comaniac edited a comment on pull request #7975:
URL: https://github.com/apache/tvm/pull/7975#issuecomment-832870770
In summary:
(A) by @masahi: Turn the warning to DEBUG so that only the advance
developers would see it by purpose. We could of course add a paragraph of how
to enable this message in the tutorial.
(B) by @tkonolige: Improve the message to make it more informative. This is
also a valuable direction so I try to make it more concrete. First, we remove
the last scary sentence from the message:
```
WARNING autotvm:compile_engine.py:256 Missing config for target=llvm
-keys=cpu -link-params=0, workload=('conv2d_NCHWc.x86', ('TENSOR', (1, 1, 32,
32), 'float32'), ('TENSOR', (8, 1, 5, 5), 'float32'), (1, 1), (0, 0, 0, 0), (1,
1), 'NCHW', 'NCHW', 'float32').
```
Second, when we are about to display this warning for the first time, we
also display the message as Tristan mentioned:
```
One or more config are missing. Please tune your model for better
performance (link).
```
(C) by myself: Combine both options. That is, we only show the overall
warning once and put the detail schedule missing warnings to DEBUG.
```
One or more config are missing. Please tune your model for better
performance (link), or use DEBUG logging level to see more details.
```
@rkimball @mbrookhart @masahi @tkonolige what do you folks think?
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