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hao-ai-lab-FastVideo/docs/getting_started/installation.md
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# 🔧 Installation
Start with [Hardware and runtimes](hardware.md) to distinguish NVIDIA RTX and
data center GPUs, DGX Spark, Apple Silicon MLX, and AMD ROCm.
The installation paths below cover:
- [NVIDIA CUDA](installation/gpu.md)
- **NVIDIA DGX Spark / GB10 (ARM64 + CUDA 13)** — [install](installation/spark.md),
[performance](installation/spark_performance.md),
[pair two Sparks](installation/spark_pair.md)
- [Apple silicon (MLX)](installation/mlx.md)
- [AMD / ROCm support and current limits](installation/amd.md)
## Quick Installation
### Using uv (recommended)
Use uv as the default environment manager for faster and more stable installs.
The commands below target NVIDIA CUDA 12; use `UV_TORCH_BACKEND=cu130` on
CUDA 13. Apple silicon users should follow the [MLX install guide](installation/mlx.md).
```bash
# Create and activate a new uv environment
uv venv --python 3.12 --seed
source .venv/bin/activate
UV_TORCH_BACKEND=cu126 uv pip install fastvideo
```
### Using Conda (alternative)
```bash
# Create and activate a new conda environment
conda create -n fastvideo python=3.12 -y
conda activate fastvideo
UV_TORCH_BACKEND=cu126 uv pip install fastvideo
```
### From source
FastVideo pins PyTorch 2.12.0. Select its CUDA build explicitly with
`UV_TORCH_BACKEND=cu126` for CUDA 12 or `UV_TORCH_BACKEND=cu130` for CUDA 13.
```bash
git clone https://github.com/hao-ai-lab/FastVideo.git
cd FastVideo
UV_TORCH_BACKEND=cu126 uv pip install -e .
# optional: install flash-attn
uv pip install flash-attn --no-build-isolation -v
```
Alternative with Conda environment (still drives installs through `uv`):
```bash
UV_TORCH_BACKEND=cu126 uv pip install -e .
uv pip install flash-attn --no-build-isolation -v
```
## Install with an AI coding agent
FastVideo is a monorepo with rich agent guidance (see
[`AGENTS.md`](https://github.com/hao-ai-lab/FastVideo/blob/main/AGENTS.md)).
If you use Claude Code, Cursor, or another coding agent, paste the prompt
below; it detects your platform and follows the matching guide:
```text
Install FastVideo (https://github.com/hao-ai-lab/FastVideo) into a fresh uv virtual environment.
1. Detect the platform: run `uname -m`, `nvidia-smi`, and `nvcc --version`.
2. Read and follow the matching install guide exactly (in this repo, or at
https://hao-ai-lab.github.io/FastVideo/getting_started/installation/):
- NVIDIA GPU, x86_64 -> docs/getting_started/installation/gpu.md
- NVIDIA DGX Spark / GB10, aarch64, CUDA 13 -> docs/getting_started/installation/spark.md
- Apple Silicon, macOS -> docs/getting_started/installation/mlx.md
3. Use uv for every step. If a command fails, debug it and tell me what you changed.
4. Verify the result:
python -c "import fastvideo, torch; print('cuda', torch.cuda.is_available())"
fastvideo --help
5. Report which platform you detected and any deviations you had to make.
```
## Requirements
- **Python**: 3.10-3.12 is the tested and recommended range (the commands
above pin 3.12)
- **NVIDIA GPUs**: CUDA 12.6+ with compute capability 7.0+
- **Apple Silicon**: macOS 14.0+ with M1/M2/M3/M4 chips
- **CPU**: x86_64 architecture (for CPU-only inference)
## Next Steps
- [Quick Start](quick_start.md) - Generate your first video
- [Inference Cookbook](../cookbook/index.md) - Choose a maintained recipe
- [Configuration](../inference/configuration.md) - Learn about configuration options
- [Examples](../inference/examples/examples_inference_index.md) - Explore scripts and notebooks