๐Ÿค– AI / Machine Learning28 min

Designing a Deep Learning Framework: Autograd, Tensors & GPU Acceleration

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Muhammad Asim Chattha

Software Developer & Cybersecurity Researcher

#Deep Learning#CUDA#Autograd#GPU Computing#Python

Building your own deep learning framework is the ultimate way to understand how PyTorch and TensorFlow work internally.

Framework Components

  • **Tensor Library**: N-dimensional array operations with broadcasting, indexing, and stride-based memory layout
  • **Autograd Engine**: Reverse-mode automatic differentiation with a dynamic computation graph and gradient checkpointing
  • **NN Modules**: Sequential, Linear, Conv2d, BatchNorm, Dropout โ€” implementing forward and backward passes
  • **Optimizers**: SGD with momentum, Adam, AdamW, and learning rate schedulers (cosine, one-cycle)
  • **CUDA Backend**: Writing custom CUDA kernels with cuBLAS and cuDNN integration
  • **Data Pipeline**: Dataset and DataLoader abstractions with prefetching and multiprocessing
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