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RTOS: VPE link drops frames in tidl_OD Usecase

Gouri Patil
Intellectual 505 points

Tool/software: TI-RTOS

Hi,

I have tried to run tidl_OD usecase with trained MobileNet SSD model for resolution 512x512.

Below is the usecase .txt file:

UseCase: chains_tidlOD

NullSource -> Decode -> VPE -> Dup

Dup -> Merge

Dup -> Alg_tidlpreproc (A15)

Alg_tidlpreproc (A15) -> Alg_tidl_Eve1 (EVE1)
Alg_tidlpreproc (A15) -> Alg_tidl_Eve2 (EVE2)
Alg_tidlpreproc (A15) -> Alg_tidl_Eve3 (EVE3)
Alg_tidlpreproc (A15) -> Alg_tidl_Eve4 (EVE4)

Alg_tidl_Eve1 (EVE1) -> Merge_OD (DSP1)
Alg_tidl_Eve2 (EVE2) -> Merge_OD (DSP1)
Alg_tidl_Eve3 (EVE3) -> Merge_OD (DSP1)
Alg_tidl_Eve4 (EVE4) -> Merge_OD (DSP1)
Merge_OD (DSP1) -> Alg_tidl_Dsp (DSP1) -> Merge

Merge -> Sync -> Alg_ObjectDraw -> Display

GrpxSrc -> Display_Grpx

But the VPE link drops many frames.

In Sync link , the delta and threshold values are 10 and 6000.

Please find attached print statistics and .c file of usecase for the reference.

Please assist to solve this issue.

tidl_OD_usecase.zip

Regards,

Gouri Patil.