guberti commented on issue #10237:
URL: https://github.com/apache/tvm/issues/10237#issuecomment-1155540747
You create a `LocalBuilder` object with the following, but I believe this is
what `micro_autotune.py` does already:
```python
RUNTIME = tvm.relay.backend.Runtime("crt", {"system-lib": True})
builder = tvm.autotvm.LocalBuilder(
n_parallel=1,
build_kwargs={"build_option": {"tir.disable_vectorize": True}},
do_fork=False,
build_func=tvm.micro.autotvm_build_func,
runtime=RUNTIME,
)
```
I've got a few ideas for similar issues that could cause the same error, but
I don't have a Zephyr board with me to test right now. @mehrdadh would know the
most. However, [here's a
link](https://gist.github.com/guberti/67bda65c792df408bb87260a2b110700) to a
Gist showing a working autotune script for microTVM on Arduino, which may be
useful as a cross reference. I've also [linked a
model](https://github.com/apache/tvm/files/8902826/quantized.zip) which I know
works with the script, so we can ensure that's not the issue
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