Below abc is your Hyak userid and xyz is your Hyak group.
Use bbcp for high speed file transfer from a mac or linux machine to Hyak or lolo.
Some selected options:
-v gives verbose output
-s = Number of streams
-W = Window size
-P = reporting interval
File transfer from your desktop machine to lolo
In below command change the userid abc, the file name bigfile and the destination /archive/hyak/xyz/abc/mydir .
bbcp -v -s 64 -W 16M -P 10 bigfile email@example.com:/archive/hyak/xyz/abc/mydir
Here is the link to the bbcp home page: http://www.slac.stanford.edu/~abh/bbcp/
Here is the link to bbcp binaries for your desktop or laptop (The binary for Darwin is for a Mac): http://www.slac.stanford.edu/~abh/bbcp/bin/