HcclGetRankSize

Description

Obtains the rank size of the current communicator.

Prototype

HcclResult HcclGetRankSize(HcclComm comm, uint32_t *rankSize)

Parameters

Parameter

Input/Output

Description

comm

Input

Communicator where the operation is performed.

For details about the definition of the HcclComm type, see HcclComm.

rankSize

Output

Pointer to the output address of the rank size of the specified communicator.

Returns

HcclResult: HCCL_SUCCESS on success; else, failure.

Constraints

None

Applicability

Atlas Training Series Product

Example

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uint32_t rankSize;
HcclComm comm;
HcclGetRankSize(comm, &rankSize);