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CCS/PROCESSOR-SDK-DRA8X-TDA4X: tidlModelImport out put is not same

shuai wang32
Genius 4770 points

Part Number: PROCESSOR-SDK-DRA8X-TDA4X

Tool/software: Code Composer Studio

Hi :

      i    am   using   psdk_rtos_auto_j7_06_02_00_21   SDK .

     i   follow   ti_dl/docs/user_guide_html/md_tidl_user_model_deployment.html       Getting Started with TI Deep Learning (TIDL) ecosystem         turn    MobileNetV2 Tensorflow model     and   run   test  program  both     on   pc  and   target   ,     output  in      ti_dl\test\testvecs\output      is   right.

      nut       i    problem   is       i   run      ./out/tidl_model_import.out ${TIDL_INSTALL_PATH}/ti_dl/test/testvecs/config/import/public/tensorflow/tidl_import_mobileNetv2.txt --numParamBits 15    many  times  

     but   the   out put  model   is  not  same ,     out  reslut  of  ./PC_dsp_test_dl_algo.out     is  all  right.

Thanks!

Shuai

  • 0
    TI__Mastermind 22145 points

    Hi Shuai.

    You issue description is not clear.

    Step 1 : Import

      ./out/tidl_model_import.out ${TIDL_INSTALL_PATH}/ti_dl/test/testvecs/config/import/public/tensorflow/tidl_import_mobileNetv2.txt --numParamBits 15

    Step - Inference on PC. -- Is this step working?

    /PC_dsp_test_dl_algo.out

    Steps 3: inference on EVM  -- are you observing issue in this step?

    /TI_DEVICE_dsp_test_dl_algo.out

  • 0 in reply to kumar.desappan
    Genius 4770 points

    Hi: kumar

                do     Step 1 : Import       get  output_model_1

                do     Step 1 : Import       again     get  output_model_2

                output_model_1   and   output_model_2   is   different,    i think   it   must   the  same.

               then   Step2 - Inference on PC.

                output_model_1   Step2 - Inference on PC.          get   result1

                output_model_2   Step2 - Inference on PC.          get   result2

               result1   and   result2   is   the  same.

              so    problem   is   why   output_model_1   and   output_model_2   is   different?

    Thanks!

    Shuai

  • 0 in reply to shuai wang32
    TI__Mastermind 22145 points

    Hi Shuai,

    The expectation is that inference result from multiple runs shall match. From your observation this expectation is met.

    Models files may be mismatching because of random initialization of unused parameters.