feat: add optional GPU acceleration using backend abstraction #112

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Shrey45np wants to merge 1 commit into karpathy:master from Shrey45np:feat-gpu-backend

Shrey45np commented Dec 14, 2025

This PR adds an optional GPU backend to micrograd using a backend abstraction.

Key points:

Uses CuPy for GPU execution when available
Falls back to NumPy for CPU-only systems
Does not modify the core scalar autograd logic
Adds benchmarking and demo scripts for performance comparison

This is an experimental, opt-in performance enhancement intended for educational and exploratory use.


          feat: add optional GPU acceleration using backend abstraction

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