Function: get_op_start

C Prototype

uint64_t aclprofGetOpStart(const void *opInfo, size_t opInfoLen, uint32_t index)

Python Function

op_start = acl.prof.get_op_start(op_info, op_info_len, index)

Function Usage

Obtains the operator execution start time (ns).

You are advised to create a thread and call this API in the new thread. Otherwise, this API call will block the main thread.

Input Description

op_info: int, memory address of the operator information.

op_info_len: int, length of the operator information.

index: int, index of the operator whose name is to be obtained.

The value range is [0, Operator count – 1]. Call acl.prof.get_op_num to obtain the operator count.

Return Value

op_start: int, execution start time of the operator.

Reference

For the API call example, see Profile Data Collection.