On Friday, February 5, 2021 5:07:22 PM MSK you wrote:

Hi Sergej,

On Fri, Feb 5, 2021 at 7:44 AM Sergej Bauer [off-list ref] wrote:

quoted

Hi Sven
I can confirm great stability improvement after your patch
"lan743x: boost performance on cpu archs w/o dma cache snooping".

Test machine is Intel Pentium G4560 3.50GHz
lan743x with rejected virtual phy 'inside'

Interesting, so the speed boost patch seems to improve things even on
Intel...

Would you be able to apply and test the multi-buffer patch as well?
To do that, you can simply apply patches [2/6] and [3/6] on top of
what you already have.

Hi Sven
Tests after applying patches [2/6] and [3/6] are:
$ ifmtu eth7 500
$ sudo test_ber -l eth7 -c 1000 -n 1000000 -f500 --no-conf
...
number of sent packets      = 1000000
number of received packets  = 713288
number of lost packets = 286712
number of out of order packets = 0
number of bit errors   = 0
total errors detected  = 286712
bit error rate         = 0.286712
average speed: 427.8043 Mbit/s

$ ifmtu eth7 1500
$ sudo test_ber -l eth7 -c 1000 -n 1000000 -f500 --no-conf
...
number of sent packets      = 1000000
number of received packets  = 707869
number of lost packets = 292131
number of out of order packets = 0
number of bit errors   = 0
total errors detected  = 292131
bit error rate         = 0.292131
average speed: 431.0163 Mbit/s

$ sudo test_ber -l eth7 -c 1000 -n 1000000 -f1500 --no-conf
...
number of sent packets      = 1000000
number of received packets  = 1000000
number of lost packets = 0
number of out of order packets = 0
number of bit errors   = 0
total errors detected  = 0
bit error rate         = 0
average speed: 646.4932 Mbit/s

Keeping in mind that Bryan has identified an issue with the above
patch, which will get fixed in v2. So YMMV.

I'll perform tests with v2 as well.