diffusers-workflow/workflows/templates/step-caching.json at master · dkackman/diffusers-workflow · GitHub

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{
    "variables": {
        "prompt": "A photorealistic image of a red fox sitting in a snowy forest clearing, soft morning light filtering through the trees",
        "num_inference_steps": 28,
        "guidance_scale": 3.5,
        "seed": null
    },
    "id": "FluxDevFirstBlockCache",
    "description": "FLUX.1 dev accelerated with first-block caching, skipping redundant transformer work across denoise steps. This uses first-block caching, a 'cache' block of {\"type\": \"first_block\", \"threshold\": 0.05}. It trades a little fidelity for skipped transformer work; raise the threshold to skip more.",
    "seed": "variable:seed",
    "steps": [
        {
            "name": "txt2img",
            "pipeline": {
                "configuration": {
                    "component_type": "FluxPipeline",
                    "components": {
                        "transformer": {
                            "group_offload": {
                                "offload_type": "block_level",
                                "num_blocks_per_group": 1,
                                "use_stream": true,
                                "record_stream": true
                            }
                        },
                        "text_encoder": { "device": "cuda" },
                        "text_encoder_2": { "device": "cuda" },
                        "vae": { "device": "cuda" }
                    },
                    "cache": {
                        "type": "first_block",
                        "threshold": 0.05
                    }
                },
                "from_pretrained_arguments": {
                    "model_name": "black-forest-labs/FLUX.1-dev",
                    "torch_dtype": "torch.bfloat16"
                },
                "arguments": {
                    "prompt": "variable:prompt",
                    "num_inference_steps": "variable:num_inference_steps",
                    "guidance_scale": "variable:guidance_scale"
                }
            },
            "result": {
                "content_type": "image/jpeg",
                "embed_metadata": true,
                "subfolder": "final"
            }
        }
    ]
}