meta-pytorch/torchcomms

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torchcomms: a modern PyTorch communications API

Stars: 396
Forks: 190
Open beginner issues: 0
Indexed issues: 36

Dominant language: C++
License: BSD-3-Clause
Last GitHub push: Sep 20, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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36 open issues indexed

【Ctran】: CTRAN Communication Operator Performance Validation Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

meta-pytorch/torchcomms#4146 · Opened Sep 15, 2026
[Question] What is the relationship between PyTorch Symmetric Memory and Torchcomms? Are they redundant efforts? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

meta-pytorch/torchcomms#4073 · Opened Sep 9, 2026
The `examples` link on the readme is broken Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

meta-pytorch/torchcomms#3311 · Opened Jul 27, 2026
Allow RdmaTransport construction without CUDA device (NIC name/index instead of torch.device) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

meta-pytorch/torchcomms#3169 · Opened Jul 17, 2026
uniflow._core compiled extension not included in torchcomms wheels (OSS CMake build) Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

meta-pytorch/torchcomms#3168 · Opened Jul 17, 2026
RFC: Communicator Node-Rank Layout Discovery (`NodeRankLayout`) Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

meta-pytorch/torchcomms#2976 · 3 comments · Opened Jun 24, 2026
On a clean(-er) PyTorch-Torchcomms integration Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

meta-pytorch/torchcomms#2665 · Opened May 22, 2026
[RFC] Torchcomms Performance Benchmarking: Migration Validation and Long-Term Monitoring Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

meta-pytorch/torchcomms#2634 · 2 comments · Opened May 20, 2026
Build error about folly Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

meta-pytorch/torchcomms#2516 · Opened May 13, 2026
RFC: Enabling Compiler Feature Checks for Torchcomms Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

meta-pytorch/torchcomms#2405 · Opened May 6, 2026
test Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

meta-pytorch/torchcomms#2364 · 1 comment · Opened May 4, 2026
Does rcclx support CTran? Open

question

meta-pytorch/torchcomms#832 · 1 assignee · Opened Feb 25, 2026
Compiling ncclx from source without conda Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

meta-pytorch/torchcomms#549 · 2 comments · Opened Feb 4, 2026
`nccl_api_->winPut` Error Using RMA Windows Open

meta-pytorch/torchcomms#523 · 7 comments · 1 assignee · Opened Feb 2, 2026
Error when using `mem_allocator`: '`torch._C._CUDAPluggableAllocator`' object has no attribute '`alloc`' Open

meta-pytorch/torchcomms#410 · 2 comments · 1 assignee · Opened Jan 26, 2026
Using both NCCL and NCCLX in the same script Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

meta-pytorch/torchcomms#231 · 6 comments · Opened Jan 19, 2026
How to test the rcclx backend? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

meta-pytorch/torchcomms#230 · 2 comments · Opened Jan 19, 2026
NCCLX-CTRAN functionality and setting DQPLB Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

meta-pytorch/torchcomms#88 · Opened Dec 10, 2025
Question: about CTran Send Recv Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

meta-pytorch/torchcomms#86 · 1 reaction · Opened Dec 10, 2025
Instruction for installing in editable mode . Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

meta-pytorch/torchcomms#77 · 1 comment · Opened Dec 5, 2025
Null cast Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

meta-pytorch/torchcomms#72 · 1 comment · Opened Dec 1, 2025
FR: wheels that support optional modules Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

meta-pytorch/torchcomms#67 · Opened Nov 25, 2025
How to build with RCCLX? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

meta-pytorch/torchcomms#66 · 4 comments · 1 reaction · Opened Nov 22, 2025
How to use C++ API with NCCLX? Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

meta-pytorch/torchcomms#61 · 1 comment · Opened Nov 18, 2025
Extremely high HBM usage Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

meta-pytorch/torchcomms#59 · Opened Nov 14, 2025
[Question] Multiple Vendor GPU Support Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

meta-pytorch/torchcomms#56 · Opened Nov 13, 2025
support dynamo/compile in torchcomms Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

meta-pytorch/torchcomms#55 · 1 comment · Opened Nov 12, 2025
Named Symbol not Found Error on B200 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

meta-pytorch/torchcomms#50 · 2 reactions · Opened Nov 9, 2025
How to use rcclx Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

meta-pytorch/torchcomms#44 · 2 comments · Opened Nov 5, 2025
Question: Is it possible to get rid of `conda` when compiling? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

meta-pytorch/torchcomms#26 · 5 comments · Opened Oct 30, 2025
Request for reproduction script TP+GEMM overlapping in "Collective Communication for 100k+ GPUs" Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

meta-pytorch/torchcomms#24 · 1 comment · Opened Oct 29, 2025
libglog and libfmt linkage fails due to looking for static, not shared, libs Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

meta-pytorch/torchcomms#21 · 6 comments · Opened Oct 28, 2025
Question About the "Scaling to 100K+ GPUs" Design Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

meta-pytorch/torchcomms#20 · 3 comments · Opened Oct 28, 2025
Question: NCCLX Simulation - CPU Emulation Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

meta-pytorch/torchcomms#16 · 1 comment · Opened Oct 27, 2025
Question: Is straggler analyzer implementation planned for open-sourcing? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

meta-pytorch/torchcomms#11 · 1 comment · Opened Oct 24, 2025
Question: Layering of various Communication libraries Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

meta-pytorch/torchcomms#10 · 3 comments · Opened Oct 24, 2025

meta-pytorch/torchcomms

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