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NDK OS tasks performace for C6748.

Anatoly Odler
Expert 1870 points
Other Parts Discussed in Thread: OMAPL138

Hello,

We are developing a network application for C6748 with NDK_2_20_04_26. We are going to run our DSP on 375MHz clock and the mDDR on ~133-150 MHz.

Where can I find a technical reference for DSP device performance related to NDK OS.LIB tasks (threads) for differrent throughput or bitrate?

Is there any application TI does provide for this purposes for C6748?

Thank you.

Anatoly.

  • 0
    Expert 1870 points

    Does somebody have a clue?

  • 0 in reply to Anatoly Odler
    TI__Mastermind 45025 points

    Unfortunately, there are no benchmarks available for this version of the NDK or for the DM6748 hardware platform.

    Are you using DSP/BIOS 5.x?  If so, you can find some benchmark info in the NDK 2.0.0 product (assuming you have that to get the DM6748 ethernet driver).

    The benchmarks there can give you a rough idea.  They were run using a DM648 and C6452.

    They can be found here:

    ndk_2_0_0/packages/ti/ndk/docs/evmdm648/readme.htm

    Steve

  • 0 in reply to Steven Connell
    Expert 1870 points

    Thank you for the response.

    Steven Connell said:

    The benchmarks there can give you a rough idea.  They were run using a DM648 and C6452.

    They can be found here:

    ndk_2_0_0/packages/ti/ndk/docs/evmdm648/readme.htm

    Do you mean that I can not rely to these benchmarks?

     

    Steven Connell said:

    Are you using DSP/BIOS 5.x?  If so, you can find some benchmark info in the NDK 2.0.0 product (assuming you have that to get the DM6748 ethernet driver).

    Yes, I'm using the BIOS_5_41_10_36. But the ethernet driver is not from the NDK 2_20_04_26 pack, but it is included in NSP 1 pack (for omap L-138) alongside with the examples.

  • 0 in reply to Anatoly Odler
    TI__Mastermind 45025 points

    Hi Anatoly,

    I apologize, I actually got your hardware platform confused with another one.  However the answer is still the same, there are no benchmarks available for the NDK for the OMAPL138, either.

    The latest ones we have available were run on the DM642, C6455 and DM6437.  You can find them here:

    http://www.ti.com/lit/an/spraaq5a/spraaq5a.pdf

    Steve