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TRT 11 MD Ops#4321

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pytorch:mainfrom
jloftin-nv:dev-jloftin-trt-11-md-ops
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TRT 11 MD Ops#4321
jloftin-nv wants to merge 5 commits into
pytorch:mainfrom
jloftin-nv:dev-jloftin-trt-11-md-ops

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@jloftin-nv jloftin-nv commented Jun 4, 2026 •
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Description

Adds support for TRT 11 Multi-Device (MD) ops: All to All, Scatter, and Gather, along with tests

Type of change

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  • New feature (non-breaking change which adds functionality)

Checklist:

  • My code follows the style guidelines of this project (You can use the linters)
  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas and hacks
  • I have made corresponding changes to the documentation
  • I have added tests to verify my fix or my feature
  • New and existing unit tests pass locally with my changes
  • I have added the relevant labels to my PR in so that relevant reviewers are notified

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meta-cla Bot commented Jun 4, 2026

Hi @jloftin-nv!

Thank you for your pull request and welcome to our community.

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@github-actions github-actions Bot added component: tests Issues re: Tests component: lowering Issues re: The lowering / preprocessing passes component: conversion Issues re: Conversion stage component: core Issues re: The core compiler component: converters Issues re: Specific op converters component: api [Python] Issues re: Python API component: dynamo Issues relating to the `torch.compile` or `torch._dynamo.export` paths labels Jun 4, 2026
@narendasan narendasan requested a review from apbose June 4, 2026 21:08
narendasan
narendasan reviewed Jun 5, 2026
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Comment thread py/torch_tensorrt/dynamo/conversion/impl/nccl_ops.py
raise


def nccl_gather_native(
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@narendasan narendasan Jun 5, 2026

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I think instead of the large try and accepts, we could have a decorator similar to the ones here just to keep the code clean https://github.com/pytorch/TensorRT/blob/main/py/torch_tensorrt/_features.py

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@narendasan narendasan narendasan left review comments

@apbose apbose Awaiting requested review from apbose

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component: api [Python] Issues re: Python API component: conversion Issues re: Conversion stage component: converters Issues re: Specific op converters component: core Issues re: The core compiler component: dynamo Issues relating to the `torch.compile` or `torch._dynamo.export` paths component: lowering Issues re: The lowering / preprocessing passes component: tests Issues re: Tests

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