[TVM Discuss] [Questions] How to define search space an bypass some of them

[sunlex0717 via TVM Discuss <no...@discuss.tvm.ai>]

Hi guys:

Do we have some functions which I can use to bypass some configurations in pre-defined search space. 

For instance, If I I have three parameters should be tuned *p1*  ,*p2* , *p2*

Followed and auto-tuning tutorial, I should do something like 
```
cfg.define_knob("p1", [1, 2, 4])
cfg.define_knob("p2", [1, 2, 4])
cfg.define_knob("p3", [1, 2, 4])
```

In this case, we will have 3 x 3 x 3 = 27 configurations.

However, If I know that I will certainly not go to  p1 = 1 , p2 = 2 , p3 =3 because some known exteran hardware information. Then I can prune some configurations and reduce the 27-configuration search space to smaller one.

Do we have some auxiliary functions for this?
@merrymercy @tqchen 
Thank you





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[TVM Discuss] [Questions] How to define search space an bypass some of them

["Cody H. Yu via TVM Discuss" <no...@discuss.tvm.ai>]

We don’t support non-grid tuning space in AutoTVM. On the other hand, the new auto-scheduler that is being upstreamed will support symbolic tuning parameters with conditional expression.





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