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In a multi-GPU DDP environment, if the loss on one rank is NaN while the others are normal, could this cause the all-reduce to hang?
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1
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61
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November 12, 2025
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RPC cannot run in jetson orin because of the specific uuid of orin
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3
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114
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November 11, 2025
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Distributed Training causes model to output NaN values after resuming from snapshot
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0
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35
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November 7, 2025
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Pipeline Parallelism performance with distributed-rpc on Jetson Nano devices
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3
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1158
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November 6, 2025
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Problem: Pipeline Parallelism with distributed-rpc on Jetson Nano devices
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1
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231
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October 28, 2025
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FSDP2 and gradient w.r.t. inputs
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2
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114
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October 28, 2025
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Using Symmetric Memory One Shot All Reduce
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1
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781
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October 27, 2025
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Tensor parallelism in image models like Unet
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4
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543
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October 27, 2025
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Windows DDP on RTX 50-series only: use_libuv was requested but PyTorch was built without libuv support (works on 40/20-series)
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0
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534
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October 25, 2025
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CPU thread slow to enqueue GPU and communication kernels
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2
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147
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October 20, 2025
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Get `state_dict` from `DataDistributedParallel` model while other thread is running `backward`
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0
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32
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October 19, 2025
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Suggested design for multiprocess federated learning
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1
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489
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October 13, 2025
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Use fsdp training, 80 h800 gpu can run success, but 160 h800 gpu oom
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0
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27
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October 11, 2025
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I am running the below code, which is wrong, but still the torch run command runs without any errors? How do I debug this?
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3
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80
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October 6, 2025
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Using debugpy with DDP results in driver leaking GPU memory
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1
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70
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October 2, 2025
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Model.to(device) vs. tensor.to(device)
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3
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357
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September 28, 2025
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Does torch support custom stream for nccl commucation now?
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5
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228
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September 28, 2025
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"Cannot allocate memory" for multinode training
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2
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64
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September 23, 2025
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How to apply selective activation checkpointing on _grouped_mm
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0
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152
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September 20, 2025
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DistributedDataParallel init hangs
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1
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271
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September 20, 2025
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Process stuck by the dist.barrier() using DDP after dist.init_process_group
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2
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509
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September 20, 2025
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Proper way to call torch.distributed.send/recv
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4
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155
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September 18, 2025
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Understanding relation of FSDP and TP
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0
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106
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September 16, 2025
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Support for Ulysses/Ring distributed attention for long-context training (32k) for 32B dense models
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0
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264
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September 15, 2025
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WebDataset Multi-GPU Single-Node
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3
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471
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September 15, 2025
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DDP overwriting a buffer with random values
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1
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50
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September 15, 2025
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Low-level errors when retrying training after OOMs
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3
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219
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September 12, 2025
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Proper way to combine Tensor subclass with FSDP
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2
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84
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September 8, 2025
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Cannot execute loss.backward() for training a specific layer
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1
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63
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September 8, 2025
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DDP does not work with custom gradient (backward) computations
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3
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190
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September 5, 2025
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