Better balanced offload

This commit is contained in:
Disty0
2024-08-14 11:53:35 +03:00
parent a73716bf89
commit 8619a7f35c
5 changed files with 74 additions and 20 deletions
+11 -7
View File
@@ -5,7 +5,7 @@ import typing
import torch
from compel.embeddings_provider import BaseTextualInversionManager, EmbeddingsProvider
from transformers import PreTrainedTokenizer
from modules import shared, prompt_parser, devices
from modules import shared, prompt_parser, devices, sd_models
debug_enabled = os.environ.get('SD_PROMPT_DEBUG', None)
@@ -173,7 +173,9 @@ def encode_prompts(pipe, p, prompts: list, negative_prompts: list, steps: int, c
p.negative_embeds = []
p.negative_pooleds = []
if hasattr(pipe, "maybe_free_model_hooks"):
if shared.opts.diffusers_offload_mode == "balanced":
pipe = sd_models.apply_balanced_offload(pipe)
elif hasattr(pipe, "maybe_free_model_hooks"):
# if the last job is interrupted, model will stay in the vram and cause oom, send everything back to cpu before continuing
pipe.maybe_free_model_hooks()
devices.torch_gc()
@@ -209,7 +211,9 @@ def encode_prompts(pipe, p, prompts: list, negative_prompts: list, steps: int, c
if debug_enabled:
get_tokens('positive', prompts[0])
get_tokens('negative', negative_prompts[0])
if hasattr(pipe, "maybe_free_model_hooks"):
if shared.opts.diffusers_offload_mode == "balanced":
pipe = sd_models.apply_balanced_offload(pipe)
elif hasattr(pipe, "maybe_free_model_hooks"):
# text encoder will stay in the vram and cause oom, send everything back to cpu before continuing
pipe.maybe_free_model_hooks()
debug(f"Prompt encode: time={(time.time() - t0):.3f}")
@@ -247,7 +251,7 @@ def get_prompts_with_weights(prompt: str):
def prepare_embedding_providers(pipe, clip_skip) -> list[EmbeddingsProvider]:
device = pipe.device if str(pipe.device) != 'meta' else devices.device
device = devices.device
embeddings_providers = []
if 'StableCascade' in pipe.__class__.__name__:
embedding_type = -(clip_skip)
@@ -272,7 +276,7 @@ def prepare_embedding_providers(pipe, clip_skip) -> list[EmbeddingsProvider]:
def pad_to_same_length(pipe, embeds, empty_embedding_providers=None):
if not hasattr(pipe, 'encode_prompt') and 'StableCascade' not in pipe.__class__.__name__:
return embeds
device = pipe.device if str(pipe.device) != 'meta' else devices.device
device = devices.device
if shared.opts.diffusers_zeros_prompt_pad or 'StableDiffusion3' in pipe.__class__.__name__:
empty_embed = [torch.zeros((1, 77, embeds[0].shape[2]), device=device, dtype=embeds[0].dtype)]
else:
@@ -317,7 +321,7 @@ def split_prompts(prompt, SD3 = False):
def get_weighted_text_embeddings(pipe, prompt: str = "", neg_prompt: str = "", clip_skip: int = None):
device = pipe.device if str(pipe.device) != 'meta' else devices.device
device = devices.device
SD3 = hasattr(pipe, 'text_encoder_3')
prompt, prompt_2, prompt_3 = split_prompts(prompt, SD3)
neg_prompt, neg_prompt_2, neg_prompt_3 = split_prompts(neg_prompt, SD3)
@@ -418,7 +422,7 @@ def get_weighted_text_embeddings(pipe, prompt: str = "", neg_prompt: str = "", c
if prompt_embeds.shape[1] != negative_prompt_embeds.shape[1]:
[prompt_embeds, negative_prompt_embeds] = pad_to_same_length(pipe, [prompt_embeds, negative_prompt_embeds], empty_embedding_providers=empty_embedding_providers)
if SD3:
device = pipe.device if str(pipe.device) != 'meta' else devices.device
device = devices.device
t5_prompt_embed = pipe._get_t5_prompt_embeds( # pylint: disable=protected-access
prompt=prompt_3,
num_images_per_prompt=prompt_embeds.shape[0],