openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.

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#!/usr/bin/env bash
cd "$(dirname "$0")"
# prereq: install emscripten: https://emscripten.org/docs/getting_started/downloads.html
EMSCRIPTEN_PATH=~/emsdk/emsdk_env.sh
source $EMSCRIPTEN_PATH
step="transformer"
initial_memory=6553600
max_memory=1500053504
exported_functions='["_net", "_malloc", "_free", "_set_buf"]'
emcc "${step}.c" \
-O3 -msimd128 -ffast-math -flto \
-o "${step}.js" \
-s MODULARIZE=1 \
-s EXPORT_ES6=1 \
-s EXPORTED_FUNCTIONS="${exported_functions}" \
-s ENVIRONMENT='worker' \
-s FILESYSTEM=0 \
-s EVAL_CTORS \
-s ALLOW_MEMORY_GROWTH=1 \
-s INITIAL_MEMORY="$initial_memory" \
-s MAXIMUM_MEMORY="$max_memory"