Function: set_sys_param_opt

Applicability

Product	Supported (√/x)
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas training products	√
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

Function Usage

Sets the value of a runtime parameter in the current process. After this API is called to set the runtime parameter value, you can call acl.rt.get_sys_param_opt to obtain the parameter value.

This API applies to processes, whereas acl.rt.ctx_set_sys_param_opt applies to contexts.

Prototype

C Prototype

aclErroraclrtSetSysParamOpt(aclrtSysParamOpt opt, int64_t value)

Python Function

ret = acl.rt.set_sys_param_opt(opt, value)

Parameter Description

Parameter	Description
opt	Int, runtime system parameter. For details, see aclSysParamOpt.
value	Int, runtime parameter value.

Return Value Description

Return Value	Description
ret	Int, 0 on success; else, failure.

Restrictions

If this API is called for multiple times, the last setting is used.

Parent topic: Runtime Configuration