578 lines
26 KiB
Python
578 lines
26 KiB
Python
"""
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This file is part of ComfyUI.
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Copyright (C) 2024 Comfy
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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from __future__ import annotations
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import comfy.utils
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import comfy.model_management
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import comfy.model_base
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import logging
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import torch
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LORA_CLIP_MAP = {
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"mlp.fc1": "mlp_fc1",
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"mlp.fc2": "mlp_fc2",
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"self_attn.k_proj": "self_attn_k_proj",
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"self_attn.q_proj": "self_attn_q_proj",
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"self_attn.v_proj": "self_attn_v_proj",
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"self_attn.out_proj": "self_attn_out_proj",
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}
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def load_lora(lora, to_load):
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patch_dict = {}
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loaded_keys = set()
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for x in to_load:
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alpha_name = "{}.alpha".format(x)
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alpha = None
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if alpha_name in lora.keys():
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alpha = lora[alpha_name].item()
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loaded_keys.add(alpha_name)
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dora_scale_name = "{}.dora_scale".format(x)
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dora_scale = None
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if dora_scale_name in lora.keys():
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dora_scale = lora[dora_scale_name]
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loaded_keys.add(dora_scale_name)
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regular_lora = "{}.lora_up.weight".format(x)
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diffusers_lora = "{}_lora.up.weight".format(x)
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diffusers2_lora = "{}.lora_B.weight".format(x)
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diffusers3_lora = "{}.lora.up.weight".format(x)
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transformers_lora = "{}.lora_linear_layer.up.weight".format(x)
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A_name = None
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if regular_lora in lora.keys():
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A_name = regular_lora
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B_name = "{}.lora_down.weight".format(x)
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mid_name = "{}.lora_mid.weight".format(x)
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elif diffusers_lora in lora.keys():
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A_name = diffusers_lora
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B_name = "{}_lora.down.weight".format(x)
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mid_name = None
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elif diffusers2_lora in lora.keys():
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A_name = diffusers2_lora
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B_name = "{}.lora_A.weight".format(x)
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mid_name = None
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elif diffusers3_lora in lora.keys():
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A_name = diffusers3_lora
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B_name = "{}.lora.down.weight".format(x)
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mid_name = None
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elif transformers_lora in lora.keys():
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A_name = transformers_lora
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B_name ="{}.lora_linear_layer.down.weight".format(x)
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mid_name = None
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if A_name is not None:
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mid = None
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if mid_name is not None and mid_name in lora.keys():
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mid = lora[mid_name]
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loaded_keys.add(mid_name)
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patch_dict[to_load[x]] = ("lora", (lora[A_name], lora[B_name], alpha, mid, dora_scale))
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loaded_keys.add(A_name)
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loaded_keys.add(B_name)
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######## loha
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hada_w1_a_name = "{}.hada_w1_a".format(x)
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hada_w1_b_name = "{}.hada_w1_b".format(x)
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hada_w2_a_name = "{}.hada_w2_a".format(x)
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hada_w2_b_name = "{}.hada_w2_b".format(x)
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hada_t1_name = "{}.hada_t1".format(x)
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hada_t2_name = "{}.hada_t2".format(x)
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if hada_w1_a_name in lora.keys():
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hada_t1 = None
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hada_t2 = None
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if hada_t1_name in lora.keys():
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hada_t1 = lora[hada_t1_name]
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hada_t2 = lora[hada_t2_name]
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loaded_keys.add(hada_t1_name)
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loaded_keys.add(hada_t2_name)
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patch_dict[to_load[x]] = ("loha", (lora[hada_w1_a_name], lora[hada_w1_b_name], alpha, lora[hada_w2_a_name], lora[hada_w2_b_name], hada_t1, hada_t2, dora_scale))
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loaded_keys.add(hada_w1_a_name)
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loaded_keys.add(hada_w1_b_name)
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loaded_keys.add(hada_w2_a_name)
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loaded_keys.add(hada_w2_b_name)
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######## lokr
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lokr_w1_name = "{}.lokr_w1".format(x)
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lokr_w2_name = "{}.lokr_w2".format(x)
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lokr_w1_a_name = "{}.lokr_w1_a".format(x)
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lokr_w1_b_name = "{}.lokr_w1_b".format(x)
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lokr_t2_name = "{}.lokr_t2".format(x)
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lokr_w2_a_name = "{}.lokr_w2_a".format(x)
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lokr_w2_b_name = "{}.lokr_w2_b".format(x)
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lokr_w1 = None
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if lokr_w1_name in lora.keys():
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lokr_w1 = lora[lokr_w1_name]
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loaded_keys.add(lokr_w1_name)
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lokr_w2 = None
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if lokr_w2_name in lora.keys():
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lokr_w2 = lora[lokr_w2_name]
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loaded_keys.add(lokr_w2_name)
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lokr_w1_a = None
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if lokr_w1_a_name in lora.keys():
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lokr_w1_a = lora[lokr_w1_a_name]
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loaded_keys.add(lokr_w1_a_name)
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lokr_w1_b = None
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if lokr_w1_b_name in lora.keys():
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lokr_w1_b = lora[lokr_w1_b_name]
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loaded_keys.add(lokr_w1_b_name)
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lokr_w2_a = None
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if lokr_w2_a_name in lora.keys():
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lokr_w2_a = lora[lokr_w2_a_name]
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loaded_keys.add(lokr_w2_a_name)
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lokr_w2_b = None
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if lokr_w2_b_name in lora.keys():
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lokr_w2_b = lora[lokr_w2_b_name]
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loaded_keys.add(lokr_w2_b_name)
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lokr_t2 = None
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if lokr_t2_name in lora.keys():
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lokr_t2 = lora[lokr_t2_name]
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loaded_keys.add(lokr_t2_name)
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if (lokr_w1 is not None) or (lokr_w2 is not None) or (lokr_w1_a is not None) or (lokr_w2_a is not None):
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patch_dict[to_load[x]] = ("lokr", (lokr_w1, lokr_w2, alpha, lokr_w1_a, lokr_w1_b, lokr_w2_a, lokr_w2_b, lokr_t2, dora_scale))
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#glora
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a1_name = "{}.a1.weight".format(x)
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a2_name = "{}.a2.weight".format(x)
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b1_name = "{}.b1.weight".format(x)
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b2_name = "{}.b2.weight".format(x)
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if a1_name in lora:
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patch_dict[to_load[x]] = ("glora", (lora[a1_name], lora[a2_name], lora[b1_name], lora[b2_name], alpha, dora_scale))
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loaded_keys.add(a1_name)
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loaded_keys.add(a2_name)
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loaded_keys.add(b1_name)
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loaded_keys.add(b2_name)
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w_norm_name = "{}.w_norm".format(x)
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b_norm_name = "{}.b_norm".format(x)
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w_norm = lora.get(w_norm_name, None)
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b_norm = lora.get(b_norm_name, None)
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if w_norm is not None:
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loaded_keys.add(w_norm_name)
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patch_dict[to_load[x]] = ("diff", (w_norm,))
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if b_norm is not None:
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loaded_keys.add(b_norm_name)
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patch_dict["{}.bias".format(to_load[x][:-len(".weight")])] = ("diff", (b_norm,))
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diff_name = "{}.diff".format(x)
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diff_weight = lora.get(diff_name, None)
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if diff_weight is not None:
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patch_dict[to_load[x]] = ("diff", (diff_weight,))
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loaded_keys.add(diff_name)
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diff_bias_name = "{}.diff_b".format(x)
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diff_bias = lora.get(diff_bias_name, None)
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if diff_bias is not None:
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patch_dict["{}.bias".format(to_load[x][:-len(".weight")])] = ("diff", (diff_bias,))
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loaded_keys.add(diff_bias_name)
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for x in lora.keys():
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if x not in loaded_keys:
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logging.warning("lora key not loaded: {}".format(x))
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return patch_dict
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def model_lora_keys_clip(model, key_map={}):
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sdk = model.state_dict().keys()
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text_model_lora_key = "lora_te_text_model_encoder_layers_{}_{}"
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clip_l_present = False
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for b in range(32): #TODO: clean up
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for c in LORA_CLIP_MAP:
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k = "clip_h.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
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if k in sdk:
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lora_key = text_model_lora_key.format(b, LORA_CLIP_MAP[c])
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key_map[lora_key] = k
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lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c])
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key_map[lora_key] = k
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lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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k = "clip_l.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
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if k in sdk:
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lora_key = text_model_lora_key.format(b, LORA_CLIP_MAP[c])
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key_map[lora_key] = k
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lora_key = "lora_te1_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
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key_map[lora_key] = k
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clip_l_present = True
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lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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k = "clip_g.transformer.text_model.encoder.layers.{}.{}.weight".format(b, c)
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if k in sdk:
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if clip_l_present:
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lora_key = "lora_te2_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #SDXL base
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key_map[lora_key] = k
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lora_key = "text_encoder_2.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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else:
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lora_key = "lora_te_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #TODO: test if this is correct for SDXL-Refiner
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key_map[lora_key] = k
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lora_key = "text_encoder.text_model.encoder.layers.{}.{}".format(b, c) #diffusers lora
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key_map[lora_key] = k
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lora_key = "lora_prior_te_text_model_encoder_layers_{}_{}".format(b, LORA_CLIP_MAP[c]) #cascade lora: TODO put lora key prefix in the model config
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key_map[lora_key] = k
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for k in sdk:
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if k.endswith(".weight"):
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if k.startswith("t5xxl.transformer."):#OneTrainer SD3 lora
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l_key = k[len("t5xxl.transformer."):-len(".weight")]
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lora_key = "lora_te3_{}".format(l_key.replace(".", "_"))
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key_map[lora_key] = k
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elif k.startswith("hydit_clip.transformer.bert."): #HunyuanDiT Lora
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l_key = k[len("hydit_clip.transformer.bert."):-len(".weight")]
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lora_key = "lora_te1_{}".format(l_key.replace(".", "_"))
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key_map[lora_key] = k
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k = "clip_g.transformer.text_projection.weight"
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if k in sdk:
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key_map["lora_prior_te_text_projection"] = k #cascade lora?
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# key_map["text_encoder.text_projection"] = k #TODO: check if other lora have the text_projection too
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key_map["lora_te2_text_projection"] = k #OneTrainer SD3 lora
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k = "clip_l.transformer.text_projection.weight"
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if k in sdk:
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key_map["lora_te1_text_projection"] = k #OneTrainer SD3 lora, not necessary but omits warning
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return key_map
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def model_lora_keys_unet(model, key_map={}):
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sd = model.state_dict()
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sdk = sd.keys()
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for k in sdk:
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if k.startswith("diffusion_model.") and k.endswith(".weight"):
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key_lora = k[len("diffusion_model."):-len(".weight")].replace(".", "_")
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key_map["lora_unet_{}".format(key_lora)] = k
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key_map["lora_prior_unet_{}".format(key_lora)] = k #cascade lora: TODO put lora key prefix in the model config
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key_map["{}".format(k[:-len(".weight")])] = k #generic lora format without any weird key names
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diffusers_keys = comfy.utils.unet_to_diffusers(model.model_config.unet_config)
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for k in diffusers_keys:
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if k.endswith(".weight"):
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unet_key = "diffusion_model.{}".format(diffusers_keys[k])
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key_lora = k[:-len(".weight")].replace(".", "_")
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key_map["lora_unet_{}".format(key_lora)] = unet_key
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diffusers_lora_prefix = ["", "unet."]
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for p in diffusers_lora_prefix:
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diffusers_lora_key = "{}{}".format(p, k[:-len(".weight")].replace(".to_", ".processor.to_"))
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if diffusers_lora_key.endswith(".to_out.0"):
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diffusers_lora_key = diffusers_lora_key[:-2]
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key_map[diffusers_lora_key] = unet_key
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if isinstance(model, comfy.model_base.SD3): #Diffusers lora SD3
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diffusers_keys = comfy.utils.mmdit_to_diffusers(model.model_config.unet_config, output_prefix="diffusion_model.")
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for k in diffusers_keys:
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if k.endswith(".weight"):
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to = diffusers_keys[k]
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key_lora = "transformer.{}".format(k[:-len(".weight")]) #regular diffusers sd3 lora format
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key_map[key_lora] = to
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key_lora = "base_model.model.{}".format(k[:-len(".weight")]) #format for flash-sd3 lora and others?
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key_map[key_lora] = to
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key_lora = "lora_transformer_{}".format(k[:-len(".weight")].replace(".", "_")) #OneTrainer lora
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key_map[key_lora] = to
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if isinstance(model, comfy.model_base.AuraFlow): #Diffusers lora AuraFlow
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diffusers_keys = comfy.utils.auraflow_to_diffusers(model.model_config.unet_config, output_prefix="diffusion_model.")
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for k in diffusers_keys:
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if k.endswith(".weight"):
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to = diffusers_keys[k]
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key_lora = "transformer.{}".format(k[:-len(".weight")]) #simpletrainer and probably regular diffusers lora format
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key_map[key_lora] = to
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if isinstance(model, comfy.model_base.HunyuanDiT):
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for k in sdk:
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if k.startswith("diffusion_model.") and k.endswith(".weight"):
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key_lora = k[len("diffusion_model."):-len(".weight")]
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key_map["base_model.model.{}".format(key_lora)] = k #official hunyuan lora format
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if isinstance(model, comfy.model_base.Flux): #Diffusers lora Flux
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diffusers_keys = comfy.utils.flux_to_diffusers(model.model_config.unet_config, output_prefix="diffusion_model.")
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for k in diffusers_keys:
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if k.endswith(".weight"):
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to = diffusers_keys[k]
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key_map["transformer.{}".format(k[:-len(".weight")])] = to #simpletrainer and probably regular diffusers flux lora format
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key_map["lycoris_{}".format(k[:-len(".weight")].replace(".", "_"))] = to #simpletrainer lycoris
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key_map["lora_transformer_{}".format(k[:-len(".weight")].replace(".", "_"))] = to #onetrainer
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return key_map
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def weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype):
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dora_scale = comfy.model_management.cast_to_device(dora_scale, weight.device, intermediate_dtype)
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lora_diff *= alpha
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weight_calc = weight + lora_diff.type(weight.dtype)
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weight_norm = (
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weight_calc.transpose(0, 1)
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.reshape(weight_calc.shape[1], -1)
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.norm(dim=1, keepdim=True)
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.reshape(weight_calc.shape[1], *[1] * (weight_calc.dim() - 1))
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.transpose(0, 1)
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)
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weight_calc *= (dora_scale / weight_norm).type(weight.dtype)
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if strength != 1.0:
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weight_calc -= weight
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weight += strength * (weight_calc)
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else:
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weight[:] = weight_calc
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return weight
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def pad_tensor_to_shape(tensor: torch.Tensor, new_shape: list[int]) -> torch.Tensor:
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"""
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Pad a tensor to a new shape with zeros.
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Args:
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tensor (torch.Tensor): The original tensor to be padded.
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new_shape (List[int]): The desired shape of the padded tensor.
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Returns:
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torch.Tensor: A new tensor padded with zeros to the specified shape.
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Note:
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If the new shape is smaller than the original tensor in any dimension,
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the original tensor will be truncated in that dimension.
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"""
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if any([new_shape[i] < tensor.shape[i] for i in range(len(new_shape))]):
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raise ValueError("The new shape must be larger than the original tensor in all dimensions")
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if len(new_shape) != len(tensor.shape):
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raise ValueError("The new shape must have the same number of dimensions as the original tensor")
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# Create a new tensor filled with zeros
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padded_tensor = torch.zeros(new_shape, dtype=tensor.dtype, device=tensor.device)
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# Create slicing tuples for both tensors
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orig_slices = tuple(slice(0, dim) for dim in tensor.shape)
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new_slices = tuple(slice(0, dim) for dim in tensor.shape)
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# Copy the original tensor into the new tensor
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padded_tensor[new_slices] = tensor[orig_slices]
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return padded_tensor
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def calculate_weight(patches, weight, key, intermediate_dtype=torch.float32):
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for p in patches:
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strength = p[0]
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v = p[1]
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strength_model = p[2]
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offset = p[3]
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function = p[4]
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if function is None:
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function = lambda a: a
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old_weight = None
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if offset is not None:
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old_weight = weight
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weight = weight.narrow(offset[0], offset[1], offset[2])
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if strength_model != 1.0:
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weight *= strength_model
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if isinstance(v, list):
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v = (calculate_weight(v[1:], v[0].clone(), key, intermediate_dtype=intermediate_dtype), )
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if len(v) == 1:
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patch_type = "diff"
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elif len(v) == 2:
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patch_type = v[0]
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v = v[1]
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if patch_type == "diff":
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diff: torch.Tensor = v[0]
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# An extra flag to pad the weight if the diff's shape is larger than the weight
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do_pad_weight = len(v) > 1 and v[1]['pad_weight']
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if do_pad_weight and diff.shape != weight.shape:
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logging.info("Pad weight {} from {} to shape: {}".format(key, weight.shape, diff.shape))
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weight = pad_tensor_to_shape(weight, diff.shape)
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if strength != 0.0:
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if diff.shape != weight.shape:
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logging.warning("WARNING SHAPE MISMATCH {} WEIGHT NOT MERGED {} != {}".format(key, diff.shape, weight.shape))
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else:
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weight += function(strength * comfy.model_management.cast_to_device(diff, weight.device, weight.dtype))
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elif patch_type == "lora": #lora/locon
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mat1 = comfy.model_management.cast_to_device(v[0], weight.device, intermediate_dtype)
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mat2 = comfy.model_management.cast_to_device(v[1], weight.device, intermediate_dtype)
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dora_scale = v[4]
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if v[2] is not None:
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alpha = v[2] / mat2.shape[0]
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else:
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alpha = 1.0
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if v[3] is not None:
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#locon mid weights, hopefully the math is fine because I didn't properly test it
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mat3 = comfy.model_management.cast_to_device(v[3], weight.device, intermediate_dtype)
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final_shape = [mat2.shape[1], mat2.shape[0], mat3.shape[2], mat3.shape[3]]
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mat2 = torch.mm(mat2.transpose(0, 1).flatten(start_dim=1), mat3.transpose(0, 1).flatten(start_dim=1)).reshape(final_shape).transpose(0, 1)
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try:
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lora_diff = torch.mm(mat1.flatten(start_dim=1), mat2.flatten(start_dim=1)).reshape(weight.shape)
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if dora_scale is not None:
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weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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else:
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weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
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except Exception as e:
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logging.error("ERROR {} {} {}".format(patch_type, key, e))
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elif patch_type == "lokr":
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w1 = v[0]
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w2 = v[1]
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w1_a = v[3]
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w1_b = v[4]
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w2_a = v[5]
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w2_b = v[6]
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t2 = v[7]
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dora_scale = v[8]
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dim = None
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|
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if w1 is None:
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dim = w1_b.shape[0]
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w1 = torch.mm(comfy.model_management.cast_to_device(w1_a, weight.device, intermediate_dtype),
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comfy.model_management.cast_to_device(w1_b, weight.device, intermediate_dtype))
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else:
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w1 = comfy.model_management.cast_to_device(w1, weight.device, intermediate_dtype)
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|
|
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if w2 is None:
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dim = w2_b.shape[0]
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if t2 is None:
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w2 = torch.mm(comfy.model_management.cast_to_device(w2_a, weight.device, intermediate_dtype),
|
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comfy.model_management.cast_to_device(w2_b, weight.device, intermediate_dtype))
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else:
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|
w2 = torch.einsum('i j k l, j r, i p -> p r k l',
|
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comfy.model_management.cast_to_device(t2, weight.device, intermediate_dtype),
|
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comfy.model_management.cast_to_device(w2_b, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w2_a, weight.device, intermediate_dtype))
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else:
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|
w2 = comfy.model_management.cast_to_device(w2, weight.device, intermediate_dtype)
|
|
|
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if len(w2.shape) == 4:
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|
w1 = w1.unsqueeze(2).unsqueeze(2)
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|
if v[2] is not None and dim is not None:
|
|
alpha = v[2] / dim
|
|
else:
|
|
alpha = 1.0
|
|
|
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try:
|
|
lora_diff = torch.kron(w1, w2).reshape(weight.shape)
|
|
if dora_scale is not None:
|
|
weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
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|
else:
|
|
weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
|
|
except Exception as e:
|
|
logging.error("ERROR {} {} {}".format(patch_type, key, e))
|
|
elif patch_type == "loha":
|
|
w1a = v[0]
|
|
w1b = v[1]
|
|
if v[2] is not None:
|
|
alpha = v[2] / w1b.shape[0]
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|
else:
|
|
alpha = 1.0
|
|
|
|
w2a = v[3]
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|
w2b = v[4]
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|
dora_scale = v[7]
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|
if v[5] is not None: #cp decomposition
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|
t1 = v[5]
|
|
t2 = v[6]
|
|
m1 = torch.einsum('i j k l, j r, i p -> p r k l',
|
|
comfy.model_management.cast_to_device(t1, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w1b, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w1a, weight.device, intermediate_dtype))
|
|
|
|
m2 = torch.einsum('i j k l, j r, i p -> p r k l',
|
|
comfy.model_management.cast_to_device(t2, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w2b, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w2a, weight.device, intermediate_dtype))
|
|
else:
|
|
m1 = torch.mm(comfy.model_management.cast_to_device(w1a, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w1b, weight.device, intermediate_dtype))
|
|
m2 = torch.mm(comfy.model_management.cast_to_device(w2a, weight.device, intermediate_dtype),
|
|
comfy.model_management.cast_to_device(w2b, weight.device, intermediate_dtype))
|
|
|
|
try:
|
|
lora_diff = (m1 * m2).reshape(weight.shape)
|
|
if dora_scale is not None:
|
|
weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
|
|
else:
|
|
weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
|
|
except Exception as e:
|
|
logging.error("ERROR {} {} {}".format(patch_type, key, e))
|
|
elif patch_type == "glora":
|
|
dora_scale = v[5]
|
|
|
|
old_glora = False
|
|
if v[3].shape[1] == v[2].shape[0] == v[0].shape[0] == v[1].shape[1]:
|
|
rank = v[0].shape[0]
|
|
old_glora = True
|
|
|
|
if v[3].shape[0] == v[2].shape[1] == v[0].shape[1] == v[1].shape[0]:
|
|
if old_glora and v[1].shape[0] == weight.shape[0] and weight.shape[0] == weight.shape[1]:
|
|
pass
|
|
else:
|
|
old_glora = False
|
|
rank = v[1].shape[0]
|
|
|
|
a1 = comfy.model_management.cast_to_device(v[0].flatten(start_dim=1), weight.device, intermediate_dtype)
|
|
a2 = comfy.model_management.cast_to_device(v[1].flatten(start_dim=1), weight.device, intermediate_dtype)
|
|
b1 = comfy.model_management.cast_to_device(v[2].flatten(start_dim=1), weight.device, intermediate_dtype)
|
|
b2 = comfy.model_management.cast_to_device(v[3].flatten(start_dim=1), weight.device, intermediate_dtype)
|
|
|
|
if v[4] is not None:
|
|
alpha = v[4] / rank
|
|
else:
|
|
alpha = 1.0
|
|
|
|
try:
|
|
if old_glora:
|
|
lora_diff = (torch.mm(b2, b1) + torch.mm(torch.mm(weight.flatten(start_dim=1).to(dtype=intermediate_dtype), a2), a1)).reshape(weight.shape) #old lycoris glora
|
|
else:
|
|
if weight.dim() > 2:
|
|
lora_diff = torch.einsum("o i ..., i j -> o j ...", torch.einsum("o i ..., i j -> o j ...", weight.to(dtype=intermediate_dtype), a1), a2).reshape(weight.shape)
|
|
else:
|
|
lora_diff = torch.mm(torch.mm(weight.to(dtype=intermediate_dtype), a1), a2).reshape(weight.shape)
|
|
lora_diff += torch.mm(b1, b2).reshape(weight.shape)
|
|
|
|
if dora_scale is not None:
|
|
weight = function(weight_decompose(dora_scale, weight, lora_diff, alpha, strength, intermediate_dtype))
|
|
else:
|
|
weight += function(((strength * alpha) * lora_diff).type(weight.dtype))
|
|
except Exception as e:
|
|
logging.error("ERROR {} {} {}".format(patch_type, key, e))
|
|
else:
|
|
logging.warning("patch type not recognized {} {}".format(patch_type, key))
|
|
|
|
if old_weight is not None:
|
|
weight = old_weight
|
|
|
|
return weight
|