Help Wanted: Porting NVIDIA's MiniMax H3 Sol-Engine Optimizations to a Single RTX 5090
cat_trick · reddit · 2026-08-06
A developer took to Reddit seeking help to port NVIDIA's official MiniMax H3 Sol-Engine optimization stack into ComfyUI, aiming to run a quantized version of MiniMax H3 on a single RTX 5090.
- Background: NVIDIA's full published benchmark utilized 8x GB200 GPUs, making it inaccessible for average developers.
- Technical Details: The author is looking to integrate advanced techniques like FirstBlockCache, AdaLN precomputation, kernel fusion, and optimized VAE decoding.
- Goal: To find a working custom node or workflow that actually runs on a single GPU, aiming for real generation benchmarks of 5-8 seconds.
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