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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10238) Loop optimization for SIMD in IfExprColumnColumn.txt
Date Wed, 12 Aug 2015 10:43:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14693303#comment-14693303
] 

Hive QA commented on HIVE-10238:
--------------------------------



{color:green}Overall{color}: +1 all checks pass

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12749981/HIVE-10238.2.patch

{color:green}SUCCESS:{color} +1 9348 tests passed

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4931/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4931/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-4931/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12749981 - PreCommit-HIVE-TRUNK-Build

> Loop optimization for SIMD in IfExprColumnColumn.txt
> ----------------------------------------------------
>
>                 Key: HIVE-10238
>                 URL: https://issues.apache.org/jira/browse/HIVE-10238
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Vectorization
>    Affects Versions: 1.1.0
>            Reporter: Chengxiang Li
>            Assignee: Teddy Choi
>            Priority: Minor
>         Attachments: HIVE-10238.2.patch, HIVE-10238.patch
>
>
> The ?: operator as following could not be vectorized in loop, we may transfer it into
mathematical expression.
> {code:java}
> for(int j = 0; j != n; j++) {
>       int i = sel[j];
>       outputVector[i] = (vector1[i] == 1 ? vector2[i] : vector3[i]);
>       outputIsNull[i] = (vector1[i] == 1 ?
>           arg2ColVector.isNull[i] : arg3ColVector.isNull[i]);
> }
> {code} 



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