HPN-SSH
HPN-SSH improves the data transfer performance of the standard OpenSSH software.[1] It works as a drop-in replacement backend for rsync.
Installed Version
HPN-SSH 14v5 which patches OpenSSH 6.6p1 is available on Proteus. Use the modulefile:
hpnssh/6.6p1
How to Use
Please see, for example, documentation from Pittsburgh Supercomputing Center.[2]