ComfyUI Attention Optimizer - automatically benchmark and optimize attention mechanism in diffusion models for 1.5-2x speedup. Features: - Auto-benchmark all attention backends (SDPA, Flash, SageAttention, xFormers) - Persistent cache for results - Auto-apply optimal backend - Manual override via dropdown Compatible: SDXL, SD 1.5, SD 3, Flux, LTX-V, WAN, Hunyuan Video, Cosmos