aclrtMemInvalidate
Applicable Products
Product |
Supported |
|---|---|
√ |
|
√ |
|
√ |
|
√ |
|
√ |
|
√ |
Function
Invalidates the data in the cache.
In this version, you do not need to care about the cache coherence between the CPU and NPU and therefore this API is unused in this version.
Prototype
1 | aclError aclrtMemInvalidate(void *devPtr, size_t size) |
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
devPtr |
Input |
Pointer to the start address of the DDR memory that needs cache invalidation. |
size |
Input |
DDR memory size, in bytes. size cannot be 0. |
Returns
0 on success; otherwise, failure. For details, see aclError.
Parent topic: Device Memory Allocation and Deallocation