn:152->eval:76
> expected:<0.9347595473833098> but was:<0.9322842998585573>{quote}
> Both systems are Ubuntu 16.04.2 running OpenJDK 1.8.0_131 but there must be
> some other differences affecting the tests. Those differences need to be
> identified.
> *VM1 (Tests Consistently _Pass_)*
> Apache Maven 3.3.9
> Maven home: /usr/share/maven
> Java version: 1.8.0_131, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-1022-aws", arch: "amd64", family: "unix"
> LANG=en_US.UTF-8
> *VM2 (Tests Consistently _Fail_)*
> Apache Maven 3.3.9
> Maven home: /usr/share/maven
> Java version: 1.8.0_131, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-83-generic", arch: "amd64", family: "unix"
> LANG=en_US.UTF-8
> This VM also consistently fails when using Oracle JDK:
> Java version: 1.8.0_131, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-oracle/jre
> *VM3 (Tests Consistently _Pass_)*
> Apache Maven 3.3.9
> Maven home: /usr/share/maven
> Java version: 1.8.0_131, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-83-generic", arch: "amd64", family: "unix"
> *VM4 (Tests Consistently _Fail_)*
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
> 2015-11-10T11:41:47-05:00)
> Maven home: C:\Program Files (x86)\maven\bin\..
> Java version: 1.8.0_92, vendor: Oracle Corporation
> Java home: C:\Program Files\Java\jdk1.8.0_92\jre
> Default locale: en_US, platform encoding: Cp1252
> OS name: "windows 10", version: "10.0", arch: "amd64", family: "dos"
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