H3 model crashes at 0.5 resolution, seeking config fix
reicaden · reddit · 2026-08-24
A user faces severe performance bottlenecks running the Minimax H3 model in ComfyUI, unable to exceed 0.5 resolution and 6-7 seconds duration despite using a 5090 GPU and 128GB RAM. Even with Sage attention and easy cache nodes enabled, performance lags behind others with similar hardware, leading the author to seek optimization advice.
More from Infra
- NVIDIA Vera Rubin NVL72 delivers 30x higher efficiency for AI agents vs GB300 — nvidia · 2026-08-24
- App Store Connect CLI 4.9.1 released with improved error recovery — rudrank · 2026-08-24
- Qwen3.8 27B at 11.7 tok/s on RTX 4070 Ti + Mac Air — zannix · 2026-08-24
- Best Local Model for 8GB VRAM Coding? — Elemental_Particle · 2026-08-24
- Model Router: Escalate on Typed Failure — jonah_omninode · 2026-08-24
- Open-source light-tools: Lossless Agent Toolset Filters 84% of Context Tokens — Select-Lifeguard-658 · 2026-08-24