AICORE Stress Test

Function

Perform a stress test on AICORE errors and output the diagnosis result.

**Table 1** Diagnostic items
Item	Time Required	Whether NPU Training or Inference Is Affected	Application Scenario
AICORE stress test	9–24 minutes	Yes	An AICORE error occurs when a training or inference job is executed.

The AICORE stress test and AICORE diagnosis apply to different scenarios. For details, see Table 1. Perform the AICORE stress test and AICORE diagnosis as required.
If you want to conduct the AICORE, full on-chip memory, and P2P stress tests at the same time, refer to One-Click Diagnosis.

Parameters

Table 2 lists only test-specific parameters. For details about other common parameters, see Common Parameters.

**Table 2** Parameter description
Parameter	Description	Mandatory
[-i, --items]	Specifies the diagnosis check item. aicore: AI Core error stress test	Yes
[-s, --stress]	Performs a stress test.	Yes
[-sc, --sc, --stress-count]	Specifies the number of AICORE stress tests. This parameter takes effect only when items is set to aicore. The value range is [1, 100].	No

Example

Example of setting the number of stress tests to 3:

ascend-dmi -dg -i aicore -s -sc 3 -q

[***@***]# ascend-dmi -dg -i aicore -s -sc 3 -q
Stress test is being performed, please wait.
Summary:
    Arch: aarch64
    Mode: ******
    Time: 20250529-19:51:09
 
Hardware:
    aicore:
        PASS

Fault Check Items

**Table 3** Fault check items
Command Output	Description
PASS	The stress test result is normal.
SKIP	The product or scenario does not support the AICORE stress test.
EMERGENCY_WARN	Emergency warning. Replace the hardware.
FAIL	The AICORE stress test fails. Contact Huawei technical support.

Parent topic: Stress Test