Steve Lawrence created DAFFODIL-1860:
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Summary: Minimize the number of HashMap allocations/insertions in
the Infoset
Key: DAFFODIL-1860
URL: https://issues.apache.org/jira/browse/DAFFODIL-1860
Project: Daffodil
Issue Type: Bug
Components: Back End
Reporter: Steve Lawrence
Assignee: Steve Lawrence
Priority: Normal
Fix For: 2.1.0
Performance testing found that the slot removal made in DAFFODIL-1854 caused
performance degradation, sometimes up to 20% decreases. Profiling found that
some of this is due to the allocations of the HashMap used for quickly looking
up elements in the Infoset by QName. We should only allocate hashmaps when it's
possible an element could be be used in an expression, which should improve
performance.
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