xinyun/ComfyUI-CogVideoXWrapper
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Allow sequential_cpu_offload for GGUF too

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kijai 2024-09-22 17:03:28 +03:00
parent 2a71aba1aa
commit d3d7f043cd
2 changed files with 43 additions and 26 deletions
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2
configs/transformer_config_2b.json
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@ -1,6 +1,4 @@
{
"_class_name": "CogVideoXTransformer3DModel",
"_diffusers_version": "0.30.0.dev0",
"activation_fn": "gelu-approximate",
"attention_bias": true,
"attention_head_dim": 64,

55
nodes.py
View File

@ -175,11 +175,13 @@ class DownloadAndLoadCogVideoGGUFModel:
"CogVideoX_5b_GGUF_Q4_0.safetensors",
"CogVideoX_5b_I2V_GGUF_Q4_0.safetensors",
"CogVideoX_5b_fun_GGUF_Q4_0.safetensors",
#"CogVideoX_2b_fun_GGUF_Q4_0.safetensors"
],
),
"vae_precision": (["fp16", "fp32", "bf16"], {"default": "bf16", "tooltip": "VAE dtype"}),
"fp8_fastmode": ("BOOLEAN", {"default": False, "tooltip": "only supported on 4090 and later GPUs"}),
"load_device": (["main_device", "offload_device"], {"default": "main_device"}),
"enable_sequential_cpu_offload": ("BOOLEAN", {"default": False, "tooltip": "significantly reducing memory usage and slows down the inference"}),
},
}
@ -188,7 +190,7 @@ class DownloadAndLoadCogVideoGGUFModel:
FUNCTION = "loadmodel"
CATEGORY = "CogVideoWrapper"
def loadmodel(self, model, vae_precision, fp8_fastmode, load_device):
def loadmodel(self, model, vae_precision, fp8_fastmode, load_device, enable_sequential_cpu_offload):
device = mm.get_torch_device()
offload_device = mm.unet_offload_device()
mm.soft_empty_cache()
@ -213,9 +215,16 @@ class DownloadAndLoadCogVideoGGUFModel:
local_dir_use_symlinks=False,
)
if "5b" in model:
scheduler_path = os.path.join(script_directory, 'configs', 'scheduler_config_5b.json')
transformer_path = os.path.join(script_directory, 'configs', 'transformer_config_5b.json')
elif "2b" in model:
scheduler_path = os.path.join(script_directory, 'configs', 'scheduler_config_2b.json')
transformer_path = os.path.join(script_directory, 'configs', 'transformer_config_2b.json')
with open(os.path.join(script_directory, 'configs', 'transformer_config_5b.json')) as f:
with open(transformer_path) as f:
transformer_config = json.load(f)
sd = load_torch_file(gguf_path)
#for key, value in sd.items():
# print(key, value.shape, value.dtype)
@ -235,6 +244,13 @@ class DownloadAndLoadCogVideoGGUFModel:
transformer_config["in_channels"] = 16
transformer = CogVideoXTransformer3DModel.from_config(transformer_config)
if "2b" in model:
for name, param in transformer.named_parameters():
if name != "pos_embedding":
param.data = param.data.to(torch.float8_e4m3fn)
else:
param.data = param.data.to(torch.float16)
else:
transformer.to(torch.float8_e4m3fn)
transformer = mz_gguf_loader.quantize_load_state_dict(transformer, sd, device="cpu")
if load_device == "offload_device":
@ -246,7 +262,7 @@ class DownloadAndLoadCogVideoGGUFModel:
from .fp8_optimization import convert_fp8_linear
convert_fp8_linear(transformer, vae_dtype)
scheduler_path = os.path.join(script_directory, 'configs', 'scheduler_config_5b.json')
with open(scheduler_path) as f:
scheduler_config = json.load(f)
@ -279,28 +295,31 @@ class DownloadAndLoadCogVideoGGUFModel:
pipe = CogVideoXPipeline(vae, transformer, scheduler)
# compilation
if compile == "torch":
torch._dynamo.config.suppress_errors = True
pipe.transformer.to(memory_format=torch.channels_last)
pipe.transformer = torch.compile(pipe.transformer, mode="max-autotune", fullgraph=True)
elif compile == "onediff":
from onediffx import compile_pipe
os.environ['NEXFORT_FX_FORCE_TRITON_SDPA'] = '1'
# if compile == "torch":
# torch._dynamo.config.suppress_errors = True
# pipe.transformer.to(memory_format=torch.channels_last)
# pipe.transformer = torch.compile(pipe.transformer, mode="max-autotune", fullgraph=True)
# elif compile == "onediff":
# from onediffx import compile_pipe
# os.environ['NEXFORT_FX_FORCE_TRITON_SDPA'] = '1'
pipe = compile_pipe(
pipe,
backend="nexfort",
options= {"mode": "max-optimize:max-autotune:max-autotune", "memory_format": "channels_last", "options": {"inductor.optimize_linear_epilogue": False, "triton.fuse_attention_allow_fp16_reduction": False}},
ignores=["vae"],
fuse_qkv_projections=True,
)
# pipe = compile_pipe(
# pipe,
# backend="nexfort",
# options= {"mode": "max-optimize:max-autotune:max-autotune", "memory_format": "channels_last", "options": {"inductor.optimize_linear_epilogue": False, "triton.fuse_attention_allow_fp16_reduction": False}},
# ignores=["vae"],
# fuse_qkv_projections=True,
# )
if enable_sequential_cpu_offload:
pipe.enable_sequential_cpu_offload()
pipeline = {
"pipe": pipe,
"dtype": vae_dtype,
"base_path": "Fun" if "fun" in model else "sad",
"onediff": True if compile == "onediff" else False,
"cpu_offloading": False,
"cpu_offloading": enable_sequential_cpu_offload,
"scheduler_config": scheduler_config
}