diff --git a/config/examples/train_lora_flex2_24gb.yaml b/config/examples/train_lora_flex2_24gb.yaml new file mode 100644 index 00000000..cc698014 --- /dev/null +++ b/config/examples/train_lora_flex2_24gb.yaml @@ -0,0 +1,165 @@ +# Note, Flex2 is a highly experimental WIP model. Finetuning a model with built in controls and inpainting has not +# been done before, so you will be experimenting with me on how to do it. This is my recommended setup, but this is highly +# subject to change as we learn more about how Flex2 works. + +--- +job: extension +config: + # this name will be the folder and filename name + name: "my_first_flex2_lora_v1" + process: + - type: 'sd_trainer' + # root folder to save training sessions/samples/weights + training_folder: "output" + # uncomment to see performance stats in the terminal every N steps +# performance_log_every: 1000 + device: cuda:0 + # if a trigger word is specified, it will be added to captions of training data if it does not already exist + # alternatively, in your captions you can add [trigger] and it will be replaced with the trigger word +# trigger_word: "p3r5on" + network: + type: "lora" + linear: 32 + linear_alpha: 32 + save: + dtype: float16 # precision to save + save_every: 250 # save every this many steps + max_step_saves_to_keep: 4 # how many intermittent saves to keep + push_to_hub: false #change this to True to push your trained model to Hugging Face. + # You can either set up a HF_TOKEN env variable or you'll be prompted to log-in +# hf_repo_id: your-username/your-model-slug +# hf_private: true #whether the repo is private or public + datasets: + # datasets are a folder of images. captions need to be txt files with the same name as the image + # for instance image2.jpg and image2.txt. Only jpg, jpeg, and png are supported currently + # images will automatically be resized and bucketed into the resolution specified + # on windows, escape back slashes with another backslash so + # "C:\\path\\to\\images\\folder" + - folder_path: "/path/to/images/folder" + # Flex2 is trained with controls and inpainting. If you want the model to truely understand how the + # controls function with your dataset, it is a good idea to keep doing controls during training. + # this will automatically generate the controls for you before training. The current script is not + # fully optimized so this could be rather slow for large datasets, but it caches them to disk so it + # only needs to be done once. If you want to skip this step, you can set the controls to [] and it will + controls: + - "depth" + - "line" + - "pose" + - "inpaint" + + # you can make custom inpainting images as well. These images must be webp or png format with an alpha. + # just erase the part of the image you want to inpaint and save it as a webp or png. Again, erase your + # train target. So the person if training a person. The automatic controls above with inpaint will + # just run a background remover mask and erase the foreground, which works well for subjects. + + # inpaint_path: "/my/impaint/images" + + # you can also specify existing control image pairs. It can handle multiple groups and will randomly + # select one for each step. + + # control_path: + # - "/my/custom/control/images" + # - "/my/custom/control/images2" + + caption_ext: "txt" + caption_dropout_rate: 0.05 # will drop out the caption 5% of time + resolution: [ 512, 768, 1024 ] # flex2 enjoys multiple resolutions + train: + batch_size: 1 + # IMPORTANT! For Flex2, you must bypass the guidance embedder during training + bypass_guidance_embedding: true + + steps: 3000 # total number of steps to train 500 - 4000 is a good range + gradient_accumulation: 1 + train_unet: true + train_text_encoder: false # probably won't work with flex2 + gradient_checkpointing: true # need the on unless you have a ton of vram + noise_scheduler: "flowmatch" # for training only + # shift works well for training fast and learning composition and style. + # for just subject, you may want to change this to sigmoid + timestep_type: 'shift' # 'linear', 'sigmoid', 'shift' + optimizer: "adamw8bit" + lr: 1e-4 + + optimizer_params: + weight_decay: 1e-5 + # uncomment this to skip the pre training sample +# skip_first_sample: true + # uncomment to completely disable sampling +# disable_sampling: true + # uncomment to use new vell curved weighting. Experimental but may produce better results +# linear_timesteps: true + + # ema will smooth out learning, but could slow it down. Defaults off + ema_config: + use_ema: false + ema_decay: 0.99 + + # will probably need this if gpu supports it for flex, other dtypes may not work correctly + dtype: bf16 + model: + # huggingface model name or path + name_or_path: "ostris/Flex.2-preview" + arch: "flex2" + quantize: true # run 8bit mixed precision + quantize_te: true + + # you can pass special training infor for controls to the model here + # percentages are decimal based so 0.0 is 0% and 1.0 is 100% of the time. + model_kwargs: + # inverts the inpainting mask, good to learn outpainting as well, recommended 0.0 for characters + invert_inpaint_mask_chance: 0.5 + # this will do a normal t2i training step without inpaint when dropped out. REcommended if you want + # your lora to be able to inference with and without inpainting. + inpaint_dropout: 0.5 + # randomly drops out the control image. Dropout recvommended if your want it to work without controls as well. + control_dropout: 0.5 + # does a random inpaint blob. Usually a good idea to keep. Without it, the model will learn to always 100% + # fill the inpaint area with your subject. This is not always a good thing. + inpaint_random_chance: 0.5 + # generates random inpaint blobs if you did not provide an inpaint image for your dataset. Inpaint breaks down fast + # if you are not training with it. Controls are a little more robust and can be left out, + # but when in doubt, always leave this on + do_random_inpainting: false + # does random blurring of the inpaint mask. Helps prevent weird edge artifacts for real workd inpainting. Leave on. + random_blur_mask: true + # applies a small amount of random dialition and restriction to the inpaint mask. Helps with edge artifacts. + # Leave on. + random_dialate_mask: true + sample: + sampler: "flowmatch" # must match train.noise_scheduler + sample_every: 250 # sample every this many steps + width: 1024 + height: 1024 + prompts: + # you can add [trigger] to the prompts here and it will be replaced with the trigger word + # - "[trigger] holding a sign that says 'I LOVE PROMPTS!'"\ + + # you can use a single inpaint or single control image on your samples. + # for controls, the ctrl_idx is 1, the images can be any name and image format. + # use either a pose/line/depth image or whatever you are training with. An example is + # - "photo of [trigger] --ctrl_idx 1 --ctrl_img /path/to/control/image.jpg" + + # for an inpainting image, it must be png/webp. Erase the part of the image you want to inpaint + # IMPORTANT! the inpaint images must be ctrl_idx 0 and have .inpaint.{ext} in the name for this to work right. + # - "photo of [trigger] --ctrl_idx 0 --ctrl_img /path/to/inpaint/image.inpaint.png" + + - "woman with red hair, playing chess at the park, bomb going off in the background" + - "a woman holding a coffee cup, in a beanie, sitting at a cafe" + - "a horse is a DJ at a night club, fish eye lens, smoke machine, lazer lights, holding a martini" + - "a man showing off his cool new t shirt at the beach, a shark is jumping out of the water in the background" + - "a bear building a log cabin in the snow covered mountains" + - "woman playing the guitar, on stage, singing a song, laser lights, punk rocker" + - "hipster man with a beard, building a chair, in a wood shop" + - "photo of a man, white background, medium shot, modeling clothing, studio lighting, white backdrop" + - "a man holding a sign that says, 'this is a sign'" + - "a bulldog, in a post apocalyptic world, with a shotgun, in a leather jacket, in a desert, with a motorcycle" + neg: "" # not used on flex2 + seed: 42 + walk_seed: true + guidance_scale: 4 + sample_steps: 25 +# you can add any additional meta info here. [name] is replaced with config name at top +meta: + name: "[name]" + version: '1.0'