---
title: aclrtMemGranularityOptions
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_1404.html
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indexId: 47f264609a11d8d90fdf3a6d63378d1b34264eed219f2cfd151942c7e31d47b768
---
# aclrtMemGranularityOptions

```
typedef enum aclrtMemGranularityOptions {
    ACL_RT_MEM_ALLOC_GRANULARITY_MINIMUM,
    ACL_RT_MEM_ALLOC_GRANULARITY_RECOMMENDED,
    ACL_RT_MEM_ALLOC_GRANULARITY_UNDEF = 0xFFFF,
} aclrtMemGranularityOptions;
```