Issues

• [question] CTran support roadmap and recommended integration after its removal from RCCLX

  meta-pytorch/torchcomms#4535 · Filter by author wenzhs opened on Oct 26, 2026

• [RFC] Add Ascend HCCL as a Native Communication Backend in torchcomms

  meta-pytorch/torchcomms#4467 · Filter by author jialinw77 opened on Oct 16, 2026

• What is the relationship between NCCLX and MCCL? Will NCCLX continue to evolve?

  meta-pytorch/torchcomms#4466 · Filter by author muclover opened on Oct 16, 2026

• 【Ctran】: CTRAN Communication Operator Performance Validation

  meta-pytorch/torchcomms#4146 · Filter by author lpj-x opened on Sep 15, 2026

• [Question] What is the relationship between PyTorch Symmetric Memory and Torchcomms? Are they redundant efforts?

  meta-pytorch/torchcomms#4073 · Filter by author muclover opened on Sep 9, 2026

• The examples link on the readme is broken

  meta-pytorch/torchcomms#3311 · Filter by author qqaatw opened on Jul 27, 2026

• Allow RdmaTransport construction without CUDA device (NIC name/index instead of torch.device)

  meta-pytorch/torchcomms#3169 · Filter by author Jeff-Bao opened on Jul 17, 2026

• uniflow._core compiled extension not included in torchcomms wheels (OSS CMake build)

  meta-pytorch/torchcomms#3168 · Filter by author Jeff-Bao opened on Jul 17, 2026

• RFC: Communicator Node-Rank Layout Discovery (NodeRankLayout)

  meta-pytorch/torchcomms#2976 · Filter by author pkourdis opened on Jun 24, 2026
  3

• On a clean(-er) PyTorch-Torchcomms integration

  meta-pytorch/torchcomms#2665 · Filter by author miEsMar opened on May 22, 2026

• [RFC] Torchcomms Performance Benchmarking: Migration Validation and Long-Term Monitoring

  meta-pytorch/torchcomms#2634 · Filter by author pkourdis opened on May 20, 2026
  2

• Build error about folly

  meta-pytorch/torchcomms#2516 · Filter by author wenzhs opened on May 13, 2026

• RFC: Enabling Compiler Feature Checks for Torchcomms

  meta-pytorch/torchcomms#2405 · Filter by author jemitche1 opened on May 6, 2026

• test

  meta-pytorch/torchcomms#2364 · Filter by author d4l3k opened on May 4, 2026
  1

• Does rcclx support CTran?

  question
  meta-pytorch/torchcomms#832 · Filter by author Mulbetty opened on Feb 25, 2026
  

• Compiling ncclx from source without conda

  meta-pytorch/torchcomms#549 · Filter by author castuardo opened on Feb 4, 2026
  2

• nccl_api_->winPut Error Using RMA Windows

  meta-pytorch/torchcomms#523 · Filter by author BenBrock opened on Feb 2, 2026
  7

  

• Error when using mem_allocator: 'torch._C._CUDAPluggableAllocator' object has no attribute 'alloc'

  meta-pytorch/torchcomms#410 · Filter by author BenBrock opened on Jan 26, 2026
  2

  

• Using both NCCL and NCCLX in the same script

  meta-pytorch/torchcomms#231 · Filter by author ghost opened on Jan 19, 2026
  6

• How to test the rcclx backend?

  meta-pytorch/torchcomms#230 · Filter by author Mulbetty opened on Jan 19, 2026
  2

• NCCLX-CTRAN functionality and setting DQPLB

  meta-pytorch/torchcomms#88 · Filter by author rzambre opened on Dec 10, 2025

• Question: about CTran Send Recv

  meta-pytorch/torchcomms#86 · Filter by author ryan-2333 opened on Dec 10, 2025

• Instruction for installing in editable mode .

  meta-pytorch/torchcomms#77 · Filter by author githubsgi opened on Dec 5, 2025
  1

• Null cast

  meta-pytorch/torchcomms#72 · Filter by author r-barnes opened on Dec 1, 2025
  1

• FR: wheels that support optional modules

  meta-pytorch/torchcomms#67 · Filter by author kiwi3shark opened on Nov 25, 2025