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https://issues.apache.org/jira/browse/SYSTEMML-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm updated SYSTEMML-2395:
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Description: The new rewrite for IPA dead code elimination has an issue of
marking hops as visited leading to a combinatorical explosion when traversing
large and complex DAGs. (was: The constant folding rewrite hangs on a complex
JMLC application after SYSTEMML-2390 has been introduced.
{code}
CP°exp°-9.25·SCALAR·DOUBLE·true°_Var161·SCALAR·DOUBLE
CP°mvvar°_Var161°__cf_tmp
# hanging
{code})
Summary: IPA hanging on large compiling large JMLC prepared script
(was: Constant folding hanging after instruction execution)
> IPA hanging on large compiling large JMLC prepared script
> ---------------------------------------------------------
>
> Key: SYSTEMML-2395
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2395
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Priority: Major
>
> The new rewrite for IPA dead code elimination has an issue of marking hops as
> visited leading to a combinatorical explosion when traversing large and
> complex DAGs.
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