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From Lianmin Zheng <notificati...@github.com>
Subject Re: [dmlc/tvm] [RFC][AUTOTVM] Auto-Schedule from Compute Declaration (#2954)
Date Wed, 03 Apr 2019 07:53:10 GMT
@jroesch Currently, it is about 500 loc per backend. I am working on improvements so it may
increase.

@yzhliu 
* simple reduction: reduction ops that do not have reuse opportunity (e.g. softmax, argmin)
* complex reduction: reduction ops that have reuse opportunity (e.g. matmul, conv2d
* direct compute: broadcast, elemwise, stencil computation, (e.g. relu, add)
* location-tunable compute: the same as above. The difference is that `direct compute` computes
at root, while `location-tunable compute` can computes at other nodes to increase locality.

@tmoreau89 This is doable. The problem of accelerators is that if we want the auto-scheduler
to take in a hardware-independent description, then we need a special pack pass to transform
the layout.



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