---
title: aclDeviceInfo
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_1406.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_1406.html
indexId: 781ceae385c36e086927216e7340029ed1e555bb9dcb64f026882a7f451d591468
---
# aclDeviceInfo

```
typedef enum {
    ACL_DEVICE_INFO_UNDEFINED = -1,       // 未知规格
    ACL_DEVICE_INFO_AI_CORE_NUM = 0,      // AI Core数量
    ACL_DEVICE_INFO_VECTOR_CORE_NUM = 1,  // Vector Core数量
    ACL_DEVICE_INFO_L2_SIZE = 2           // L2 Buffer大小，单位Byte
} aclDeviceInfo;
```