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Posted to dev@tvm.apache.org by Zhuwenxi via Apache TVM Discuss <no...@discuss.tvm.ai> on 2021/11/03 07:21:45 UTC

[Apache TVM Discuss] [Development/pre-RFC] [RFC][Tensorize] Add "reduce_last" property for TensorIntrin to support activation fusion


**Motivation:**

Existing `TensorIntrin` has "reduce_init" and "reduce_update" to support the tensorization of reduce_axis == 0 and reduce_axis > 0 specifically, which is already well suited for many cases. However, the support for activation fusion is still missing, because it lacks of facilities to handle reduce_axis = reduce_dim - 1 case. For example:
<pre>

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