aclfvSet1NTopNum

Product	Supported
Ascend 950PR/Ascend 950DT	X
Atlas A3 training products/Atlas A3 inference products	X
Atlas A2 training products/Atlas A2 inference products	X
Atlas 200I/500 A2 inference products	X
Atlas inference products	√
Atlas training products	X

Sets the maximum number of results (topK) returned in the 1:N search mode. If it is not set, top 4800 results are returned by default.

Atlas inference accelerator module: This API is not supported.

aclError aclfvSet1NTopNum(aclfvInitPara *initPara, uint32_t maxTopNumFor1N)

Parameter	Input/Output	Description
initPara	Input and Output	Pointer to the initialization parameter for feature vector search. Call aclfvCreateInitPara to create data of the aclfvInitPara type in advance.
maxTopNumFor1N	Input	Maximum number of results (topK) returned in the 1:N search mode. Must be in the range of [2, 4800].

Parameter

Input/Output

Description

initPara

Input and Output

Pointer to the initialization parameter for feature vector search.

Call aclfvCreateInitPara to create data of the aclfvInitPara type in advance.

maxTopNumFor1N

Input

Maximum number of results (topK) returned in the 1:N search mode. Must be in the range of [2, 4800].

0 on success; otherwise, failure. For details, see aclError.

Parent topic: aclfvInitPara