What runs where?

bpsh 0 zcat hugefile.gz | grep "^x" > x
- Master NFS daemon reads hugefile.gz
- zcat runs on slave 0
- grep runs on the master
bpsh 0 zcat hugefile.gz | bpsh 1 grep "^x" > x
- Master NFS daemon reads hugefile.gz
- zcat runs on slave 0
- grep runs on slave 1
- Pipe runs through master

bpsh 0 zcat hugefile.gz | grep "^x" > x