[MetaSchedule] AutoBind rule and MutateThreadBinding #11177
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junrushao
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The current meta-schedule uses a PostProc
RewriteUnboundBlockto auto-bind blocks to threads. However, it's a post proc, which means there are no search opportunities, and always splits withfactor=1024.This PR adds a new search rule called
AutoBindto do a similar thing to bind threads with sampled factors. Also with a corresponding mutator.After applying this rule, we get some positive perf results (on RTX-3080):
Element-wise: from 2.76 us to 2.48 us
Conv2d Winograd: from 29.45 us to 18.96 us (ansor 22.00 us)
Resnet18: from 0.591 ms to 0.531 ms (ansor 0.565 ms)
cc @junrushao1994 @zxybazh @comaniac