Intel IPP status 20 (ippStsNonIntelCpu): meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: IPP reported that the target processor is not identified as a Genuine Intel CPU.

Could be also:
Constant	Type	OS
ERROR_BAD_UNIT	Win32 error	Windows
KERN_INVALID_CAPABILITY	Kern return	Mac
ENOTDIR	errno	Any
CREATE_DELETE_LOCK_NOT_LOCKED	BugCheck Code	Windows

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ippStsDomain	ippStsCpuMismatch

ippStsNonIntelCpu

This is a runtime platform warning. It is about processor identification and dispatch policy, not about the function arguments supplied to a primitive.

For modern builds, record the IPP version and actual dispatch result instead of assuming that the primitive failed. Some applications treat platform warnings as informational while still accepting output data if the called function completed.

Diagnostic focus

Capture CPU vendor, feature mask, IPP version, and dispatched library layer.
Avoid using this warning as a proxy for correctness of numeric results.
Check whether the application or build policy intentionally restricts supported CPUs.

Intel IPP Error Reporting · Intel IPP CPU dispatching

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