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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import sys, onnx, time
from tinygrad import TinyJit, Device, GlobalCounters, fetch, getenv
from tinygrad.frontend.onnx import OnnxRunner
from extra.onnx_helpers import get_example_inputs, validate
def load_onnx_model(onnx_file):
onnx_model = onnx.load(onnx_file)
run_onnx = OnnxRunner(onnx_model)
run_onnx_jit = TinyJit(lambda **kwargs: next(iter(run_onnx({k:v.to(Device.DEFAULT) for k,v in kwargs.items()}).values())), prune=True)
return run_onnx_jit, run_onnx.graph_inputs
if __name__ == "__main__":
onnx_file = fetch(sys.argv[1])
run_onnx_jit, input_specs = load_onnx_model(onnx_file)
print("loaded model")
for i in range(3):
new_inputs = get_example_inputs(input_specs)
GlobalCounters.reset()
print(f"run {i}")
run_onnx_jit(**new_inputs)
# run 20 times
for _ in range(20):
new_inputs = get_example_inputs(input_specs)
GlobalCounters.reset()
st = time.perf_counter()
out = run_onnx_jit(**new_inputs)
mt = time.perf_counter()
val = out.numpy()
et = time.perf_counter()
print(f"enqueue {(mt-st)*1e3:6.2f} ms -- total run {(et-st)*1e3:6.2f} ms")
if getenv("ORT"):
validate(onnx_file, new_inputs, rtol=1e-3, atol=1e-3)
print("model validated")