FrozenGene opened a new issue #5215: [AutoTVM] AutoTVM incorrect measurement
URL: https://github.com/apache/incubator-tvm/issues/5215
 
 
   Our AutoTVM use `debug_skip_region` to skip our precompute stage (like 
precompute kernel). However, `debug_skip_region` can not reflect practical 
running, which just only create empty tensor for it. Empty tensor will make 
AutoTVM record the performance incorrect. This condition will become worse like 
Winograd. In Winograd, our weight shape will be changed from (KH, KW, CO, CI) 
to (alpha, alpha, CO, CI). Alpha equals to `tile_size + KH - 1`. If tile_size 
is 4 (KH is 3), then alpha is 6. So to avoid this issue, we should avoid using 
`debug_skip_region` in all platforms of AutoTVM template and use the technique 
like this PR: https://github.com/apache/incubator-tvm/pull/5200.
   
   Open this issue to track this.

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