Function: mem_invalidate
C Prototype |
aclError aclrtMemInvalidate(void *devPtr, size_t size) |
|---|---|
Python Function |
ret = acl.rt.mem_invalidate(dev_ptr, size) |
Function Usage |
Invalidates 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. |
Input Description |
dev_ptr: int, invalid cache corresponding to the DDR memory. size: int, DDR memory size, in bytes. The size cannot be 0. |
Return Value |
ret: int, error code.
|
Restrictions |
None |
Parent topic: Memory Management