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1. DeepSpeed DeepSpeed Public

   Forked from deepspeedai/DeepSpeed

   DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.

   Python

2. sktime sktime Public

   Forked from sktime/sktime

   A unified framework for machine learning with time series

   Python

3. Qwen-2.5-1.5B-GRPO Qwen-2.5-1.5B-GRPO Public

   Built an RL environment with verifiable rewards and post-trained a 1.5B model via GRPO, improving GSM8K pass@1 from 70.7% (SFT baseline) to 73.2% (+2.5 pts); implemented the full rollout→reward→adv…

   Python 1

4. minigrad minigrad Public

   Autograd engine written in raw C. No Python. No frameworks. No dependencies. Just backprop from first principles. 98.01% on MNIST.

   C