{
    "error_type": "unsupported_op_npu",
    "description": "算子在NPU设备上未实现",
    "error_patterns": [
        "op not supported: Split is not implemented for NPU device",
        "kernel not found for op type Split on NPU",
        "NPU: operator 'Split' is not supported",
        "算子 Split 在NPU上不支持",
        "[ERROR] Split kernel not found on NPU",
        "operator Split failed on NPU device"
    ],
    "diagnosis": {
        "cause": "模型中包含的算子在NPU设备上没有对应的实现kernel",
        "check_points": [
            "MindSpore Lite算子支持列表中NPU是否支持该算子",
            "是否有其他设备(CPU/GPU)支持该算子",
            "算子是否有替代实现方式(如Split->Slices)"
        ]
    },
    "suggestions": [
        "尝试使用CPU或GPU设备运行: --device=CPU 或 --device=GPU",
        "使用ohos_runtime_op_fix工具修复ONNX模型中不支持的算子",
        "查看MindSpore Lite算子支持列表确认NPU支持情况"
    ],
    "example_log": "[ERROR] op not supported: operator 'Split' is not implemented for NPU device. No kernel found for this operator type on NPU. Please switch to CPU/GPU or use ohos_runtime_op_fix to replace with Slices.",
    "operators": ["Split", "Mod", "TopK", "OneHot", "Where"],
    "device": "NPU",
    "replacement_available": {
        "Split": {
            "strategy": "split_to_slices",
            "description": "将Split算子替换为多个Slice算子"
        },
        "Mod": {
            "strategy": "mod_to_sub_mul_div",
            "description": "将Mod算子替换为Sub+Mul+Div组合"
        }
    }
}