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I built CuQwen, a CUDA based inference engine for running Qwen models fast on a single GPU

For the last while I've been building CuQwen, a C++/CUDA inference engine for Qwen models written completely from scratch. No PyTorch, no existing runtime, just custom CUDA kernels I wrote and profiled myself. I wanted to see how fast a single user (batch size 1) can go on a normal consumer NVIDIA…

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  1. 2026-09-25 23:48 · r/learnmachinelearning
    I built CuQwen, a CUDA based inference engine for running Qwen models fast on a single GPU

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