webassembly-esp32c6

This is a experiment for running wasm (webassembly) on esp32c6.

webassembly runtime

wasm-micro-runtime has supported ESP32 ,ESP32C3 ,ESP32S3 ,ESP32C6
wasm3 has supported ESP32 ,ESP32C3 ,ESP32S3 ,ESP32C6

Hardware selection

I am using ESP32C6 :)

ESP32 ,ESP32C3 ,ESP32S3 also works.

Software setup

wamr

Setup esp-idf toolchain using the instructions here. Make sure that you add IDF_PATH to your user profile as mentioned here.
Clone wasm-micro-runtime from here. Set WAMR_PATH to this path in your user profile.
Install wasi-sdk as mentioned here.
- Its okay to use release downloads but it didn't work for me on Linux. I had to compile it.
- Set WASI_SDK_PATH in your profile correctly to the folder where the artifacts are untar'ed.### Software setup

wasm3

Setup esp-idf toolchain using the instructions here. Make sure that you add IDF_PATH to your user profile as mentioned here.
Clone Wasm3 engine git clone --depth=1 https://github.com/wasm3/wasm3.git ./wasm3 Set WASM3_PATH to this path in your user profile.
Install wasi-sdk as mentioned here.
- Its okay to use release downloads but it didn't work for me on Linux. I had to compile it.
- Set WASI_SDK_PATH in your profile correctly to the folder where the artifacts are untar'ed.### Software setup

Tutorial

WAMR

Step 1: Init

Remember to bring esp-idf into path,

$ export $IDF_PATH/export.sh

Clone this repo,

$ git clone https://github.com/TAOFOR4/webassembly-esp32c6.git
$ cd wamr

Step 2.a: Build wasm binary using clang

$ cd esp32c6-wasm-c
$ ./build.sh; cd ..

Step 2.b: Build wasm binary using Rust instead

$ cd esp32c6-wasm-rs
$ ./build.sh; cd ..

Step 3: Build IDF image and flash it

$ ./build_and_run.sh

Step 4: Check logs

$ idf.py monitor

WASM3

Step 1: Init

Remember to bring esp-idf into path,

$ export $IDF_PATH/export.sh

Clone this repo,

$ git clone https://github.com/TAOFOR4/webassembly-esp32c6.git
$ cd wasm3

Step 2.a: Build wasm binary using clang

$ cd esp32c6-wasm-c
$ ./build.sh; cd ..

Step 2.b: Build wasm binary using Rust instead

$ cd esp32c6-wasm-rs
$ ./build.sh; cd ..

Step 3: Build IDF image and flash it

$ ./build_and_run.sh

Step 4: Check logs

$ idf.py monitor

Result analysis

Execution time measurement

$ python capture_execution_time.py

Then check the output file 'capture_execution_time.txt'

Memory storage measurement

$ python capture_memory_storage.py

Then check the output file 'capture_memory_storage.txt'

Energy consumption measurement

Still ongoing. Two methods:

The easiest approach would be to let the device run and monitor your battery voltage, something similar to here
The more advanced way would be to invest in a device which can measure the current so that the user can do the calculation and estimate the power consumption. An example of using Power Profiler Kit II from Nordic

TAOFOR4/webassembly-esp32c6

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