---
title: aclrtMemGranularityOptions
description: "| 数据格式 | 说明 |"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclpythondevg_01_0970.html
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indexId: 6ffd5e8bdb5cbce46ae6ccdbc5a752a8000eb1fab7cdefab10a06228f7732e9471
---
# aclrtMemGranularityOptions

| 数据格式 | 说明 |
| --- | --- |
| ACL\_RT\_MEM\_ALLOC\_GRANULARITY\_MINIMUM = 0 | 最小内存粒度。 |
| ACL\_RT\_MEM\_ALLOC\_GRANULARITY\_RECOMMENDED = 1 | 推荐内存粒度。 |
| ACL\_RT\_MEM\_ALLOC\_GRANULARITY\_UNDEF = 0xFFFF | 未定义。 |