GetRankDim

Applicability

Product	Supported
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas 200I/500 A2 inference products	x
Atlas inference product's AI Core	x
Atlas inference product's Vector Core	x
Atlas training products	x

Function

Obtains the number of ranks in a communicator. By default, this API works on all cores. You can also specify a core by setting GetBlockIdx before calling this API.

Prototype

__aicore__ inline uint32_t GetRankDim()

Parameters

None

Returns

Number of cards in a communicator.

Restrictions

None

Example

For details, see the examples in GetWindowsInAddr.

Parent topic: HCCL Kernel APIs