mirror of
https://github.com/kohya-ss/sd-scripts.git
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support block dim/lr for sdxl
This commit is contained in:
271
networks/lora.py
271
networks/lora.py
@@ -12,6 +12,7 @@ import numpy as np
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import torch
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import re
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from library.utils import setup_logging
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from library.sdxl_original_unet import SdxlUNet2DConditionModel
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setup_logging()
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import logging
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@@ -385,14 +386,14 @@ class LoRAInfModule(LoRAModule):
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return out
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def parse_block_lr_kwargs(nw_kwargs):
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def parse_block_lr_kwargs(is_sdxl: bool, nw_kwargs: Dict) -> Optional[List[float]]:
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down_lr_weight = nw_kwargs.get("down_lr_weight", None)
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mid_lr_weight = nw_kwargs.get("mid_lr_weight", None)
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up_lr_weight = nw_kwargs.get("up_lr_weight", None)
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# 以上のいずれにも設定がない場合は無効としてNoneを返す
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if down_lr_weight is None and mid_lr_weight is None and up_lr_weight is None:
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return None, None, None
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return None
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# extract learning rate weight for each block
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if down_lr_weight is not None:
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@@ -401,18 +402,16 @@ def parse_block_lr_kwargs(nw_kwargs):
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down_lr_weight = [(float(s) if s else 0.0) for s in down_lr_weight.split(",")]
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if mid_lr_weight is not None:
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mid_lr_weight = float(mid_lr_weight)
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mid_lr_weight = [(float(s) if s else 0.0) for s in mid_lr_weight.split(",")]
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if up_lr_weight is not None:
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if "," in up_lr_weight:
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up_lr_weight = [(float(s) if s else 0.0) for s in up_lr_weight.split(",")]
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down_lr_weight, mid_lr_weight, up_lr_weight = get_block_lr_weight(
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down_lr_weight, mid_lr_weight, up_lr_weight, float(nw_kwargs.get("block_lr_zero_threshold", 0.0))
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return get_block_lr_weight(
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is_sdxl, down_lr_weight, mid_lr_weight, up_lr_weight, float(nw_kwargs.get("block_lr_zero_threshold", 0.0))
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)
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return down_lr_weight, mid_lr_weight, up_lr_weight
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def create_network(
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multiplier: float,
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@@ -424,6 +423,9 @@ def create_network(
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neuron_dropout: Optional[float] = None,
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**kwargs,
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):
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# if unet is an instance of SdxlUNet2DConditionModel or subclass, set is_sdxl to True
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is_sdxl = unet is not None and issubclass(unet.__class__, SdxlUNet2DConditionModel)
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if network_dim is None:
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network_dim = 4 # default
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if network_alpha is None:
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@@ -441,21 +443,21 @@ def create_network(
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# block dim/alpha/lr
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block_dims = kwargs.get("block_dims", None)
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down_lr_weight, mid_lr_weight, up_lr_weight = parse_block_lr_kwargs(kwargs)
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block_lr_weight = parse_block_lr_kwargs(is_sdxl, kwargs)
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# 以上のいずれかに指定があればblockごとのdim(rank)を有効にする
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if block_dims is not None or down_lr_weight is not None or mid_lr_weight is not None or up_lr_weight is not None:
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if block_dims is not None or block_lr_weight is not None:
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block_alphas = kwargs.get("block_alphas", None)
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conv_block_dims = kwargs.get("conv_block_dims", None)
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conv_block_alphas = kwargs.get("conv_block_alphas", None)
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block_dims, block_alphas, conv_block_dims, conv_block_alphas = get_block_dims_and_alphas(
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block_dims, block_alphas, network_dim, network_alpha, conv_block_dims, conv_block_alphas, conv_dim, conv_alpha
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is_sdxl, block_dims, block_alphas, network_dim, network_alpha, conv_block_dims, conv_block_alphas, conv_dim, conv_alpha
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)
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# remove block dim/alpha without learning rate
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block_dims, block_alphas, conv_block_dims, conv_block_alphas = remove_block_dims_and_alphas(
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block_dims, block_alphas, conv_block_dims, conv_block_alphas, down_lr_weight, mid_lr_weight, up_lr_weight
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is_sdxl, block_dims, block_alphas, conv_block_dims, conv_block_alphas, block_lr_weight
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)
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else:
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@@ -488,6 +490,7 @@ def create_network(
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conv_block_dims=conv_block_dims,
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conv_block_alphas=conv_block_alphas,
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varbose=True,
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is_sdxl=is_sdxl,
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)
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loraplus_lr_ratio = kwargs.get("loraplus_lr_ratio", None)
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@@ -498,8 +501,8 @@ def create_network(
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loraplus_text_encoder_lr_ratio = float(loraplus_text_encoder_lr_ratio) if loraplus_text_encoder_lr_ratio is not None else None
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network.set_loraplus_lr_ratio(loraplus_lr_ratio, loraplus_unet_lr_ratio, loraplus_text_encoder_lr_ratio)
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if up_lr_weight is not None or mid_lr_weight is not None or down_lr_weight is not None:
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network.set_block_lr_weight(up_lr_weight, mid_lr_weight, down_lr_weight)
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if block_lr_weight is not None:
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network.set_block_lr_weight(block_lr_weight)
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return network
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@@ -509,9 +512,13 @@ def create_network(
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# block_dims, block_alphas は両方ともNoneまたは両方とも値が入っている
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# conv_dim, conv_alpha は両方ともNoneまたは両方とも値が入っている
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def get_block_dims_and_alphas(
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block_dims, block_alphas, network_dim, network_alpha, conv_block_dims, conv_block_alphas, conv_dim, conv_alpha
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is_sdxl, block_dims, block_alphas, network_dim, network_alpha, conv_block_dims, conv_block_alphas, conv_dim, conv_alpha
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):
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num_total_blocks = LoRANetwork.NUM_OF_BLOCKS * 2 + 1
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if not is_sdxl:
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num_total_blocks = LoRANetwork.NUM_OF_BLOCKS * 2 + LoRANetwork.NUM_OF_MID_BLOCKS
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else:
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# 1+9+3+9+1=23, no LoRA for emb_layers (0)
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num_total_blocks = 1 + LoRANetwork.SDXL_NUM_OF_BLOCKS * 2 + LoRANetwork.SDXL_NUM_OF_MID_BLOCKS + 1
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def parse_ints(s):
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return [int(i) for i in s.split(",")]
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@@ -522,9 +529,10 @@ def get_block_dims_and_alphas(
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# block_dimsとblock_alphasをパースする。必ず値が入る
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if block_dims is not None:
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block_dims = parse_ints(block_dims)
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assert (
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len(block_dims) == num_total_blocks
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), f"block_dims must have {num_total_blocks} elements / block_dimsは{num_total_blocks}個指定してください"
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assert len(block_dims) == num_total_blocks, (
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f"block_dims must have {num_total_blocks} elements but {len(block_dims)} elements are given"
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+ f" / block_dimsは{num_total_blocks}個指定してください(指定された個数: {len(block_dims)})"
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)
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else:
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logger.warning(
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f"block_dims is not specified. all dims are set to {network_dim} / block_dimsが指定されていません。すべてのdimは{network_dim}になります"
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@@ -575,15 +583,25 @@ def get_block_dims_and_alphas(
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return block_dims, block_alphas, conv_block_dims, conv_block_alphas
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# 層別学習率用に層ごとの学習率に対する倍率を定義する、外部から呼び出される可能性を考慮しておく
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# 層別学習率用に層ごとの学習率に対する倍率を定義する、外部から呼び出せるようにclass外に出しておく
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# 戻り値は block ごとの倍率のリスト
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def get_block_lr_weight(
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down_lr_weight, mid_lr_weight, up_lr_weight, zero_threshold
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) -> Tuple[List[float], List[float], List[float]]:
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is_sdxl,
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down_lr_weight: Union[str, List[float]],
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mid_lr_weight: List[float],
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up_lr_weight: Union[str, List[float]],
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zero_threshold: float,
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) -> Optional[List[float]]:
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# パラメータ未指定時は何もせず、今までと同じ動作とする
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if up_lr_weight is None and mid_lr_weight is None and down_lr_weight is None:
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return None, None, None
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return None
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max_len = LoRANetwork.NUM_OF_BLOCKS # フルモデル相当でのup,downの層の数
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if not is_sdxl:
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max_len_for_down_or_up = LoRANetwork.NUM_OF_BLOCKS
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max_len_for_mid = LoRANetwork.NUM_OF_MID_BLOCKS
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else:
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max_len_for_down_or_up = LoRANetwork.SDXL_NUM_OF_BLOCKS
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max_len_for_mid = LoRANetwork.SDXL_NUM_OF_MID_BLOCKS
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def get_list(name_with_suffix) -> List[float]:
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import math
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@@ -593,15 +611,18 @@ def get_block_lr_weight(
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base_lr = float(tokens[1]) if len(tokens) > 1 else 0.0
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if name == "cosine":
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return [math.sin(math.pi * (i / (max_len - 1)) / 2) + base_lr for i in reversed(range(max_len))]
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return [
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math.sin(math.pi * (i / (max_len_for_down_or_up - 1)) / 2) + base_lr
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for i in reversed(range(max_len_for_down_or_up))
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]
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elif name == "sine":
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return [math.sin(math.pi * (i / (max_len - 1)) / 2) + base_lr for i in range(max_len)]
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return [math.sin(math.pi * (i / (max_len_for_down_or_up - 1)) / 2) + base_lr for i in range(max_len_for_down_or_up)]
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elif name == "linear":
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return [i / (max_len - 1) + base_lr for i in range(max_len)]
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return [i / (max_len_for_down_or_up - 1) + base_lr for i in range(max_len_for_down_or_up)]
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elif name == "reverse_linear":
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return [i / (max_len - 1) + base_lr for i in reversed(range(max_len))]
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return [i / (max_len_for_down_or_up - 1) + base_lr for i in reversed(range(max_len_for_down_or_up))]
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elif name == "zeros":
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return [0.0 + base_lr] * max_len
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return [0.0 + base_lr] * max_len_for_down_or_up
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else:
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logger.error(
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"Unknown lr_weight argument %s is used. Valid arguments: / 不明なlr_weightの引数 %s が使われました。有効な引数:\n\tcosine, sine, linear, reverse_linear, zeros"
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@@ -614,20 +635,36 @@ def get_block_lr_weight(
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if type(up_lr_weight) == str:
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up_lr_weight = get_list(up_lr_weight)
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if (up_lr_weight != None and len(up_lr_weight) > max_len) or (down_lr_weight != None and len(down_lr_weight) > max_len):
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logger.warning("down_weight or up_weight is too long. Parameters after %d-th are ignored." % max_len)
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logger.warning("down_weightもしくはup_weightが長すぎます。%d個目以降のパラメータは無視されます。" % max_len)
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up_lr_weight = up_lr_weight[:max_len]
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down_lr_weight = down_lr_weight[:max_len]
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if (up_lr_weight != None and len(up_lr_weight) > max_len_for_down_or_up) or (
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down_lr_weight != None and len(down_lr_weight) > max_len_for_down_or_up
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):
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logger.warning("down_weight or up_weight is too long. Parameters after %d-th are ignored." % max_len_for_down_or_up)
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logger.warning("down_weightもしくはup_weightが長すぎます。%d個目以降のパラメータは無視されます。" % max_len_for_down_or_up)
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up_lr_weight = up_lr_weight[:max_len_for_down_or_up]
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down_lr_weight = down_lr_weight[:max_len_for_down_or_up]
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if (up_lr_weight != None and len(up_lr_weight) < max_len) or (down_lr_weight != None and len(down_lr_weight) < max_len):
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logger.warning("down_weight or up_weight is too short. Parameters after %d-th are filled with 1." % max_len)
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logger.warning("down_weightもしくはup_weightが短すぎます。%d個目までの不足したパラメータは1で補われます。" % max_len)
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if mid_lr_weight != None and len(mid_lr_weight) > max_len_for_mid:
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logger.warning("mid_weight is too long. Parameters after %d-th are ignored." % max_len_for_mid)
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logger.warning("mid_weightが長すぎます。%d個目以降のパラメータは無視されます。" % max_len_for_mid)
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mid_lr_weight = mid_lr_weight[:max_len_for_mid]
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if down_lr_weight != None and len(down_lr_weight) < max_len:
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down_lr_weight = down_lr_weight + [1.0] * (max_len - len(down_lr_weight))
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if up_lr_weight != None and len(up_lr_weight) < max_len:
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up_lr_weight = up_lr_weight + [1.0] * (max_len - len(up_lr_weight))
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if (up_lr_weight != None and len(up_lr_weight) < max_len_for_down_or_up) or (
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down_lr_weight != None and len(down_lr_weight) < max_len_for_down_or_up
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):
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logger.warning("down_weight or up_weight is too short. Parameters after %d-th are filled with 1." % max_len_for_down_or_up)
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logger.warning(
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"down_weightもしくはup_weightが短すぎます。%d個目までの不足したパラメータは1で補われます。" % max_len_for_down_or_up
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)
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if down_lr_weight != None and len(down_lr_weight) < max_len_for_down_or_up:
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down_lr_weight = down_lr_weight + [1.0] * (max_len_for_down_or_up - len(down_lr_weight))
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if up_lr_weight != None and len(up_lr_weight) < max_len_for_down_or_up:
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up_lr_weight = up_lr_weight + [1.0] * (max_len_for_down_or_up - len(up_lr_weight))
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if mid_lr_weight != None and len(mid_lr_weight) < max_len_for_mid:
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logger.warning("mid_weight is too short. Parameters after %d-th are filled with 1." % max_len_for_mid)
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logger.warning("mid_weightが短すぎます。%d個目までの不足したパラメータは1で補われます。" % max_len_for_mid)
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mid_lr_weight = mid_lr_weight + [1.0] * (max_len_for_mid - len(mid_lr_weight))
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if (up_lr_weight != None) or (mid_lr_weight != None) or (down_lr_weight != None):
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logger.info("apply block learning rate / 階層別学習率を適用します。")
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@@ -635,72 +672,84 @@ def get_block_lr_weight(
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down_lr_weight = [w if w > zero_threshold else 0 for w in down_lr_weight]
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logger.info(f"down_lr_weight (shallower -> deeper, 浅い層->深い層): {down_lr_weight}")
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else:
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down_lr_weight = [1.0] * max_len_for_down_or_up
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logger.info("down_lr_weight: all 1.0, すべて1.0")
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if mid_lr_weight != None:
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mid_lr_weight = mid_lr_weight if mid_lr_weight > zero_threshold else 0
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mid_lr_weight = [w if w > zero_threshold else 0 for w in mid_lr_weight]
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logger.info(f"mid_lr_weight: {mid_lr_weight}")
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else:
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logger.info("mid_lr_weight: 1.0")
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mid_lr_weight = [1.0] * max_len_for_mid
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logger.info("mid_lr_weight: all 1.0, すべて1.0")
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if up_lr_weight != None:
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up_lr_weight = [w if w > zero_threshold else 0 for w in up_lr_weight]
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logger.info(f"up_lr_weight (deeper -> shallower, 深い層->浅い層): {up_lr_weight}")
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else:
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up_lr_weight = [1.0] * max_len_for_down_or_up
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logger.info("up_lr_weight: all 1.0, すべて1.0")
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return down_lr_weight, mid_lr_weight, up_lr_weight
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lr_weight = down_lr_weight + mid_lr_weight + up_lr_weight
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if is_sdxl:
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lr_weight = [1.0] + lr_weight + [1.0] # add 1.0 for emb_layers and out
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assert (not is_sdxl and len(lr_weight) == LoRANetwork.NUM_OF_BLOCKS * 2 + LoRANetwork.NUM_OF_MID_BLOCKS) or (
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is_sdxl and len(lr_weight) == 1 + LoRANetwork.SDXL_NUM_OF_BLOCKS * 2 + LoRANetwork.SDXL_NUM_OF_MID_BLOCKS + 1
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), f"lr_weight length is invalid: {len(lr_weight)}"
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return lr_weight
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# lr_weightが0のblockをblock_dimsから除外する、外部から呼び出す可能性を考慮しておく
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def remove_block_dims_and_alphas(
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block_dims, block_alphas, conv_block_dims, conv_block_alphas, down_lr_weight, mid_lr_weight, up_lr_weight
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is_sdxl, block_dims, block_alphas, conv_block_dims, conv_block_alphas, block_lr_weight: Optional[List[float]]
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):
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# set 0 to block dim without learning rate to remove the block
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if down_lr_weight != None:
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for i, lr in enumerate(down_lr_weight):
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if block_lr_weight is not None:
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for i, lr in enumerate(block_lr_weight):
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if lr == 0:
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block_dims[i] = 0
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if conv_block_dims is not None:
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conv_block_dims[i] = 0
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if mid_lr_weight != None:
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if mid_lr_weight == 0:
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block_dims[LoRANetwork.NUM_OF_BLOCKS] = 0
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if conv_block_dims is not None:
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conv_block_dims[LoRANetwork.NUM_OF_BLOCKS] = 0
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if up_lr_weight != None:
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for i, lr in enumerate(up_lr_weight):
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if lr == 0:
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block_dims[LoRANetwork.NUM_OF_BLOCKS + 1 + i] = 0
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if conv_block_dims is not None:
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conv_block_dims[LoRANetwork.NUM_OF_BLOCKS + 1 + i] = 0
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return block_dims, block_alphas, conv_block_dims, conv_block_alphas
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# 外部から呼び出す可能性を考慮しておく
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def get_block_index(lora_name: str) -> int:
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def get_block_index(lora_name: str, is_sdxl: bool = False) -> int:
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block_idx = -1 # invalid lora name
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if not is_sdxl:
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m = RE_UPDOWN.search(lora_name)
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if m:
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g = m.groups()
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i = int(g[1])
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j = int(g[3])
|
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if g[2] == "resnets":
|
||||
idx = 3 * i + j
|
||||
elif g[2] == "attentions":
|
||||
idx = 3 * i + j
|
||||
elif g[2] == "upsamplers" or g[2] == "downsamplers":
|
||||
idx = 3 * i + 2
|
||||
|
||||
m = RE_UPDOWN.search(lora_name)
|
||||
if m:
|
||||
g = m.groups()
|
||||
i = int(g[1])
|
||||
j = int(g[3])
|
||||
if g[2] == "resnets":
|
||||
idx = 3 * i + j
|
||||
elif g[2] == "attentions":
|
||||
idx = 3 * i + j
|
||||
elif g[2] == "upsamplers" or g[2] == "downsamplers":
|
||||
idx = 3 * i + 2
|
||||
|
||||
if g[0] == "down":
|
||||
block_idx = 1 + idx # 0に該当するLoRAは存在しない
|
||||
elif g[0] == "up":
|
||||
block_idx = LoRANetwork.NUM_OF_BLOCKS + 1 + idx
|
||||
|
||||
elif "mid_block_" in lora_name:
|
||||
block_idx = LoRANetwork.NUM_OF_BLOCKS # idx=12
|
||||
if g[0] == "down":
|
||||
block_idx = 1 + idx # 0に該当するLoRAは存在しない
|
||||
elif g[0] == "up":
|
||||
block_idx = LoRANetwork.NUM_OF_BLOCKS + 1 + idx
|
||||
elif "mid_block_" in lora_name:
|
||||
block_idx = LoRANetwork.NUM_OF_BLOCKS # idx=12
|
||||
else:
|
||||
# copy from sdxl_train
|
||||
if lora_name.startswith("lora_unet_"):
|
||||
name = lora_name[len("lora_unet_") :]
|
||||
if name.startswith("time_embed_") or name.startswith("label_emb_"): # No LoRA
|
||||
block_idx = 0 # 0
|
||||
elif name.startswith("input_blocks_"): # 1-9
|
||||
block_idx = 1 + int(name.split("_")[2])
|
||||
elif name.startswith("middle_block_"): # 10-12
|
||||
block_idx = 10 + int(name.split("_")[2])
|
||||
elif name.startswith("output_blocks_"): # 13-21
|
||||
block_idx = 13 + int(name.split("_")[2])
|
||||
elif name.startswith("out_"): # 22, out, no LoRA
|
||||
block_idx = 22
|
||||
|
||||
return block_idx
|
||||
|
||||
@@ -742,15 +791,18 @@ def create_network_from_weights(multiplier, file, vae, text_encoder, unet, weigh
|
||||
)
|
||||
|
||||
# block lr
|
||||
down_lr_weight, mid_lr_weight, up_lr_weight = parse_block_lr_kwargs(kwargs)
|
||||
if up_lr_weight is not None or mid_lr_weight is not None or down_lr_weight is not None:
|
||||
network.set_block_lr_weight(up_lr_weight, mid_lr_weight, down_lr_weight)
|
||||
block_lr_weight = parse_block_lr_kwargs(kwargs)
|
||||
if block_lr_weight is not None:
|
||||
network.set_block_lr_weight(block_lr_weight)
|
||||
|
||||
return network, weights_sd
|
||||
|
||||
|
||||
class LoRANetwork(torch.nn.Module):
|
||||
NUM_OF_BLOCKS = 12 # フルモデル相当でのup,downの層の数
|
||||
NUM_OF_MID_BLOCKS = 1
|
||||
SDXL_NUM_OF_BLOCKS = 9 # SDXLのモデルでのinput/outputの層の数 total=1(base) 9(input) + 3(mid) + 9(output) + 1(out) = 23
|
||||
SDXL_NUM_OF_MID_BLOCKS = 3
|
||||
|
||||
UNET_TARGET_REPLACE_MODULE = ["Transformer2DModel"]
|
||||
UNET_TARGET_REPLACE_MODULE_CONV2D_3X3 = ["ResnetBlock2D", "Downsample2D", "Upsample2D"]
|
||||
@@ -782,6 +834,7 @@ class LoRANetwork(torch.nn.Module):
|
||||
modules_alpha: Optional[Dict[str, int]] = None,
|
||||
module_class: Type[object] = LoRAModule,
|
||||
varbose: Optional[bool] = False,
|
||||
is_sdxl: Optional[bool] = False,
|
||||
) -> None:
|
||||
"""
|
||||
LoRA network: すごく引数が多いが、パターンは以下の通り
|
||||
@@ -863,7 +916,7 @@ class LoRANetwork(torch.nn.Module):
|
||||
alpha = modules_alpha[lora_name]
|
||||
elif is_unet and block_dims is not None:
|
||||
# U-Netでblock_dims指定あり
|
||||
block_idx = get_block_index(lora_name)
|
||||
block_idx = get_block_index(lora_name, is_sdxl)
|
||||
if is_linear or is_conv2d_1x1:
|
||||
dim = block_dims[block_idx]
|
||||
alpha = block_alphas[block_idx]
|
||||
@@ -927,15 +980,13 @@ class LoRANetwork(torch.nn.Module):
|
||||
|
||||
skipped = skipped_te + skipped_un
|
||||
if varbose and len(skipped) > 0:
|
||||
logger.warning(
|
||||
logger.warn(
|
||||
f"because block_lr_weight is 0 or dim (rank) is 0, {len(skipped)} LoRA modules are skipped / block_lr_weightまたはdim (rank)が0の為、次の{len(skipped)}個のLoRAモジュールはスキップされます:"
|
||||
)
|
||||
for name in skipped:
|
||||
logger.info(f"\t{name}")
|
||||
|
||||
self.up_lr_weight: List[float] = None
|
||||
self.down_lr_weight: List[float] = None
|
||||
self.mid_lr_weight: float = None
|
||||
self.block_lr_weight = None
|
||||
self.block_lr = False
|
||||
|
||||
# assertion
|
||||
@@ -966,12 +1017,12 @@ class LoRANetwork(torch.nn.Module):
|
||||
|
||||
def apply_to(self, text_encoder, unet, apply_text_encoder=True, apply_unet=True):
|
||||
if apply_text_encoder:
|
||||
logger.info("enable LoRA for text encoder")
|
||||
logger.info(f"enable LoRA for text encoder: {len(self.text_encoder_loras)} modules")
|
||||
else:
|
||||
self.text_encoder_loras = []
|
||||
|
||||
if apply_unet:
|
||||
logger.info("enable LoRA for U-Net")
|
||||
logger.info(f"enable LoRA for U-Net: {len(self.unet_loras)} modules")
|
||||
else:
|
||||
self.unet_loras = []
|
||||
|
||||
@@ -1012,34 +1063,14 @@ class LoRANetwork(torch.nn.Module):
|
||||
logger.info(f"weights are merged")
|
||||
|
||||
# 層別学習率用に層ごとの学習率に対する倍率を定義する 引数の順番が逆だがとりあえず気にしない
|
||||
def set_block_lr_weight(
|
||||
self,
|
||||
up_lr_weight: List[float] = None,
|
||||
mid_lr_weight: float = None,
|
||||
down_lr_weight: List[float] = None,
|
||||
):
|
||||
def set_block_lr_weight(self, block_lr_weight: Optional[List[float]]):
|
||||
self.block_lr = True
|
||||
self.down_lr_weight = down_lr_weight
|
||||
self.mid_lr_weight = mid_lr_weight
|
||||
self.up_lr_weight = up_lr_weight
|
||||
self.block_lr_weight = block_lr_weight
|
||||
|
||||
def get_lr_weight(self, lora: LoRAModule) -> float:
|
||||
lr_weight = 1.0
|
||||
block_idx = get_block_index(lora.lora_name)
|
||||
if block_idx < 0:
|
||||
return lr_weight
|
||||
|
||||
if block_idx < LoRANetwork.NUM_OF_BLOCKS:
|
||||
if self.down_lr_weight != None:
|
||||
lr_weight = self.down_lr_weight[block_idx]
|
||||
elif block_idx == LoRANetwork.NUM_OF_BLOCKS:
|
||||
if self.mid_lr_weight != None:
|
||||
lr_weight = self.mid_lr_weight
|
||||
elif block_idx > LoRANetwork.NUM_OF_BLOCKS:
|
||||
if self.up_lr_weight != None:
|
||||
lr_weight = self.up_lr_weight[block_idx - LoRANetwork.NUM_OF_BLOCKS - 1]
|
||||
|
||||
return lr_weight
|
||||
def get_lr_weight(self, block_idx: int) -> float:
|
||||
if not self.block_lr or self.block_lr_weight is None:
|
||||
return 1.0
|
||||
return self.block_lr_weight[block_idx]
|
||||
|
||||
def set_loraplus_lr_ratio(self, loraplus_lr_ratio, loraplus_unet_lr_ratio, loraplus_text_encoder_lr_ratio):
|
||||
self.loraplus_lr_ratio = loraplus_lr_ratio
|
||||
@@ -1106,10 +1137,16 @@ class LoRANetwork(torch.nn.Module):
|
||||
|
||||
if self.unet_loras:
|
||||
if self.block_lr:
|
||||
is_sdxl = False
|
||||
for lora in self.unet_loras:
|
||||
if "input_blocks" in lora.lora_name or "output_blocks" in lora.lora_name:
|
||||
is_sdxl = True
|
||||
break
|
||||
|
||||
# 学習率のグラフをblockごとにしたいので、blockごとにloraを分類
|
||||
block_idx_to_lora = {}
|
||||
for lora in self.unet_loras:
|
||||
idx = get_block_index(lora.lora_name)
|
||||
idx = get_block_index(lora.lora_name, is_sdxl)
|
||||
if idx not in block_idx_to_lora:
|
||||
block_idx_to_lora[idx] = []
|
||||
block_idx_to_lora[idx].append(lora)
|
||||
@@ -1118,7 +1155,7 @@ class LoRANetwork(torch.nn.Module):
|
||||
for idx, block_loras in block_idx_to_lora.items():
|
||||
params, descriptions = assemble_params(
|
||||
block_loras,
|
||||
(unet_lr if unet_lr is not None else default_lr) * self.get_lr_weight(block_loras[0]),
|
||||
(unet_lr if unet_lr is not None else default_lr) * self.get_lr_weight(idx),
|
||||
self.loraplus_unet_lr_ratio or self.loraplus_lr_ratio,
|
||||
)
|
||||
all_params.extend(params)
|
||||
|
||||
@@ -346,13 +346,13 @@ class NetworkTrainer:
|
||||
else:
|
||||
trainable_params = results
|
||||
lr_descriptions = None
|
||||
except TypeError:
|
||||
except TypeError as e:
|
||||
# logger.warning(f"{e}")
|
||||
# accelerator.print(
|
||||
# "Deprecated: use prepare_optimizer_params(text_encoder_lr, unet_lr, learning_rate) instead of prepare_optimizer_params(text_encoder_lr, unet_lr)"
|
||||
# )
|
||||
trainable_params = network.prepare_optimizer_params(args.text_encoder_lr, args.unet_lr)
|
||||
lr_descriptions = None
|
||||
print(lr_descriptions)
|
||||
|
||||
optimizer_name, optimizer_args, optimizer = train_util.get_optimizer(args, trainable_params)
|
||||
|
||||
|
||||
Reference in New Issue
Block a user