aboutsummaryrefslogtreecommitdiff
path: root/modules/sd_models.py
diff options
context:
space:
mode:
authorIvan <ivan.demian2009@gmail.com>2023-01-27 17:21:48 +0500
committerGitHub <noreply@github.com>2023-01-27 17:21:48 +0500
commit63391419c11c1749a3d83dade19235a836c509f9 (patch)
tree5781c7fe6de7a61bb5936956e68e0582f03d7f6c /modules/sd_models.py
parentf5d73b6a6646b51027c8e6f6c6154f21b58d6af2 (diff)
parent9beb794e0b0dc1a0f9e89d8e38bd789a8c608397 (diff)
Merge branch 'AUTOMATIC1111:master' into master
Diffstat (limited to 'modules/sd_models.py')
-rw-r--r--modules/sd_models.py236
1 files changed, 117 insertions, 119 deletions
diff --git a/modules/sd_models.py b/modules/sd_models.py
index 7072eb2e..37dad18d 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -2,8 +2,6 @@ import collections
import os.path
import sys
import gc
-import time
-from collections import namedtuple
import torch
import re
import safetensors.torch
@@ -14,10 +12,10 @@ import ldm.modules.midas as midas
from ldm.util import instantiate_from_config
-from modules import shared, modelloader, devices, script_callbacks, sd_vae, sd_disable_initialization, errors, hashes
+from modules import shared, modelloader, devices, script_callbacks, sd_vae, sd_disable_initialization, errors, hashes, sd_models_config
from modules.paths import models_path
-from modules.sd_hijack_inpainting import do_inpainting_hijack, should_hijack_inpainting
-from modules.sd_hijack_ip2p import should_hijack_ip2p
+from modules.sd_hijack_inpainting import do_inpainting_hijack
+from modules.timer import Timer
model_dir = "Stable-diffusion"
model_path = os.path.abspath(os.path.join(models_path, model_dir))
@@ -99,17 +97,6 @@ def checkpoint_tiles():
return sorted([x.title for x in checkpoints_list.values()], key=alphanumeric_key)
-def find_checkpoint_config(info):
- if info is None:
- return shared.cmd_opts.config
-
- config = os.path.splitext(info.filename)[0] + ".yaml"
- if os.path.exists(config):
- return config
-
- return shared.cmd_opts.config
-
-
def list_models():
checkpoints_list.clear()
checkpoint_alisases.clear()
@@ -215,9 +202,7 @@ def get_state_dict_from_checkpoint(pl_sd):
def read_state_dict(checkpoint_file, print_global_state=False, map_location=None):
_, extension = os.path.splitext(checkpoint_file)
if extension.lower() == ".safetensors":
- device = map_location or shared.weight_load_location
- if device is None:
- device = devices.get_cuda_device_string() if torch.cuda.is_available() else "cpu"
+ device = map_location or shared.weight_load_location or devices.get_optimal_device_name()
pl_sd = safetensors.torch.load_file(checkpoint_file, device=device)
else:
pl_sd = torch.load(checkpoint_file, map_location=map_location or shared.weight_load_location)
@@ -229,60 +214,74 @@ def read_state_dict(checkpoint_file, print_global_state=False, map_location=None
return sd
-def load_model_weights(model, checkpoint_info: CheckpointInfo):
+def get_checkpoint_state_dict(checkpoint_info: CheckpointInfo, timer):
+ sd_model_hash = checkpoint_info.calculate_shorthash()
+ timer.record("calculate hash")
+
+ if checkpoint_info in checkpoints_loaded:
+ # use checkpoint cache
+ print(f"Loading weights [{sd_model_hash}] from cache")
+ return checkpoints_loaded[checkpoint_info]
+
+ print(f"Loading weights [{sd_model_hash}] from {checkpoint_info.filename}")
+ res = read_state_dict(checkpoint_info.filename)
+ timer.record("load weights from disk")
+
+ return res
+
+
+def load_model_weights(model, checkpoint_info: CheckpointInfo, state_dict, timer):
title = checkpoint_info.title
sd_model_hash = checkpoint_info.calculate_shorthash()
+ timer.record("calculate hash")
+
if checkpoint_info.title != title:
shared.opts.data["sd_model_checkpoint"] = checkpoint_info.title
- cache_enabled = shared.opts.sd_checkpoint_cache > 0
+ if state_dict is None:
+ state_dict = get_checkpoint_state_dict(checkpoint_info, timer)
- if cache_enabled and checkpoint_info in checkpoints_loaded:
- # use checkpoint cache
- print(f"Loading weights [{sd_model_hash}] from cache")
- model.load_state_dict(checkpoints_loaded[checkpoint_info])
- else:
- # load from file
- print(f"Loading weights [{sd_model_hash}] from {checkpoint_info.filename}")
+ model.load_state_dict(state_dict, strict=False)
+ del state_dict
+ timer.record("apply weights to model")
- sd = read_state_dict(checkpoint_info.filename)
- model.load_state_dict(sd, strict=False)
- del sd
-
- if cache_enabled:
- # cache newly loaded model
- checkpoints_loaded[checkpoint_info] = model.state_dict().copy()
+ if shared.opts.sd_checkpoint_cache > 0:
+ # cache newly loaded model
+ checkpoints_loaded[checkpoint_info] = model.state_dict().copy()
+
+ if shared.cmd_opts.opt_channelslast:
+ model.to(memory_format=torch.channels_last)
+ timer.record("apply channels_last")
- if shared.cmd_opts.opt_channelslast:
- model.to(memory_format=torch.channels_last)
+ if not shared.cmd_opts.no_half:
+ vae = model.first_stage_model
+ depth_model = getattr(model, 'depth_model', None)
- if not shared.cmd_opts.no_half:
- vae = model.first_stage_model
- depth_model = getattr(model, 'depth_model', None)
+ # with --no-half-vae, remove VAE from model when doing half() to prevent its weights from being converted to float16
+ if shared.cmd_opts.no_half_vae:
+ model.first_stage_model = None
+ # with --upcast-sampling, don't convert the depth model weights to float16
+ if shared.cmd_opts.upcast_sampling and depth_model:
+ model.depth_model = None
- # with --no-half-vae, remove VAE from model when doing half() to prevent its weights from being converted to float16
- if shared.cmd_opts.no_half_vae:
- model.first_stage_model = None
- # with --upcast-sampling, don't convert the depth model weights to float16
- if shared.cmd_opts.upcast_sampling and depth_model:
- model.depth_model = None
+ model.half()
+ model.first_stage_model = vae
+ if depth_model:
+ model.depth_model = depth_model
- model.half()
- model.first_stage_model = vae
- if depth_model:
- model.depth_model = depth_model
+ timer.record("apply half()")
- devices.dtype = torch.float32 if shared.cmd_opts.no_half else torch.float16
- devices.dtype_vae = torch.float32 if shared.cmd_opts.no_half or shared.cmd_opts.no_half_vae else torch.float16
- devices.dtype_unet = model.model.diffusion_model.dtype
- devices.unet_needs_upcast = shared.cmd_opts.upcast_sampling and devices.dtype == torch.float16 and devices.dtype_unet == torch.float16
+ devices.dtype = torch.float32 if shared.cmd_opts.no_half else torch.float16
+ devices.dtype_vae = torch.float32 if shared.cmd_opts.no_half or shared.cmd_opts.no_half_vae else torch.float16
+ devices.dtype_unet = model.model.diffusion_model.dtype
+ devices.unet_needs_upcast = shared.cmd_opts.upcast_sampling and devices.dtype == torch.float16 and devices.dtype_unet == torch.float16
- model.first_stage_model.to(devices.dtype_vae)
+ model.first_stage_model.to(devices.dtype_vae)
+ timer.record("apply dtype to VAE")
# clean up cache if limit is reached
- if cache_enabled:
- while len(checkpoints_loaded) > shared.opts.sd_checkpoint_cache + 1: # we need to count the current model
- checkpoints_loaded.popitem(last=False) # LRU
+ while len(checkpoints_loaded) > shared.opts.sd_checkpoint_cache:
+ checkpoints_loaded.popitem(last=False)
model.sd_model_hash = sd_model_hash
model.sd_model_checkpoint = checkpoint_info.filename
@@ -295,6 +294,7 @@ def load_model_weights(model, checkpoint_info: CheckpointInfo):
sd_vae.clear_loaded_vae()
vae_file, vae_source = sd_vae.resolve_vae(checkpoint_info.filename)
sd_vae.load_vae(model, vae_file, vae_source)
+ timer.record("load VAE")
def enable_midas_autodownload():
@@ -340,24 +340,20 @@ def enable_midas_autodownload():
midas.api.load_model = load_model_wrapper
-class Timer:
- def __init__(self):
- self.start = time.time()
+def repair_config(sd_config):
+
+ if not hasattr(sd_config.model.params, "use_ema"):
+ sd_config.model.params.use_ema = False
- def elapsed(self):
- end = time.time()
- res = end - self.start
- self.start = end
- return res
+ if shared.cmd_opts.no_half:
+ sd_config.model.params.unet_config.params.use_fp16 = False
+ elif shared.cmd_opts.upcast_sampling:
+ sd_config.model.params.unet_config.params.use_fp16 = True
-def load_model(checkpoint_info=None):
+def load_model(checkpoint_info=None, already_loaded_state_dict=None, time_taken_to_load_state_dict=None):
from modules import lowvram, sd_hijack
checkpoint_info = checkpoint_info or select_checkpoint()
- checkpoint_config = find_checkpoint_config(checkpoint_info)
-
- if checkpoint_config != shared.cmd_opts.config:
- print(f"Loading config from: {checkpoint_config}")
if shared.sd_model:
sd_hijack.model_hijack.undo_hijack(shared.sd_model)
@@ -365,38 +361,27 @@ def load_model(checkpoint_info=None):
gc.collect()
devices.torch_gc()
- sd_config = OmegaConf.load(checkpoint_config)
-
- if should_hijack_inpainting(checkpoint_info):
- # Hardcoded config for now...
- sd_config.model.target = "ldm.models.diffusion.ddpm.LatentInpaintDiffusion"
- sd_config.model.params.conditioning_key = "hybrid"
- sd_config.model.params.unet_config.params.in_channels = 9
- sd_config.model.params.finetune_keys = None
-
- if should_hijack_ip2p(checkpoint_info):
- sd_config.model.target = "modules.models.diffusion.ddpm_edit.LatentDiffusion"
- sd_config.model.params.conditioning_key = "hybrid"
- sd_config.model.params.first_stage_key = "edited"
- sd_config.model.params.cond_stage_key = "edit"
- sd_config.model.params.image_size = 16
- sd_config.model.params.unet_config.params.in_channels = 8
- sd_config.model.params.unet_config.params.out_channels = 4
+ do_inpainting_hijack()
- if not hasattr(sd_config.model.params, "use_ema"):
- sd_config.model.params.use_ema = False
+ timer = Timer()
- do_inpainting_hijack()
+ if already_loaded_state_dict is not None:
+ state_dict = already_loaded_state_dict
+ else:
+ state_dict = get_checkpoint_state_dict(checkpoint_info, timer)
- if shared.cmd_opts.no_half:
- sd_config.model.params.unet_config.params.use_fp16 = False
- elif shared.cmd_opts.upcast_sampling:
- sd_config.model.params.unet_config.params.use_fp16 = True
+ checkpoint_config = sd_models_config.find_checkpoint_config(state_dict, checkpoint_info)
- timer = Timer()
+ timer.record("find config")
- sd_model = None
+ sd_config = OmegaConf.load(checkpoint_config)
+ repair_config(sd_config)
+
+ timer.record("load config")
+ print(f"Creating model from config: {checkpoint_config}")
+
+ sd_model = None
try:
with sd_disable_initialization.DisableInitialization():
sd_model = instantiate_from_config(sd_config.model)
@@ -407,29 +392,35 @@ def load_model(checkpoint_info=None):
print('Failed to create model quickly; will retry using slow method.', file=sys.stderr)
sd_model = instantiate_from_config(sd_config.model)
- elapsed_create = timer.elapsed()
+ sd_model.used_config = checkpoint_config
- load_model_weights(sd_model, checkpoint_info)
+ timer.record("create model")
- elapsed_load_weights = timer.elapsed()
+ load_model_weights(sd_model, checkpoint_info, state_dict, timer)
if shared.cmd_opts.lowvram or shared.cmd_opts.medvram:
lowvram.setup_for_low_vram(sd_model, shared.cmd_opts.medvram)
else:
sd_model.to(shared.device)
+ timer.record("move model to device")
+
sd_hijack.model_hijack.hijack(sd_model)
+ timer.record("hijack")
+
sd_model.eval()
shared.sd_model = sd_model
sd_hijack.model_hijack.embedding_db.load_textual_inversion_embeddings(force_reload=True) # Reload embeddings after model load as they may or may not fit the model
+ timer.record("load textual inversion embeddings")
+
script_callbacks.model_loaded_callback(sd_model)
- elapsed_the_rest = timer.elapsed()
+ timer.record("scripts callbacks")
- print(f"Model loaded in {elapsed_create + elapsed_load_weights + elapsed_the_rest:.1f}s ({elapsed_create:.1f}s create model, {elapsed_load_weights:.1f}s load weights).")
+ print(f"Model loaded in {timer.summary()}.")
return sd_model
@@ -440,6 +431,7 @@ def reload_model_weights(sd_model=None, info=None):
if not sd_model:
sd_model = shared.sd_model
+
if sd_model is None: # previous model load failed
current_checkpoint_info = None
else:
@@ -447,38 +439,44 @@ def reload_model_weights(sd_model=None, info=None):
if sd_model.sd_model_checkpoint == checkpoint_info.filename:
return
- checkpoint_config = find_checkpoint_config(current_checkpoint_info)
+ if shared.cmd_opts.lowvram or shared.cmd_opts.medvram:
+ lowvram.send_everything_to_cpu()
+ else:
+ sd_model.to(devices.cpu)
- if current_checkpoint_info is None or checkpoint_config != find_checkpoint_config(checkpoint_info) or should_hijack_inpainting(checkpoint_info) != should_hijack_inpainting(sd_model.sd_checkpoint_info) or should_hijack_ip2p(checkpoint_info) != should_hijack_ip2p(sd_model.sd_checkpoint_info):
- del sd_model
- checkpoints_loaded.clear()
- load_model(checkpoint_info)
- return shared.sd_model
+ sd_hijack.model_hijack.undo_hijack(sd_model)
- if shared.cmd_opts.lowvram or shared.cmd_opts.medvram:
- lowvram.send_everything_to_cpu()
- else:
- sd_model.to(devices.cpu)
+ timer = Timer()
- sd_hijack.model_hijack.undo_hijack(sd_model)
+ state_dict = get_checkpoint_state_dict(checkpoint_info, timer)
- timer = Timer()
+ checkpoint_config = sd_models_config.find_checkpoint_config(state_dict, checkpoint_info)
+
+ timer.record("find config")
+
+ if sd_model is None or checkpoint_config != sd_model.used_config:
+ del sd_model
+ checkpoints_loaded.clear()
+ load_model(checkpoint_info, already_loaded_state_dict=state_dict, time_taken_to_load_state_dict=timer.records["load weights from disk"])
+ return shared.sd_model
try:
- load_model_weights(sd_model, checkpoint_info)
+ load_model_weights(sd_model, checkpoint_info, state_dict, timer)
except Exception as e:
print("Failed to load checkpoint, restoring previous")
- load_model_weights(sd_model, current_checkpoint_info)
+ load_model_weights(sd_model, current_checkpoint_info, None, timer)
raise
finally:
sd_hijack.model_hijack.hijack(sd_model)
+ timer.record("hijack")
+
script_callbacks.model_loaded_callback(sd_model)
+ timer.record("script callbacks")
if not shared.cmd_opts.lowvram and not shared.cmd_opts.medvram:
sd_model.to(devices.device)
+ timer.record("move model to device")
- elapsed = timer.elapsed()
-
- print(f"Weights loaded in {elapsed:.1f}s.")
+ print(f"Weights loaded in {timer.summary()}.")
return sd_model