GetRankDim

Applicability

Product	Supported
Atlas 350 Accelerator Card	√
Atlas A3 training product/Atlas A3 inference product	√
Atlas A2 training product/Atlas A2 inference product	√
Atlas 200I/500 A2 inference product	x
Atlas inference product AI Core	x
Atlas inference product Vector Core	x
Atlas training product	x

Function Usage

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.

Constraints

None

Examples

For details, see the examples in GetWindowsInAddr.

Parent topic: HCCL Kernel APIs