While I’m tracking #426, I’d like to share some data on the abysmal throughput performance on ARM CPUs, if its perhaps helpful.
Both machines are of arm64
architecture, running the latest version of Tailscale (1.22.2
) as of writing and have a direct peer-to-peer connection, verified with tailscale status
.
Via Tailscale:
Reverse mode, remote host xxxxx is sending
[ 5] local 100.120.109.59 port 43240 connected to 100.83.6.75 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 5.55 MBytes 46.6 Mbits/sec
[ 5] 1.00-2.00 sec 2.43 MBytes 20.4 Mbits/sec
[ 5] 2.00-3.00 sec 1.08 MBytes 9.03 Mbits/sec
[ 5] 3.00-4.00 sec 723 KBytes 5.92 Mbits/sec
[ 5] 4.00-5.00 sec 859 KBytes 7.03 Mbits/sec
[ 5] 5.00-6.00 sec 890 KBytes 7.29 Mbits/sec
[ 5] 6.00-7.00 sec 807 KBytes 6.61 Mbits/sec
[ 5] 7.00-8.00 sec 911 KBytes 7.47 Mbits/sec
[ 5] 8.00-9.00 sec 1.05 MBytes 8.81 Mbits/sec
[ 5] 9.00-10.00 sec 868 KBytes 7.11 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.04 sec 17.4 MBytes 14.6 Mbits/sec 125 sender
[ 5] 0.00-10.00 sec 15.0 MBytes 12.6 Mbits/sec receiver
Without a VPN:
Reverse mode, remote host xxxxx is sending
[ 5] local 10.0.0.11 port 56740 connected to xxxxx port 23060
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 13.4 MBytes 112 Mbits/sec
[ 5] 1.00-2.00 sec 13.1 MBytes 110 Mbits/sec
[ 5] 2.00-3.00 sec 13.7 MBytes 115 Mbits/sec
[ 5] 3.00-4.00 sec 14.0 MBytes 118 Mbits/sec
[ 5] 4.00-5.00 sec 14.7 MBytes 123 Mbits/sec
[ 5] 5.00-6.00 sec 14.6 MBytes 122 Mbits/sec
[ 5] 6.00-7.00 sec 13.9 MBytes 116 Mbits/sec
[ 5] 7.00-8.00 sec 15.3 MBytes 129 Mbits/sec
[ 5] 8.00-9.00 sec 16.1 MBytes 135 Mbits/sec
[ 5] 9.00-10.00 sec 16.4 MBytes 138 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.04 sec 148 MBytes 124 Mbits/sec 928 sender
[ 5] 0.00-10.00 sec 145 MBytes 122 Mbits/sec receiver