ZConcatExt2FusionPass

Description

Splits the ConcatV2 operator with multiple inputs into multiple ConcatV2D operators. The number of ConcatV2D operators after fusion is determined based on the actual number of inputs according to a predefined calculation rule.

After fusion

Restrictions

• In the static shape scenario, the maximum number of inputs compiled for a single ConcatV2 operator is 63.
• In the dynamic shape scenario, the maximum number of inputs compiled for a single ConcatV2 operator is 48.
• In the binary scenario, the maximum number of inputs compiled for a single ConcatV2 operator is 32.
• The input data type cannot be complex64, complex128, or double.
• This fusion pattern cannot be disabled by default.

Availability

Atlas A2 training product/Atlas A2 inference product