ComfyUI Node
SDPA Backend Select (Blackwell)
Pick the PyTorch SDPA kernel priority (listed backends first, MATH as fallback).
SDPA Backend Select (Blackwell)
- model
- MODEL
◄backendcudnn+flash►
CategoryFP32Toolkit/attention
Inputs (2)
| Name | Type | Default | Description |
|---|---|---|---|
| model | MODEL | — | |
| backend | COMBO | cudnn+flash | 7 options: auto, cudnn, flash, efficient, math, cudnn+flash, +1 |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| MODEL | MODEL | — |