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Add instructions for installing prerequisites

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doctorpangloss 2024-11-18 15:46:22 -08:00
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README.md
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@ -349,18 +349,24 @@ Install the dependencies for Windows or Linux using the `withtriton` component,
pip install "comfyui[withtriton]@git+https://github.com/hiddenswitch/ComfyUI.git" pip install "comfyui[withtriton]@git+https://github.com/hiddenswitch/ComfyUI.git"
``` ```
On Windows, you will need the CUDA Toolkit and Visual Studio 2022. If you do not already have this, use `chocolatey`:
```powershell
# install chocolatey
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
choco install -y visualstudio2022buildtools
# purposefully executed separately
choco install -y visualstudio2022-workload-vctools
choco install -y vcredist2010 vcredist2013 vcredist140
choco install -y cuda
```
If you have `xformers` installed, disable it, as it will be preferred over Sage Attention: If you have `xformers` installed, disable it, as it will be preferred over Sage Attention:
```shell ```shell
comfyui --disable-xformers comfyui --disable-xformers
``` ```
If you want to use **TorchCompileModel** to further improve performance, do not reserve VRAM:
```shell
comfyui --disable-xformers --reserve-vram=-1.0
```
Sage Attention is not compatible with Flux. It does not appear to be compatible with Mochi when using `torch.compile` Sage Attention is not compatible with Flux. It does not appear to be compatible with Mochi when using `torch.compile`
![with_sage_attention.webp](./docs/assets/with_sage_attention.webp) ![with_sage_attention.webp](./docs/assets/with_sage_attention.webp)