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PROCESSOR-SDK-DRA8X-TDA4X: [TIDL]BlackList in checkInnerProductLayers()

user4836286
Expert 1270 points

Part Number: PROCESSOR-SDK-DRA8X-TDA4X

Hello,

checkInnerProductLayers() has following code.
      /*
       * Blacklist (confirmed not support)
       */
      if(layer.inData[0].dimValues[0] != 1 ||
         layer.inData[0].dimValues[1] != 1 ||
         layer.inData[0].dimValues[2] != 1)
      {
        fatalError = true;
        printf("ERROR  : [TIDL_InnerProductLayer] %s input shape of inner product must be 1x1x1xN.\n", layerPC.name);
      }

Does it mean TIDL inner product doesn't support mutiple ROI inputs? 

Best regards,

WIlson.

  • 0
    TI__Expert 6335 points

    Hi Wilson,

    It means that the input layer must be flattened into a 1-D vector. Multiple ROI should still be supported as number of ROI would correspond to layer.inData[0].dimValues[3].

    regards,

    Victor

  • 0 in reply to Victor Cheng
    Expert 1270 points

    (This post was edited due to my misunderstanding.)

    Hi Victor,

    Could you explain in more detail?

    In my understanding, Input size must must be (ROI number) * (size of one ROI).

    If dimValues[3] has number of ROI and others are 1, then how to give (size of of one ROI)?

    Another code I can't understand is TIDL_tfOutReshapeIPLayer() 

      int32_t dataSize;

  dataSize = innerProductParams.numOutNodes *
             TIDLPCLayers.inData[0].dimValues[0] *
             TIDLPCLayers.inData[0].dimValues[1] *
             TIDLPCLayers.inData[0].dimValues[2] *
             TIDLPCLayers.inData[0].dimValues[3];

  if(TIDLPCLayers.weights.ptr == NULL ||
     TIDLPCLayers.weights.bufSize != dataSize)

    Weight number is numOutNdoes * (size of one ROI), so dimValues[3] can't have number of ROI.

    Stay safe and healthy

    Best regards,

    Wilson.

  • 0 in reply to user4836286
    TI__Mastermind 22085 points

    Hi Wilson,

    Multi ROI processing is not supported in the current version TIDL.

    We will clarify this in the user guide. Will also update regarding the plan regarding this feature in the documentation. 

  • 0 in reply to kumar.desappan
    Expert 1270 points

    Hi Kumar,

    Do you mean current FC(inner product) doesn't support multi ROI processing?? 

    Best regards,

    Wilson.

  • 0 in reply to user4836286
    TI__Mastermind 22085 points

    Hi Wilson,

    Yes FC doesn't support multi ROI processing now.

    Even the other layers also don't support multi ROI now.

    Will also update regarding the plan regarding this feature in the documentation.