From-scratch RDMA-based PyTorch backend in C++; trained a char-level GPT on TinyShakespeare via DDP through code I wrote.
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Updated
May 1, 2026 - C++
From-scratch RDMA-based PyTorch backend in C++; trained a char-level GPT on TinyShakespeare via DDP through code I wrote.
UCX-based torch.distributed backend with MPI-style tag-matched send/recv (NCCL ignores tags) and collectives on CPU & CUDA.
Implement GPU collective communication using a custom PyTorch c10d backend built on libibverbs and softRoCE for distributed model training.
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