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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