Hi all,
On Fri, Apr 26, 2019 at 09:54:37AM +0200, Jonas Smedegaard wrote:
>
> So a summary of the tests is this:
>
> Board, cable mode, patchset \ Measured speed in Mbit/sec
> rev.G2 1Gbit mode pristine: 14 & 722
> rev.G2 1Gbit mode TX_DELAY=4: 428 & 774
> rev.C 1Gbit pristine: 1 & 526
> rev.C 100Mbit pristine: 94 & 94
> rev.C 1Gbit TX_DELAY=4: 61 & 141
> rev.C 100Mbit TX_DELAY=4: 89 & 89
>
I tried to reproduce the results for my rev.G2 board (2017), but could
not reproduce the bad performance. My results are:
ansible@blackbox:~$ iperf3 -c 192.168.122.1
Connecting to host 192.168.122.1, port 5201
[ 5] local 192.168.122.223 port 60618 connected to 192.168.122.1 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 70.0 MBytes 587 Mbits/sec 0 752 KBytes
[ 5] 1.00-2.00 sec 68.9 MBytes 578 Mbits/sec 0 923 KBytes
[ 5] 2.00-3.00 sec 67.4 MBytes 566 Mbits/sec 0 1012 KBytes
[ 5] 3.00-4.00 sec 65.7 MBytes 550 Mbits/sec 0 1.15 MBytes
[ 5] 4.00-5.00 sec 65.0 MBytes 546 Mbits/sec 0 1.21 MBytes
[ 5] 5.00-6.00 sec 68.8 MBytes 577 Mbits/sec 42 904 KBytes
[ 5] 6.00-7.00 sec 67.5 MBytes 564 Mbits/sec 0 929 KBytes
[ 5] 7.00-8.01 sec 52.5 MBytes 437 Mbits/sec 0 929 KBytes
[ 5] 8.01-9.00 sec 55.0 MBytes 465 Mbits/sec 0 1.08 MBytes
[ 5] 9.00-10.01 sec 56.2 MBytes 468 Mbits/sec 18 803 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 637 MBytes 534 Mbits/sec 60 sender
[ 5] 0.00-10.05 sec 637 MBytes 532 Mbits/sec
receiver
iperf Done.
ansible@blackbox:~$ iperf3 -c 192.168.122.1 -R
Connecting to host 192.168.122.1, port 5201
Reverse mode, remote host 192.168.122.1 is sending
[ 5] local 192.168.122.223 port 60622 connected to 192.168.122.1 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 94.0 MBytes 788 Mbits/sec
[ 5] 1.00-2.00 sec 106 MBytes 888 Mbits/sec
[ 5] 2.00-3.00 sec 108 MBytes 906 Mbits/sec
[ 5] 3.00-4.00 sec 111 MBytes 933 Mbits/sec
[ 5] 4.00-5.00 sec 111 MBytes 933 Mbits/sec
[ 5] 5.00-6.00 sec 111 MBytes 933 Mbits/sec
[ 5] 6.00-7.00 sec 111 MBytes 932 Mbits/sec
[ 5] 7.00-8.00 sec 111 MBytes 933 Mbits/sec
[ 5] 8.00-9.00 sec 108 MBytes 908 Mbits/sec
[ 5] 9.00-10.00 sec 109 MBytes 917 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.04 sec 1.06 GBytes 906 Mbits/sec 179 sender
[ 5] 0.00-10.00 sec 1.06 GBytes 907 Mbits/sec
receiver
iperf Done.
U-boot is the version from experimental, 2019.04+dfsg-2.
Regards,
Andi
