HcclRankGraphGetEndpointNum

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

Obtains the number of endpoints in a topology instance.

HcclResult HcclRankGraphGetEndpointNum(HcclComm comm, uint32_t layer, uint32_t topoInstId, uint32_t *num)

Parameter

Input/Output

Description

comm

Input

Communicator.

The HcclComm type is defined as follows:

typedef void *HcclComm;

layer

Input

Topology layer ID.

topoInstId

Input

Topology instance ID.

num

Output

Number of returned endpoints.

HcclResult: HCCL_SUCCESS on success, or else failure.

None

HcclComm comm;
uint32_t layer = 0;
uint32_t topoInstId = 0;
uint32_t num = 0;
HcclRankGraphGetEndpointNum(comm, layer, topoInstId, &num);

Parent topic: Topology Information Query