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How should we handle PyTorch build flags in torch/headeronly for custom ops?

module: buildBuild system issuesBuild system issues

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#164786 In pytorch/pytorch;

· janeyx99 opened on Oct 6, 2025

Support torch._inductor.config.inplace_buffers for custom_op whenever possible

function requestA request for a new function or the addition of new arguments/modes to an existing function.A request for a new function or the addition of new arguments/modes to an existing function.

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: inductor

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#164696 In pytorch/pytorch;

· mayank31398 opened on Oct 5, 2025

Bug for "tensor constructor"-like custom op with no fake impl

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#163196 In pytorch/pytorch;

· angelayi opened on Sep 17, 2025

[RFC] library function with 64+ arguments

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: libraryRelated to torch.library (for registering ops from Python)Related to torch.library (for registering ops from Python)

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#162870 In pytorch/pytorch;

· tlsdmstn56 opened on Sep 13, 2025

custom op with torch.compile backward error when op has default arguments

module: autogradRelated to torch.autograd, and the autograd engine in generalRelated to torch.autograd, and the autograd engine in general

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#162687 In pytorch/pytorch;

· FindDefinition opened on Sep 11, 2025

Add some way to associate functional custom operators and their in-place out variants

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: inductor

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#161001 In pytorch/pytorch;

· zou3519 opened on Aug 19, 2025

PT2 Cache <> CustomOp issue

compile-cache

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#160472 In pytorch/pytorch;

· BoyuanFeng opened on Aug 12, 2025

torch.library.infer_schema doesn't have full support for list types

actionable

internal ramp-up taskTasks that are suitable for new folks w/ high-touch guidance from senior PyTorch folksTasks that are suitable for new folks w/ high-touch guidance from senior PyTorch folks

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

vllm-compile

Status: Open.

#160094 In pytorch/pytorch;

· zou3519 opened on Aug 7, 2025

Flash Attention 2 + Dynamo + FSDP accelerate plugin + torch.compile error

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

module: sdpaAll things related to torch.nn.functional.scaled_dot_product_attentiionAll things related to torch.nn.functional.scaled_dot_product_attentiion

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#158186 In pytorch/pytorch;

· martinambrus opened on Jul 12, 2025

Add a test to torch.library.opcheck for if a C++ meta kernel specializes on a symint

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: dynamic shapes

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#156622 In pytorch/pytorch;

· zou3519 opened on Jun 23, 2025

Additional Documentation About Size Checking with Custom Operators

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#155616 In pytorch/pytorch;

· asglover opened on Jun 10, 2025

OpOverloads should have annotations

module: custom-operatorscustom operators, custom ops, custom-operators, custom-opscustom operators, custom ops, custom-operators, custom-ops

module: dispatchDispatchStub, Type, void pointer table, c10 dispatchDispatchStub, Type, void pointer table, c10 dispatch

module: pt2-dispatcherPT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,PT2 dispatcher-related issues (e.g., aotdispatch, functionalization, faketensor, custom-op,

oncall: pt2

triagedThis issue has been looked at a team member, and triaged and prioritized into an appropriate moduleThis issue has been looked at a team member, and triaged and prioritized into an appropriate module

Status: Open.

#155386 In pytorch/pytorch;

· zou3519 opened on Jun 7, 2025