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https://issues.apache.org/jira/browse/DAFFODIL-2921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dave Thompson closed DAFFODIL-2921.
-----------------------------------
Verified the specified commit (commit 67eef7e042e2da50cdd4e663c05eddc34219a580)
is included in the latest pull from the daffodil repository.
Verified, via review, changes identified in the commit comment were
implemented.
Verified the affected daffodil subproject sbt test suites executed successfully.
Verified the nightly test suite executes successfully with no unexpected
failures.
> Default CLI to MappedByteBuffer when parsing files instead of a
> FileInputStream
> -------------------------------------------------------------------------------
>
> Key: DAFFODIL-2921
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2921
> Project: Daffodil
> Issue Type: Improvement
> Components: CLI, Performance
> Affects Versions: 3.8.0
> Reporter: Steve Lawrence
> Priority: Major
> Fix For: 3.9.0
>
>
> The ByteBufferInputSource is a bit faster than the BucketingInputSource so
> when parsing files we should mmap them to a ByteBuffer and use the faster
> InputSource. Note only does would this take advantage of
> ByteBufferInputSource performance, it would also take advantage of
> optimizations of mmap-ing files, which should be more performant than a
> FileInputStream.
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