Intel® Integrated Performance Primitives (Intel® IPP) Developer Guide and Reference

ID 790148
Date 10/31/2024
Public
Document Table of Contents

GetCpuFreqMhz

Estimates the processor operating frequency.

Syntax

IppStatus ippGetCpuFreqMhz(int* pMhz);

Include Files

ippcore.h

Parameters

pMhz

Pointer to the result.

Description

This function estimates the processor operating frequency and returns its value, in MHz as an integer stored in pMhz. The estimated value can vary depending on the processor workload.

NOTE:

To improve precision of the return value, this function accumulates CPU clocks. This operation takes several seconds and may result in long execution time.

Return Values

ippStsNoErr

Indicates no error.

ippStsNullPtrErr

Indicates an error condition when the pMhz pointer is NULL.