{
"error_type": "quant_accuracy_error",
"description": "INT8量化后精度不达标",
"error_patterns": [
"accuracy threshold exceeded: expected <0.1, got 0.35",
"cosine distance: 0.85 (threshold: 0.99)",
"precision loss detected after quantization",
"量化精度下降: 输出差异过大",
"verification failed: quantized model accuracy below threshold"
],
"diagnosis": {
"cause": "INT8量化导致模型精度损失超过预期阈值",
"check_points": [
"量化校准数据集是否合理",
"量化参数配置是否正确",
"模型中是否有不适合量化的敏感层"
]
},
"suggestions": [
"检查量化校准数据集是否合理且覆盖典型输入",
"考虑使用混合精度量化或部分量化",
"不使用量化重新转换模型对比精度差异"
],
"example_log": "[WARNING] quant accuracy error: INT8 quantization caused significant precision loss. Cosine distance between FP32 and INT8 outputs: 0.85 (threshold: 0.99). Accuracy threshold exceeded. Consider adjusting calibration data or using mixed precision."
}