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TMDS64GPEVM: Ethernet Transmit Speed is Low

Onur Bay
Intellectual 310 points

Part Number: TMDS64GPEVM

Hello,

I made iperf3 tests on TMDS64GPEVM. When I set TMDS64GPEVM as server and host pc as a client, I can see approx. 920Mbit/s speed but If I set TMDS64GPEVM as a client and host pc as server, I see 500-700Mbit/s speeds and the speed is not stable.

TMDS64GPEVM is connected on eth0 (DP83867).

 I'm using rt wic image from Processor SDK version 08.02.00.23 on SD card.

  • 0
    TI__Mastermind 40180 points

    Hi,

    This documentation link is from the SDK guide. Could you please try the commands listed here to see if you are seeing the same numbers?

    Best Regards,

    Schuyler

  • 0 in reply to Schuyler Patton
    Intellectual 310 points

    Hi,

    Results of the tests:

    MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.42.0.102 () port 0 AF_INET : histogram : interval
Recv   Send    Send                          Utilization       Service Demand
Socket Socket  Message  Elapsed              Send     Recv     Send    Recv
Size   Size    Size     Time     Throughput  local    remote   local   remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

131072  16384  16384    60.00       554.19   70.88    1.52     20.955  3.606
MIGRATED TCP MAERTS TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.42.0.102 () port 0 AF_INET : histogram : interval
Recv   Send    Send                          Utilization       Service Demand
Socket Socket  Message  Elapsed              Recv     Send     Recv    Send
Size   Size    Size     Time     Throughput  local    remote   local   remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

131072  16384  16384    60.00       924.16   95.92    1.38     17.005  1.950