sys_init

Applicability

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

Description

Initializes the low-level hardware of the media data processing system before processing media data such as images and videos.

Prototype

C Prototype
1

hi_s32 hi_mpi_sys_init(hi_void)
Python Function
1

ret = acl.himpi.sys_init()

Parameters

None

Return Value

Return Value	Description
ret	Int, error code. 0 indicates success. Other values indicate failures. For details, see Common Return Codes.

Restrictions

needs to be called after runtime resources are allocated. For details about the resource application process, see Runtime Resource Allocation and Deallocation.
In multi-process scenarios, all processes must call this API to implement initialization.
In a single process, repeated calls to this API return no failures.
If there are multiple devices, initialize each device by calling acl.himpi.sys_init.

Reference

For details about the API call sequence, see Media Data Processing V2.

Parent topic: Common APIs