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ComfyUI gains runtime quantization for faster AI image generation

By PulseAugur Editorial · [3 sources] ·

A new ComfyUI node called QuantFunc has been developed to enable runtime 4-bit quantization of AI models, significantly speeding up inference times. This allows users to apply quantization on-the-fly without needing pre-quantized model checkpoints, leading to approximately a 4x speed increase for models like Ideogram 4 on an RTX 4090. Additionally, a new INT8 quantized version of the Boogu-Image-0.1-Turbo model has been released, optimized for ComfyUI to reduce VRAM usage and improve loading speeds, with a required custom node for enhanced performance on certain GPUs. AI

IMPACT Runtime quantization tools and optimized models are improving inference speed and reducing hardware requirements for AI image generation.

RANK_REASON Development of new tools and releases of quantized models for AI image generation platforms.

Read on r/StableDiffusion →

AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

ComfyUI gains runtime quantization for faster AI image generation

COVERAGE [3]

  1. r/StableDiffusion TIER_2 English(EN) · /u/lesesis ·

    I built a ComfyUI plugin that generates 1024px Qwen-Image in 0.9s on a 4090 — 11.7× faster than FP8 (Z-Image, Flux.2 too)

    <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1uhucjl/i_built_a_comfyui_plugin_that_generates_1024px/"> <img alt="I built a ComfyUI plugin that generates 1024px Qwen-Image in 0.9s on a 4090 — 11.7× faster than FP8 (Z-Image, Flux.2 too)" src="https://…

  2. r/StableDiffusion TIER_2 English(EN) · /u/lesesis ·

    I built a ComfyUI node for runtime 4-bit quantization — Ideogram 4 on a 4090: 30s → 8s (1K img, 12 steps)

    <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1uhqasg/i_built_a_comfyui_node_for_runtime_4bit/"> <img alt="I built a ComfyUI node for runtime 4-bit quantization — Ideogram 4 on a 4090: 30s → 8s (1K img, 12 steps)" src="https://preview.redd.it/jogttbh…

  3. r/StableDiffusion TIER_2 English(EN) · /u/Winougan ·

    [Release] Boogu-Image-0.1-Turbo (hotfix) — INT8 Quantized for ComfyUI

    <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1ug1k34/release_booguimage01turbo_hotfix_int8_quantized/"> <img alt="[Release] Boogu-Image-0.1-Turbo (hotfix) — INT8 Quantized for ComfyUI" src="https://preview.redd.it/j3q9ks37el9h1.png?width=140&amp;hei…

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