Clifford Jansen created PROTON-2859:
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Summary: Improve performance of pn_buffer_t defrag
Key: PROTON-2859
URL: https://issues.apache.org/jira/browse/PROTON-2859
Project: Qpid Proton
Issue Type: Improvement
Components: proton-c
Affects Versions: proton-c-0.39.0
Reporter: Clifford Jansen
Assignee: Clifford Jansen
Currently the only optimization in defrag is a check in rotate to do skip
memory copies if the rotation amount is zero. Otherwise, the full capacity is
rotated one byte at a time, even if there is only one byte of content.
Propose to check if the data in the buffer is currently contiguous and only
move actual content via memmove.
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