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torch.distributed.pipelining fails on models having DynamicCache (esp. Llama)

Status: Open.

#171656 In pytorch/pytorch;

· hpcpony opened on Jan 3, 2026

Unexpected output when using CUDAExecutionProvider

Status: Open.

#171655 In pytorch/pytorch;

· ashok-arora opened on Jan 3, 2026

Teach TorchInductor to generate native <code>ldexp</code> code for CUDA and CPU backends instead of relying on the decomposition <code>x * pow(2, n)</code>.

actionable

Status: Open.

#171624 In pytorch/pytorch;

· cleonard530 opened on Jan 2, 2026

[inductor] convolution_backward meta kernel produces incorrect stride predictions for channels_last tensors

Status: Open.

#171622 In pytorch/pytorch;

· vmoens opened on Jan 2, 2026

Intel ultra core processor arc performance issues

Status: Open.

#171621 In pytorch/pytorch;

· Swagatade opened on Jan 2, 2026

Feedback about torch.autograd.graph.Node.next_functions

Status: Open.

#171620 In pytorch/pytorch;

· The-Plebsest-of-the-Plebs opened on Jan 2, 2026

Dynamo's Shape Inference forgets dynamic dimensions in a broadcasted operation after data propagation

Status: Open.

#171618 In pytorch/pytorch;

· Yosshi999 opened on Jan 2, 2026

cos CPU ops deterministic not ensured

Status: Open.

#171606 In pytorch/pytorch;

· ZhihaoLi1 opened on Jan 2, 2026

NotImplementedError when using AsyncCollectiveTensor with torch.func.jvp

Status: Open.

#171604 In pytorch/pytorch;

· KimbingNg opened on Jan 2, 2026

[MPS] grid_sampler_3d produces incorrect results with non-contiguous grid tensor

module: mpsRelated to Apple Metal Performance Shaders frameworkRelated to Apple Metal Performance Shaders framework

Status: Open.

#171602 In pytorch/pytorch;

· ctrlaltdilj opened on Jan 1, 2026

when using float as dict key, "unknown source ___as_tensor(self.key).item(), please file a bug"

oncall: pt2

Status: Open.

#171593 In pytorch/pytorch;

· ad8e opened on Jan 1, 2026

When does it make sense to compile DDP vs not?

Status: Open.

#171592 In pytorch/pytorch;

· conceptofmind opened on Jan 1, 2026