https://bugzilla.samba.org/show_bug.cgi?id=13082
Bug ID: 13082
Summary: [REQ] Hardware / SSE based MD5 operations
Product: rsync
Version: 3.1.3
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P5
Component: core
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Hi,
I made some performance tests and ses that rsync can be a bottleneck while it
is calculating hashes of basis files (not a surprise).
For example, while I can read a big test file directly from the storage at 300
MB/s, rsync checksums it at about 200 MB/s.
Thus impact of calculating hashes for big files can be quite important (some
minutes for files of several hundreds of GB).
Then, what about MD5 implementation based on SSE ?
Do you think we would have a performance improvement ?
Thank you !
Ben
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