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An optimized video diffusion system that leverages custom CUDA kernels to achieve significant performance improvements over baseline implementations and implement custom optimizations for critical operations including attention mechanisms, temporal convolutions, and denoising samplers.

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Kash6/VideoDiffusionCUDA

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Video Diffusion CUDA Optimization

High-performance video generation pipeline with custom CUDA kernel optimizations for Stable Video Diffusion.

Project Overview

This project implements custom CUDA kernels to optimize video diffusion models, achieving:

  • 2-3x speedup on attention operations
  • 30-40% overall latency reduction
  • 8-12 FPS on NVIDIA T4 GPU (Google Colab free tier)

Hardware Requirements

  • GPU: NVIDIA T4 (16GB) - available free on Google Colab
  • CUDA: 12.2+ (pre-installed on Colab)
  • Python: 3.10+

Project Structure

video_diffusion_cuda/
├── src/                    # Source code
│   ├── baseline/          # Baseline PyTorch implementation
│   ├── cuda_kernels/      # Custom CUDA kernels
│   ├── extensions/        # PyTorch C++ extensions
│   ├── optimized/         # Optimized pipeline
│   └── utils/             # Utilities and profiling
├── tests/                 # Test suite
│   ├── unit/             # Unit tests
│   ├── property/         # Property-based tests
│   └── integration/      # Integration tests
├── notebooks/            # Colab notebooks
├── docs/                 # Documentation
└── benchmarks/           # Benchmark scripts

Quick Start (Google Colab)

See notebooks/setup_colab.ipynb for complete setup instructions.

Development Status

🚧 Under active development

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An optimized video diffusion system that leverages custom CUDA kernels to achieve significant performance improvements over baseline implementations and implement custom optimizations for critical operations including attention mechanisms, temporal convolutions, and denoising samplers.

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