[GitHub] [tvm] codgeek edited a comment on issue #7301: [VTA][Relay] Reshape mismatch and Compile fail when running yolo-v3-tiny model in tutorial deploy_detection.py

[GitBox <gi...@apache.org>]

codgeek edited a comment on issue #7301:
URL: https://github.com/apache/tvm/issues/7301#issuecomment-761834331


   some new discoveries:
   After reset to version when yolo-v3-tiny from @huajsj  is merged [09c55fd1f3354d2280bb792a252590ac6bd68e58](https://github.com/apache/tvm/commit/09c55fd1f3354d2280bb792a252590ac6bd68e58).  the detection task works! Inference time on pynq Z1 is reduced to 615.49ms from 4520ms on arm_cpu version.  
   
   **As an strong infer , some  changes in 'Relay' might lead to the error on latest version wrote in the bug above.   could any  'good soul' offer some help ?**
   
   > Cannot find config for target=ext_dev -device=vta -keys=cpu -model=pynq_1x16_i8w8a32_15_15_18_17, workload=('conv2d_nchw_winograd.arm_cpu', A fallback configuration is used, which may bring great performance regression.
   > yolov3-tiny inference graph built in 14.41s!
   > Performed inference in 615.49ms (std = 0.02) for 1 samples
   > Average per sample inference time: 615.49ms
   


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