resolve merge issues

        timer.record("send model to device")

        model_data.set_sd_model(already_loaded)

        if not SkipWritingToConfig.skip:

            shared.opts.data["sd_model_checkpoint"] = already_loaded.sd_checkpoint_info.title

            shared.opts.data["sd_checkpoint_hash"] = already_loaded.sd_checkpoint_info.sha256

        print(f"Using already loaded model {already_loaded.sd_checkpoint_info.title}: done in {timer.summary()}")

        return model_data.sd_model

    elif shared.opts.sd_checkpoints_limit > 1 and len(model_data.loaded_sd_models) < shared.opts.sd_checkpoints_limit:

import torch

import inspect

import k_diffusion.sampling

from modules import sd_samplers_common, sd_samplers_extra

from modules.sd_samplers_cfg_denoiser import CFGDenoiser

from modules import sd_samplers_common, sd_samplers_extra, sd_samplers_cfg_denoiser

from modules.shared import opts

import modules.shared as shared

    "upcast_attn": OptionInfo(False, "Upcast cross attention layer to float32"),

    "randn_source": OptionInfo("GPU", "Random number generator source.", gr.Radio, {"choices": ["GPU", "CPU", "NV"]}).info("changes seeds drastically; use CPU to produce the same picture across different videocard vendors; use NV to produce same picture as on NVidia videocards"),

    "tiling": OptionInfo(False, "Tiling", infotext='Tiling').info("produce a tileable picture"),

    "sd_refiner_checkpoint": OptionInfo("None", "Refiner checkpoint", gr.Dropdown, lambda: {"choices": ["None"] + shared_items.list_checkpoint_tiles()}, refresh=shared_items.refresh_checkpoints, infotext="Refiner").info("switch to another model in the middle of generation"),

    "sd_refiner_switch_at": OptionInfo(1.0, "Refiner switch at", gr.Slider, {"minimum": 0.01, "maximum": 1.0, "step": 0.01}, infotext='Refiner switch at').info("fraction of sampling steps when the swtch to refiner model should happen; 1=never, 0.5=switch in the middle of generation"),

}))

options_templates.update(options_section(('sdxl', "Stable Diffusion XL"), {