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https://issues.apache.org/jira/browse/DAFFODIL-1778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213439#comment-17213439
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Mike Beckerle commented on DAFFODIL-1778:
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Reassigning to Ian Carlson who is working on a possibly related TDML Runner
issue (DAFFODIL-1300)
> TDML runner - even if you are only running one test uses huge compile memory.
> -----------------------------------------------------------------------------
>
> Key: DAFFODIL-1778
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1778
> Project: Daffodil
> Issue Type: Bug
> Components: TDML Runner
> Reporter: Mike Beckerle
> Assignee: IanCarlson
> Priority: Major
>
> Discovered when running the TDML tests for the link16 schema.
> Even if you select exactly one test using the eclipse GUI, and run only that
> one, it seems like the TDML runner is compiling many more top levels than
> that. Perhaps it is compiling top levels for every test in the TDML file?
> It's not clear what it is doing, but it certainly is using a ton more memory.
> I am not certain what is going wrong, but there is a huge discrepancy between
> the amount of space and time it takes to compile and run a single TDML test
> from a scala code file in src/test/scala, and the amount of time it takes to
> compile the same schema to binary file using the daffodil command line.
> Ex: For link16, from eclipse, select one test, run-as-junit-test: Uses almost
> 9Gbytes of memory (Had to increase JVM to 10Gig with -Xmx10G option) and
> takes 7 minutes (on my workstation).
> But the same schema, compiled from the daffodil command line for the same
> top-level element takes 90 seconds to compile and creates a 2.5Mbyte binary
> file.
> So, running the TDML runner is creating massively more memory usage. It is
> not clear why.
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