Ping
> On 18 Dec 2025, at 9:04 PM, Prachi Godbole <[email protected]> wrote:
>
> Ping
>
>> On 9 Dec 2025, at 3:12 PM, Prachi Godbole <[email protected]> wrote:
>>
>> A gentle ping
>>
>>> On 30 Oct 2025, at 10:42 AM, Prachi Godbole <[email protected]> wrote:
>>>
>>> This patch attempts to reduce compile time for locality cloning pass by
>>> reducing recursive calls to partition_callchain (). This is achieved by
>>> precomputing caller callee information into locality_info. locality_info
>>> stores all callees of a node, either directly or via inlined nodes thereby
>>> avoiding calls to partition_callchain () for inlined nodes which are already
>>> partitioned with their inlined_to nodes. locality_info stores precomputed
>>> accumulated incoming edge frequencies per unique caller and avoids repeated
>>> computation within partition_callchain (). It also stores preaccumulated
>>> and
>>> sorted outgoing edge frequencies for unique callees.
>>>
>>> This patch refines is_entry_node_p () check by calling local_p () instead of
>>> just alias check.
>>>
>>> Approximately 45% compile time improvement is observed for
>>> bootstrap-lto-locality config, and takes 2-5% more time on top of
>>> bootstrap-lto.
>>>
>>> This patch also handles appropriate memory management of pass specific data
>>> structures.
>>>
>>> Bootstrapped and tested on aarch64-none-linux-gnu.
>>> Ok for mainline?
>>>
>>> Thanks,
>>> Prachi
>>>
>>> Signed-off-by: Prachi Godbole <[email protected]>
>>>
>>> gcc/ChangeLog:
>>>
>>> * ipa-locality-cloning.cc (struct locality_callee_info): New struct.
>>> (struct locality_info): Ditto.
>>> (loc_infos): Ditto.
>>> (get_locality_info): New function.
>>> (sort_all_callees_default): Ditto.
>>> (callee_default_cmp): Ditto.
>>> (populate_callee_locality_info): Ditto.
>>> (populate_caller_locality_info): Ditto.
>>> (create_locality_info): Ditto.
>>> (adjust_recursive_callees): Access node_to_clone by reference.
>>> (inline_clones): Access node_to_clone and clone_to_node by reference.
>>> (clone_node_as_needed): Ditto.
>>> (accumulate_incoming_edge_frequency): Remove function.
>>> (clone_node_p): New function.
>>> (partition_callchain): Refactor the function.
>>> (is_entry_node_p): Call local_p ().
>>> (locality_determine_ipa_order): Call create_locality_info ().
>>> (locality_determine_static_order): Ditto.
>>> (locality_partition_and_clone): Update call to partition_callchain ()
>>> according prototype.
>>> (lc_execute): Allocate and free node_to_ch_info, node_to_clone,
>>> clone_to_node.
>>>
>>> <0002-PATCH-2-3-ipa-reorder-for-locality-Address-compile-t.patch>
>>
>
