aclrtMemGetAllocationGranularity
Applicable Products
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Function
Queries the memory allocation granularity.
The system internally calculates the minimum granularity or recommended granularity based on the memory attribute information specified by the user and returns the granularity using the granularity parameter. This granularity can be used as a multiple for alignment, address size, or address mapping.
Prototype
1
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aclError aclrtMemGetAllocationGranularity(aclrtPhysicalMemProp *prop, aclrtMemGranularityOptions option, size_t *granularity) |
Parameters
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Parameter |
Input/Output |
Description |
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prop |
Input |
Physical memory attribute information. For details about the type definition, see aclrtPhysicalMemProp. |
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option |
Input |
Minimum granularity or recommended granularity. For details about the type definition, see aclrtMemGranularityOptions. |
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granularity |
Output |
Memory allocation granularity, in bytes. |
Returns
0 on success; otherwise, failure. For details, see aclError.