Function: allocator_set_get_addr_from_block_func_to_desc

Applicable Products

Product

Supported (√/x)

Ascend 950PR/Ascend 950DT

√

Atlas A3 training products/Atlas A3 inference products

√

Atlas A2 training products/Atlas A2 inference products

√

Atlas training products

√

Atlas inference products

√

Atlas 200I/500 A2 inference products

√

Description

Sets the callback function for obtaining the device memory address based on the allocated block when the user-provided allocator is used.

Prototype

  • C Prototype
    1
    aclError aclrtAllocatorSetGetAddrFromBlockFuncToDesc(aclrtAllocatorDesc allocatorDesc, aclrtAllocatorGetAddrFromBlockFunc func)
    
  • Python Function
    1
    ret = acl.rt.allocator_set_get_addr_from_block_func_to_desc(allocatorDesc, func)
    

Parameters

Parameter

Description

allocatorDesc

Int, pointer address of the allocator descriptor. Call acl.rt.allocator_create_desc to set the allocator description in advance.

func

  • Callback function for obtaining the device memory address based on the allocated block.

    Callback function definition:

    def allocator_get_addr_from_block_func(block):
        pass

Return Values

Return Value

Description

ret

Int, 0 on success; else, failure.