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Diffstat (limited to 'docs/use_cases/kws.md')
| -rw-r--r-- | docs/use_cases/kws.md | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/docs/use_cases/kws.md b/docs/use_cases/kws.md index a6daadb..5839947 100644 --- a/docs/use_cases/kws.md +++ b/docs/use_cases/kws.md @@ -10,8 +10,8 @@ - [Build process](#build-process) - [Add custom input](#add-custom-input) - [Add custom model](#add-custom-model) - - [Setting up and running Ethos-U55 code sample](#setting-up-and-running-ethos-u55-code-sample) - - [Setting up the Ethos-U55 Fast Model](#setting-up-the-ethos-u55-fast-model) + - [Setting up and running Ethos-U NPU code sample](#setting-up-and-running-ethos-u-npu-code-sample) + - [Setting up the Ethos-U Fast Model](#setting-up-the-ethos-u-fast-model) - [Starting Fast Model simulation](#starting-fast-model-simulation) - [Running Keyword Spotting](#running-keyword-spotting) @@ -78,11 +78,11 @@ In addition to the already specified build option in the main documentation, the - `kws_MODEL_TFLITE_PATH` - The path to the NN model file in `TFLite` format. The model is processed and then included into the application `axf` file. The default value points to one of the delivered set of models. Note that the - parameters `kws_LABELS_TXT_FILE`,`TARGET_PLATFORM`, and `ETHOS_U55_ENABLED` must be aligned with the chosen model. In + parameters `kws_LABELS_TXT_FILE`,`TARGET_PLATFORM`, and `ETHOS_U_NPU_ENABLED` must be aligned with the chosen model. In other words: - - If `ETHOS_U55_ENABLED` is set to `On` or `1`, then the NN model is assumed to be optimized. The model naturally + - If `ETHOS_U_NPU_ENABLED` is set to `On` or `1`, then the NN model is assumed to be optimized. The model naturally falls back to the Arm® *Cortex®-M* CPU if an unoptimized model is supplied. - - If `ETHOS_U55_ENABLED` is set to `Off` or `0`, then the NN model is assumed to be unoptimized. Supplying an + - If `ETHOS_U_NPU_ENABLED` is set to `Off` or `0`, then the NN model is assumed to be unoptimized. Supplying an optimized model in this case results in a runtime error. - `kws_FILE_PATH`: The path to the directory containing audio files, or a path to single WAV file, to be used in the @@ -149,6 +149,7 @@ For further information, please refer to: - [Using Arm Compiler](../sections/building.md#using-arm-compiler) - [Configuring the build for simple_platform](../sections/building.md#configuring-the-build-for-simple_platform) - [Working with model debugger from Arm Fast Model Tools](../sections/building.md#working-with-model-debugger-from-arm-fast-model-tools) +- [Building for different Ethos-U NPU variants](../sections/building.md#building-for-different-ethos-u-npu-variants) > **Note:** If re-building with changed parameters values, we recommend that you clean the build directory and re-run > the CMake command. @@ -239,7 +240,7 @@ After compiling, your custom inputs have now replaced the default ones in the ap The application performs inference using the model pointed to by the CMake parameter `kws_MODEL_TFLITE_PATH`. -> **Note:** If you want to run the model using an *Ethos-U55*, ensure that your custom model has been successfully run +> **Note:** If you want to run the model using an *Ethos-U*, ensure that your custom model has been successfully run > through the Vela compiler *before* continuing. For further information: [Optimize model with Vela compiler](../sections/building.md#Optimize-custom-model-with-Vela-compiler). @@ -283,15 +284,15 @@ custom_model_after_vela.tflite.cc After compiling, your custom model has now replaced the default one in the application. -## Setting up and running Ethos-U55 code sample +## Setting up and running Ethos-U NPU code sample -### Setting up the Ethos-U55 Fast Model +### Setting up the Ethos-U Fast Model The FVP is available publicly from [Arm Ecosystem FVP downloads](https://developer.arm.com/tools-and-software/open-source-software/arm-platforms-software/arm-ecosystem-fvps). -For the *Ethos-U55* evaluation, please download the MPS3 version of the Arm® *Corstone™-300* model that contains both -the *Ethos-U55* and *Cortex-M55*. The model is only supported on Linux-based machines. +For the *Ethos-U* evaluation, please download the MPS3 based version of the Arm® *Corstone™-300* model that contains *Cortex-M55* +and offers a choice of the *Ethos-U55* and *Ethos-U65* processors. To install the FVP: @@ -300,7 +301,7 @@ To install the FVP: - Run the install script in the extracted package: ```commandline -./FVP_Corstone_SSE-300_Ethos-U55.sh +./FVP_Corstone_SSE-300.sh ``` - Follow the instructions to install the FVP to the required location. @@ -423,7 +424,7 @@ On most systems running Fast Model, each inference takes under 30 seconds. The profiling section of the log shows that for this inference: -- *Ethos-U55* PMU report: +- *Ethos-U* PMU report: - 681,172 total cycle: The number of NPU cycles. @@ -432,12 +433,12 @@ The profiling section of the log shows that for this inference: - 561 idle cycles: The number of cycles for which the NPU was idle. - 217,385 AXI0 read beats: The number of AXI beats with read transactions from the AXI0 bus. AXI0 is the bus where the - *Ethos-U55* NPU reads and writes to the computation buffers, activation buf, or tensor arenas. + *Ethos-U* NPU reads and writes to the computation buffers, activation buf, or tensor arenas. - 82,607 write cycles: The number of AXI beats with write transactions to AXI0 bus. - 59,608 AXI1 read beats: The number of AXI beats with read transactions from the AXI1 bus. AXI1 is the bus where the - *Ethos-U55* NPU reads the model. So, read-only. + *Ethos-U* NPU reads the model. So, read-only. - For FPGA platforms, a CPU cycle count can also be enabled. However, do not use cycle counters for FVP, as the CPU model is not cycle-approximate or cycle-accurate. |