ZSplitFusionPassV2

Description

Decomposes a Split node with output count exceeding the limit into a hierarchical cascade of Split/SplitV nodes.

Even decomposition

Uneven decomposition

Restrictions

• This fusion pattern takes effect when num_split of the Split node exceeds the maximum output limit.
• This fusion pattern cannot be disabled.

Availability

Atlas A2 training product/Atlas A2 inference product