Function: allocator_set_alloc_advise_func_to_desc

Applicability

Product	Supported (√/x)
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	√

Function Usage

Sets the callback function for allocating memory blocks based on recommended addresses when the user-provided allocator is used. This function is generally used in memory overcommitment scenario.

Prototype

C Prototype

aclError aclrtAllocatorSetAllocAdviseFuncToDesc(aclrtAllocatorDesc allocatorDesc, aclrtAllocatorAllocAdviseFunc func)

Python Function

ret = acl.rt.allocator_set_alloc_advise_func_to_desc(allocatorDesc, func)

Parameter Description

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 allocating memory blocks based on the recommended addresses. Callback function definition: def allocator_alloc_advise_func(allocator, size, addr): pass

Return Value Description

Return Value	Description
ret	Int, 0 on success; else, failure.

Parent topic: aclrtAllocatorDesc