Re: Broadcom BCM5788 jumbo frames? (FBSD 5.2.1)

From: Marian Durkovic (md_at_bts.sk)
Date: 04/06/04

  • Next message: Richard Wendland: "Re: FIN_WAIT_[1,2] and LAST_ACK" 
    Date: Tue, 6 Apr 2004 21:31:29 +0200
To: Mike Hunter <mhunter@ack.Berkeley.EDU>

    > While I have everybody's attention, what's a reasonable goal for
    > throughput between two of these cards? I broke through the 33mhz pci
    > barrier and am now getting iperf results of:

    Not sure about BCM chips, but good GE cards can do wire speed:

    Intel PRO/1000 - controller 82547EI integrated on motherboard ASUS P4C800-E
    (266 MByte/s CSA connection)

    Theoretical max: 941.482 Mbit/s
    TCP Window: 128 KB

     ./nttcp -T -n1000000 147.175.1.37
         Bytes Real s CPU s Real-MBit/s CPU-MBit/s Calls Real-C/s CPU-C/s
    l-198967296 34.81 7.68 941.3511 4267.6174 1000000 28727.76 130237.3
    1-198967296 34.81 5.00 941.3099 6557.3390 1114605 32018.70 223048.2

            M.

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  • Next message: Richard Wendland: "Re: FIN_WAIT_[1,2] and LAST_ACK"

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