Bobs_Latent_Optimizer

By bobsblazedView on GitHub →

This custom node for ComfyUI is designed to optimize latent generation for use with FLUX, SDXL and SD3. It provides flexible control over aspect ratios, megapixel sizes, and upscale factors, allowing users to dynamically create latents that fit specific tiling and resolution needs.

How much VRAM does Bobs_Latent_Optimizer require?

Direct Answer: The ComfyUI node Bobs_Latent_Optimizer requires a minimum base VRAM of 12288MB and is optimized for GPUs with at least 24GB of VRAM. Low VRAM mode is not supported for this node.

Extreme (>8GB)
Base VRAM:
12288MB (12.0GB)
Recommended GPU:
24GB+ VRAM
Low VRAM Mode:
✗ Not supported
Estimation Confidence:
HIGH

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!

Deploy on High-Performance GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance GPUs on Vast.ai instantly.

🚀 Deploy on Vast.ai

Deploy on Cloud GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance cloud GPUs on RunPod instantly.

🚀 Deploy on RunPod

Compatible Foundations

This node is verified to support or optimize workflows for the following foundation model families:

⚡ FLUX.1⚡ Stable Diffusion XL (SDXL)⚡ Stable Diffusion 3 (SD3)

Related Custom Nodes

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

Image Oasis
by nikodemon8012.0GB VRAM
Tenser Tensor
by tenser-tensor12.0GB VRAM
The Last Model Switcher
by maxomarai12.0GB VRAM
ComfyUI-SmartModelLoaders-MXD
by Maxed-Out-9912.0GB VRAM
Kraken Tools
by KrakenUnbound12.0GB VRAM

Frequently Asked Questions

How much VRAM does Bobs_Latent_Optimizer require?

Bobs_Latent_Optimizer requires a minimum of 12288MB (12.0GB) of VRAM for base operation. For optimal performance, a GPU with at least 24GB of VRAM is recommended. Low VRAM mode is not supported for this node.

Can I run Bobs_Latent_Optimizer on an RTX 3060, RTX 4070, or RTX 4090?

❌ RTX 3060 (12GB): Insufficient VRAM (needs 12.0GB minimum). ❌ RTX 4070 (12GB): Insufficient VRAM (needs 12.0GB minimum). ⚠️ RTX 4070 Ti (16GB): Can run, but may experience performance issues or require low VRAM mode. ✅ RTX 4090 (24GB): Yes, fully compatible with 9.6GB headroom

How do I install Bobs_Latent_Optimizer in ComfyUI?

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