ComfyUI - DGLS (Dynamic GPU Layer Swapping)

By obisinView on GitHub →

Smart dynamic layer swapping between GPU and CPU for optimal inference performance with comprehensive mixed precision handling and copy-compute overlap optimization. Enables running much larger models on limited VRAM setups.

How much VRAM does ComfyUI - DGLS (Dynamic GPU Layer Swapping) require?

Direct Answer: The ComfyUI node ComfyUI - DGLS (Dynamic GPU Layer Swapping) requires a minimum base VRAM of 128MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.

High (2-4GB)
Base VRAM:
128MB (0.1GB)
Recommended GPU:
4GB+ VRAM
Low VRAM Mode:
✓ Supported
Estimation Confidence:
MEDIUM

Interactive VRAM Compatibility Estimator

Estimated Total VRAM: 3.00 GBTarget: 8 GB
✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

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What Python packages are required for ComfyUI - DGLS (Dynamic GPU Layer Swapping)?

Direct Answer: Running ComfyUI - DGLS (Dynamic GPU Layer Swapping) requires installing the following Python package dependencies: bitsandbytes>=0.41.0, psutil>=5.9.0, safetensors>=0.3.0, torch>=2.6.0, xformers>=0.0.32. This node specifically requires PyTorch version 2.6.0 or newer.

requirements.txt
bitsandbytes>=0.41.0
psutil>=5.9.0
safetensors>=0.3.0
torch>=2.6.0
xformers>=0.0.32

Interactive Setup & Dependency Resolver

Operating System:
Environment Type:
Run this terminal command in your ComfyUI root folder:
# Loading command...

Special Environment Requirements:

Requires PyTorch version 2.6.0+.

To update PyTorch for your selected setup, run:
# Loading PyTorch command...

Related Custom Nodes

The following custom nodes run in the same PyTorch / CUDA environment and share similar categories or workflows:

ComfyUI-OmniGen2
by Yuan-ManX128MB VRAM
HunyuanVideo-1.5 nodes
by yuanyuan-spec4.0GB VRAM
ComfyUI-EsesImageEffectBloom
by quasiblob128MB VRAM
ComfyUI-EsesImageEffectCurves
by quasiblob256MB VRAM
ComfyUI-GameDev
by ecalot128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI - DGLS (Dynamic GPU Layer Swapping) require?

ComfyUI - DGLS (Dynamic GPU Layer Swapping) requires a minimum of 128MB (0.1GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.

Can I run ComfyUI - DGLS (Dynamic GPU Layer Swapping) on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.3GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.5GB headroom

What PyTorch version does ComfyUI - DGLS (Dynamic GPU Layer Swapping) need?

ComfyUI - DGLS (Dynamic GPU Layer Swapping) requires the following PyTorch-related packages: torch>=2.6.0. Ensure your ComfyUI environment has these installed. Ensure your PyTorch installation matches your CUDA version (use torch.version.cuda to check).

What Python packages are required for ComfyUI - DGLS (Dynamic GPU Layer Swapping)?

To run ComfyUI - DGLS (Dynamic GPU Layer Swapping), you need to install: bitsandbytes>=0.41.0, psutil>=5.9.0, safetensors>=0.3.0, torch>=2.6.0, xformers>=0.0.32. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI - DGLS (Dynamic GPU Layer Swapping)?

ComfyUI - DGLS (Dynamic GPU Layer Swapping) supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.

How do I install ComfyUI - DGLS (Dynamic GPU Layer Swapping) in ComfyUI?

To install ComfyUI - DGLS (Dynamic GPU Layer Swapping): (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/obisin/ComfyUI-DGLS, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.