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diff --git a/docs/sections/faq.md b/docs/sections/faq.md index 6330164..5578ead 100644 --- a/docs/sections/faq.md +++ b/docs/sections/faq.md @@ -42,3 +42,17 @@ parameter. Check that the path is correct, clean the build folder and re-run the However, when running code samples on Corstone-300 FVP, active CPU cycles should not be used for any performance analysis or interpretation. The Cortex-M part of the Fast Model **is not** cycle accurate or approximate, meanwhile NPU (Ethos-U) part **is** cycle approximate. If you need to interpret cycles for Cortex-M part, you need to use FPGA system (based on MPS3) or cycle accurate modelling environment. + +---- + +**Q: I changed the model for a use case but when running the application, tensor allocation fails with an error that an op for a +builtin opcode could not be found and the application failed to get registration from that op code.** + +**A:** If you change the default model for a use case to a new model then you should update the corresponding +*<model_name>Model.cc* source file to include any new operators that this model has. + +For example, if you changed the **img_class** model you would need to modify the **arm::app::MobileNetModel::EnlistOperations()** +function in *source/use_case/img_class/src/MobileNetModel.cc* to enlist any new operators in the model. + +Don't forget to also increment the **ms_maxOpCnt** variable in the corresponding header file +(e.g. *source/use_case/img_class/include/MobileNetModel.hpp* if we are changing **img_class**).
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