Add to ~/.ssh/config
:
Host *
# Enable persistent connection multiplexing
ControlMaster auto
ControlPath ~/.ssh/sockets/-%r@%h:%p
ControlPersist 600
{ | |
"action": "pageview", | |
"apikey": "mashable.com", | |
"campaign_id": "facebook", | |
"display": true, | |
"display_avail_height": 735, | |
"display_avail_width": 1280, | |
"display_pixel_depth": 24, | |
"display_total_height": 800, | |
"display_total_width": 1280, |
Latency Comparison Numbers Time Light Distance Approximate Light Distance | |
-------------------------- ---- -------------- -------------------------- | |
L1 cache reference 0.5 ns 0.15 m Diagonal across your smartphone | |
Branch mispredict 5 ns 1.5 m Height of Natalie Portman | |
L2 cache reference 7 ns 2.1 m Height of Shaq | |
Mutex lock/unlock 25 ns 7.5 m Height of a school flag pole | |
Main memory reference 100 ns 30 m Half a Manhattan city block (North/South) | |
Compress 1K bytes with Zippy 3,000 ns 900 m Width of Central Park | |
Send 1K bytes over 1 Gbps network 10,000 ns 3,000 m Width of Manhattan | |
Read 4K randomly from SSD* 150,000 ns 45,000 m NYC to Hempstead on Long Island |