UlrikHjort-Bosch commented on issue #10237:
URL: https://github.com/apache/tvm/issues/10237#issuecomment-1156435308
> 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
Thanks for you reply. For some reason there was no runtime parameter in my
micro_autotune.py. I went to the tutorial page and could see it was there in
the example. I downloaded micro_autotune.py again from there and now it
suddenly have the parameter and all works fine when I run it. I dont know if it
have been updated lately ?
Just FYI I attached the non working micro_autotune.py (had to rename it to
.txt to be able to attach)
[micro_autotune.txt](https://github.com/apache/tvm/files/8909421/micro_autotune.txt)
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