Update print statement from 'Hello' to 'Goodbye'

This commit is contained in:
FearL0rd
2026-02-21 18:49:38 -06:00
committed by GitHub
parent b0938a4543
commit 85b20bcd0c
+197 -121
View File
@@ -36,7 +36,7 @@ class ParallelBlock(nn.Module):
self.is_last_block = is_last_block
self.lead_device = lead_device
self.owner_block = self.peers.get(str(owner_device), local_block)
def _move_tensor(self, x, device):
"""Recursively move tensors, lists, tuples, dicts, and dataclasses to target device."""
if isinstance(x, torch.Tensor):
@@ -55,23 +55,23 @@ class ParallelBlock(nn.Module):
setattr(new_obj, field.name, self._move_tensor(val, device))
return new_obj
return x
def _move_args(self, args, device):
return tuple(self._move_tensor(a, device) for a in args)
def _move_kwargs(self, kwargs, device):
return {k: self._move_tensor(v, device) for k, v in kwargs.items()}
def forward(self, *args, **kwargs):
if not get_pipeline_mode():
# Standard execution for Data Parallel (Batch > 1)
return self.local_block(*args, **kwargs)
target_device = self.owner_device
# --- CRITICAL FIX ---
# Do NOT check args[0].device to skip moving.
# Main input might be on target_device (from prev block),
# Do NOT check args[0].device to skip moving.
# Main input might be on target_device (from prev block),
# but auxiliary inputs (timesteps, context) might still be on Lead Device.
# We must ensure ALL inputs are on target_device.
@@ -80,11 +80,11 @@ class ParallelBlock(nn.Module):
# Execute on target replica
out = self.owner_block(*args_moved, **kwargs_moved)
if self.is_last_block:
# Return data to Lead Device for final layers/output processing
out = self._move_tensor(out, self.lead_device)
return out
# ----------------------------------------------------------------------------
@@ -151,13 +151,14 @@ def disable_flash_xformers(model):
for name, module in model.named_modules():
if any(x in name.lower() for x in ['attn', 'attention', 'transformer']):
for attr in ['use_xformers', 'use_flash_attention', 'use_flash_attention_2',
'_use_memory_efficient_attention', 'enable_flash', 'enable_xformers']:
for attr in ['use_xformers', 'use_flash_attention', 'use_flash_attention_2', '_use_memory_efficient_attention',
'enable_flash', 'enable_xformers']:
if hasattr(module, attr):
try:
setattr(module, attr, False)
except AttributeError:
pass
if hasattr(module, 'set_processor'):
try:
from diffusers.models.attention_processor import Attention
@@ -168,7 +169,7 @@ def disable_flash_xformers(model):
def clear_flux_caches(model):
cache_attrs = [
'img_ids', 'txt_ids', '_img_ids', '_txt_ids', 'cached_img_ids', 'cached_txt_ids',
'pos_emb', '_pos_emb', 'pos_embed', '_pos_embed', 'cached_pos_emb',
'pos_emb', '_pos_emb', 'pos_embed', '_pos_embed', 'cached_pos_emb',
'rope', '_rope', 'freqs_cis', '_freqs_cis', 'freqs', '_freqs',
'cache', '_cache', 'kv_cache', '_kv_cache', 'attn_bias', '_attn_bias',
'rope_cache', '_rope_cache', 'freqs_cis_cache', '_freqs_cis_cache',
@@ -176,7 +177,6 @@ def clear_flux_caches(model):
]
cleared_count = 0
def clear_attrs(obj, name_prefix=""):
nonlocal cleared_count
for attr in cache_attrs:
@@ -223,6 +223,7 @@ def cleanup_parallel_model(model_ref):
should_purge_cache = getattr(model, '_parallel_purge_cache', True)
should_purge_models = getattr(model, '_parallel_purge_models', False)
# Restore original forward
if hasattr(model, '_original_forward'):
try:
model.forward = model._original_forward
@@ -230,6 +231,7 @@ def cleanup_parallel_model(model_ref):
except Exception:
pass
# Cleanup replicas
if hasattr(model, '_parallel_replicas'):
replicas = model._parallel_replicas
for dev_name, replica in list(replicas.items()):
@@ -243,15 +245,14 @@ def cleanup_parallel_model(model_ref):
replica._gradient_checkpointing_func = None
except Exception as e:
print(f"[ParallelAnything] Warning: Error cleaning up replica on {dev_name}: {e}")
try:
delattr(model, '_parallel_replicas')
except Exception:
pass
# Clear other attributes
for attr in ['_true_parallel_active', '_parallel_devices', '_parallel_streams',
'_parallel_weights', '_auto_vram_balance', '_parallel_purge_cache',
'_parallel_purge_models']:
'_parallel_weights', '_auto_vram_balance', '_parallel_purge_cache', '_parallel_purge_models']:
if hasattr(model, attr):
try:
delattr(model, attr)
@@ -274,27 +275,25 @@ def cleanup_parallel_model(model_ref):
comfy.model_management.soft_empty_cache()
except:
pass
if torch.cuda.is_available():
for i in range(torch.cuda.device_count()):
try:
with torch.cuda.device(f'cuda:{i}'):
torch.cuda.empty_cache()
except:
pass
if torch.cuda.is_available():
for i in range(torch.cuda.device_count()):
try:
with torch.cuda.device(f'cuda:{i}'):
torch.cuda.empty_cache()
except:
pass
def extract_model_config(model):
config = {}
possible_attrs = [
'in_channels', 'out_channels', 'vec_in_dim', 'context_in_dim', 'hidden_size',
'mlp_ratio', 'num_heads', 'depth', 'depth_single_blocks', 'depth_single',
'axes_dim', 'theta', 'patch_size', 'qkv_bias', 'guidance_embed',
'txt_ids_dim', 'img_ids_dim', 'num_res_blocks', 'attention_resolutions',
'dropout', 'channel_mult', 'num_classes', 'use_checkpoint',
'num_heads_upsample', 'use_scale_shift_norm', 'resblock_updown',
'use_new_attention_order', 'adm_in_channels', 'num_noises', 'context_dim',
'n_heads', 'd_head', 'transformer_depth', 'model_channels', 'max_depth',
'num_frames', 'temporal_compression', 'temporal_dim', 'video_length',
'mlp_ratio', 'num_heads', 'depth', 'depth_single_blocks', 'depth_single', 'axes_dim',
'theta', 'patch_size', 'qkv_bias', 'guidance_embed', 'txt_ids_dim', 'img_ids_dim',
'num_res_blocks', 'attention_resolutions', 'dropout', 'channel_mult', 'num_classes',
'use_checkpoint', 'num_heads_upsample', 'use_scale_shift_norm', 'resblock_updown',
'use_new_attention_order', 'adm_in_channels', 'num_noises', 'context_dim', 'n_heads',
'd_head', 'transformer_depth', 'model_channels', 'max_depth', 'num_frames',
'temporal_compression', 'temporal_dim', 'video_length',
]
for attr in possible_attrs:
@@ -322,8 +321,7 @@ def extract_model_config(model):
else:
params_dict = vars(params)
if params_dict:
config.update({k: v for k, v in params_dict.items()
if not isinstance(v, (torch.Tensor, nn.Module))})
config.update({k: v for k, v in params_dict.items() if not isinstance(v, (torch.Tensor, nn.Module))})
except Exception:
pass
@@ -331,19 +329,16 @@ def extract_model_config(model):
try:
cfg = model.config
if isinstance(cfg, dict):
config.update({k: v for k, v in cfg.items()
if not isinstance(v, (torch.Tensor, nn.Module))})
config.update({k: v for k, v in cfg.items() if not isinstance(v, (torch.Tensor, nn.Module))})
else:
cfg_dict = {k: v for k, v in vars(cfg).items()
if not k.startswith('_') and not callable(v)
and not isinstance(v, (torch.Tensor, nn.Module))}
cfg_dict = {k: v for k, v in vars(cfg).items() if not k.startswith('_') and not callable(v)
and not isinstance(v, (torch.Tensor, nn.Module))}
config.update(cfg_dict)
except Exception:
pass
if hasattr(model, 'unet_config') and isinstance(model.unet_config, dict):
config.update({k: v for k, v in model.unet_config.items()
if not isinstance(v, (torch.Tensor, nn.Module))})
config.update({k: v for k, v in model.unet_config.items() if not isinstance(v, (torch.Tensor, nn.Module))})
clean_config = {}
for k, v in config.items():
@@ -385,6 +380,7 @@ def clone_dataclass_or_object(obj, target_device=None):
return obj.__class__(**field_values)
except Exception:
pass
try:
return copy.deepcopy(obj)
except Exception:
@@ -404,28 +400,43 @@ def clone_module_simple(module, target_device):
weight = safe_getattr(module, 'weight', None)
weight_dtype = weight.dtype if weight is not None else torch.float32
has_bias = safe_getattr(module, 'bias', None) is not None
supports_fp8 = device_supports_float8(target_device)
if not supports_fp8 and is_float8_dtype(weight_dtype):
weight_dtype = torch.float16
if isinstance(module, nn.Linear):
new_mod = nn.Linear(safe_getattr(module, 'in_features'), safe_getattr(module, 'out_features'),
bias=has_bias, device=target_device, dtype=weight_dtype)
new_mod = nn.Linear(
safe_getattr(module, 'in_features'),
safe_getattr(module, 'out_features'),
bias=has_bias, device=target_device, dtype=weight_dtype
)
elif isinstance(module, nn.Conv2d):
new_mod = nn.Conv2d(safe_getattr(module, 'in_channels'), safe_getattr(module, 'out_channels'),
safe_getattr(module, 'kernel_size', 1), stride=safe_getattr(module, 'stride', 1),
padding=safe_getattr(module, 'padding', 0), dilation=safe_getattr(module, 'dilation', 1),
groups=safe_getattr(module, 'groups', 1), bias=has_bias,
padding_mode=safe_getattr(module, 'padding_mode', 'zeros'),
device=target_device, dtype=weight_dtype)
new_mod = nn.Conv2d(
safe_getattr(module, 'in_channels'),
safe_getattr(module, 'out_channels'),
safe_getattr(module, 'kernel_size', 1),
stride=safe_getattr(module, 'stride', 1),
padding=safe_getattr(module, 'padding', 0),
dilation=safe_getattr(module, 'dilation', 1),
groups=safe_getattr(module, 'groups', 1),
bias=has_bias,
padding_mode=safe_getattr(module, 'padding_mode', 'zeros'),
device=target_device, dtype=weight_dtype
)
elif isinstance(module, nn.Conv1d):
new_mod = nn.Conv1d(safe_getattr(module, 'in_channels'), safe_getattr(module, 'out_channels'),
safe_getattr(module, 'kernel_size', 1), stride=safe_getattr(module, 'stride', 1),
padding=safe_getattr(module, 'padding', 0), dilation=safe_getattr(module, 'dilation', 1),
groups=safe_getattr(module, 'groups', 1), bias=has_bias,
padding_mode=safe_getattr(module, 'padding_mode', 'zeros'),
device=target_device, dtype=weight_dtype)
new_mod = nn.Conv1d(
safe_getattr(module, 'in_channels'),
safe_getattr(module, 'out_channels'),
safe_getattr(module, 'kernel_size', 1),
stride=safe_getattr(module, 'stride', 1),
padding=safe_getattr(module, 'padding', 0),
dilation=safe_getattr(module, 'dilation', 1),
groups=safe_getattr(module, 'groups', 1),
bias=has_bias,
padding_mode=safe_getattr(module, 'padding_mode', 'zeros'),
device=target_device, dtype=weight_dtype
)
with torch.no_grad():
if weight is not None:
@@ -434,6 +445,7 @@ def clone_module_simple(module, target_device):
new_mod.weight.copy_(weight)
if has_bias and safe_getattr(module, 'bias') is not None:
new_mod.bias.copy_(module.bias)
return new_mod
except Exception as e:
print(f"[ParallelAnything] Warning: Failed to reconstruct {module_class}: {e}")
@@ -442,27 +454,35 @@ def clone_module_simple(module, target_device):
try:
weight = safe_getattr(module, 'weight', None)
weight_dtype = weight.dtype if weight is not None else torch.float32
supports_fp8 = device_supports_float8(target_device)
if not supports_fp8 and is_float8_dtype(weight_dtype):
weight_dtype = torch.float16
if isinstance(module, nn.LayerNorm):
new_mod = nn.LayerNorm(safe_getattr(module, 'normalized_shape'),
eps=safe_getattr(module, 'eps', 1e-5),
elementwise_affine=safe_getattr(module, 'elementwise_affine', True),
device=target_device, dtype=weight_dtype)
new_mod = nn.LayerNorm(
safe_getattr(module, 'normalized_shape'),
eps=safe_getattr(module, 'eps', 1e-5),
elementwise_affine=safe_getattr(module, 'elementwise_affine', True),
device=target_device, dtype=weight_dtype
)
elif isinstance(module, nn.BatchNorm2d):
new_mod = nn.BatchNorm2d(safe_getattr(module, 'num_features'),
eps=safe_getattr(module, 'eps', 1e-5),
momentum=safe_getattr(module, 'momentum', 0.1),
affine=safe_getattr(module, 'affine', True),
track_running_stats=safe_getattr(module, 'track_running_stats', True),
device=target_device, dtype=weight_dtype)
new_mod = nn.BatchNorm2d(
safe_getattr(module, 'num_features'),
eps=safe_getattr(module, 'eps', 1e-5),
momentum=safe_getattr(module, 'momentum', 0.1),
affine=safe_getattr(module, 'affine', True),
track_running_stats=safe_getattr(module, 'track_running_stats', True),
device=target_device, dtype=weight_dtype
)
elif isinstance(module, nn.GroupNorm):
new_mod = nn.GroupNorm(safe_getattr(module, 'num_groups'), safe_getattr(module, 'num_channels'),
eps=safe_getattr(module, 'eps', 1e-5), affine=safe_getattr(module, 'affine', True),
device=target_device, dtype=weight_dtype)
new_mod = nn.GroupNorm(
safe_getattr(module, 'num_groups'),
safe_getattr(module, 'num_channels'),
eps=safe_getattr(module, 'eps', 1e-5),
affine=safe_getattr(module, 'affine', True),
device=target_device, dtype=weight_dtype
)
with torch.no_grad():
if weight is not None:
@@ -476,6 +496,7 @@ def clone_module_simple(module, target_device):
new_mod.running_mean.copy_(module.running_mean)
if safe_getattr(module, 'running_var') is not None:
new_mod.running_var.copy_(module.running_var)
return new_mod
except Exception as e:
print(f"[ParallelAnything] Warning: Failed to reconstruct norm layer {module_class}: {e}")
@@ -483,8 +504,10 @@ def clone_module_simple(module, target_device):
try:
new_mod = module_class.__new__(module_class)
nn.Module.__init__(new_mod)
supports_fp8 = device_supports_float8(target_device)
# Copy parameters
for name, param in module.named_parameters(recurse=False):
if param is not None:
new_param_data = param.clone().detach()
@@ -495,6 +518,7 @@ def clone_module_simple(module, target_device):
else:
new_mod.register_parameter(name, None)
# Copy buffers
for name, buffer in module.named_buffers(recurse=False):
if buffer is not None:
new_buffer_data = buffer.clone().detach()
@@ -505,22 +529,23 @@ def clone_module_simple(module, target_device):
else:
new_mod.register_buffer(name, None)
# Recursively clone children
for name, child in module.named_children():
if child is not None:
cloned_child = clone_module_simple(child, target_device)
new_mod.add_module(name, cloned_child)
# Copy other attributes
excluded_attrs = {
'_parameters', '_buffers', '_modules', '_non_persistent_buffers_set',
'_backward_pre_hooks', '_backward_hooks', '_forward_pre_hooks',
'_forward_hooks', '_state_dict_hooks', '_load_state_dict_pre_hooks',
'_extra_state', '_modules_to_load'
'_backward_pre_hooks', '_backward_hooks', '_forward_pre_hooks', '_forward_hooks',
'_state_dict_hooks', '_load_state_dict_pre_hooks', '_extra_state', '_modules_to_load'
}
cache_attrs = {
'img_ids', 'txt_ids', '_img_ids', '_txt_ids', 'cached_img_ids',
'cached_txt_ids', 'pos_emb', '_pos_emb', 'pos_embed', '_pos_embed',
'freqs_cis', '_freqs_cis', 'freqs', '_freqs', 'cache', '_cache',
'kv_cache', '_kv_cache', 'attn_bias', '_attn_bias'
'img_ids', 'txt_ids', '_img_ids', '_txt_ids', 'cached_img_ids', 'cached_txt_ids',
'pos_emb', '_pos_emb', 'pos_embed', '_pos_embed', 'freqs_cis', '_freqs_cis',
'freqs', '_freqs', 'cache', '_cache', 'kv_cache', '_kv_cache', 'attn_bias', '_attn_bias'
}
for key, value in module.__dict__.items():
@@ -570,12 +595,13 @@ def safe_model_clone(source_model, target_device, disable_flash=False):
clear_flux_caches(source_model)
return source_model
if src_device.type != 'cpu':
# Move to CPU first if on GPU
if src_device.type == 'cuda':
model_cpu = source_model.cpu()
if torch.cuda.is_available():
torch.cuda.synchronize()
torch.cuda.empty_cache()
comfy.model_management.soft_empty_cache()
comfy.model_management.soft_empty_cache()
else:
model_cpu = source_model
@@ -613,6 +639,7 @@ def safe_model_clone(source_model, target_device, disable_flash=False):
for key in list(state_dict.keys()):
try:
param = state_dict[key]
if '.' in key:
parts = key.split('.')
module = replica
@@ -627,17 +654,18 @@ def safe_model_clone(source_model, target_device, disable_flash=False):
if is_float8_dtype(param_data.dtype) and not supports_fp8:
param_data = param_data.half()
target_param.data.copy_(param_data)
del state_dict[key]
del param
if len(state_dict) % 50 == 0 and torch.cuda.is_available():
torch.cuda.empty_cache()
del state_dict[key]
del param
if len(state_dict) % 50 == 0 and torch.cuda.is_available():
torch.cuda.empty_cache()
except Exception as e:
print(f"[ParallelAnything] Warning: Could not load {key}: {e}")
del state_dict
if src_device.type != 'cpu':
if src_device.type != 'cuda':
del model_cpu
gc.collect()
if torch.cuda.is_available():
@@ -648,11 +676,9 @@ def safe_model_clone(source_model, target_device, disable_flash=False):
except Exception as recon_error:
print(f"[ParallelAnything] Config reconstruction failed: {recon_error}")
print(f"[ParallelAnything] Attempting manual recursive cloning...")
replica = clone_module_simple(model_cpu, target_device)
method_used = "manual_recursive_clone"
if src_device.type != 'cpu':
if src_device.type != 'cuda':
del model_cpu
gc.collect()
@@ -678,7 +704,6 @@ def safe_model_clone(source_model, target_device, disable_flash=False):
replica.gradient_checkpointing = False
if hasattr(replica, '_gradient_checkpointing_func'):
replica._gradient_checkpointing_func = None
if hasattr(replica, 'hooks'):
replica.hooks = []
if hasattr(replica, '_hf_hook'):
@@ -687,7 +712,6 @@ def safe_model_clone(source_model, target_device, disable_flash=False):
replica.eval()
for param in replica.parameters():
param.requires_grad = False
for buffer in replica.buffers():
if buffer.device != target_device:
buffer.data = buffer.data.to(target_device)
@@ -703,8 +727,10 @@ def get_free_vram(device_name):
if device_name.startswith("cuda"):
idx = int(device_name.split(":")[-1])
torch.cuda.set_device(idx)
free_memory = (torch.cuda.get_device_properties(idx).total_memory -
torch.cuda.memory_allocated(idx))
free_memory = (
torch.cuda.get_device_properties(idx).total_memory
- torch.cuda.memory_allocated(idx)
)
return free_memory / (1024 ** 2)
except Exception:
pass
@@ -773,10 +799,7 @@ class ParallelDevice:
"tooltip": "Select available compute device (CPU/CUDA/MPS/XPU)"
}),
"percentage": ("FLOAT", {
"default": 50.0,
"min": 1.0,
"max": 100.0,
"step": 1.0,
"default": 50.0, "min": 1.0, "max": 100.0, "step": 1.0,
"tooltip": "Percentage of batch (or layers for batch=1) to process on this device"
}),
},
@@ -802,10 +825,8 @@ class ParallelDevice:
"percentage": float(percentage),
"weight": float(percentage) / 100.0
}
new_chain = previous_devices.copy()
new_chain.append(config)
return (new_chain,)
class ParallelDeviceList:
@@ -846,11 +867,9 @@ class ParallelDeviceList:
FUNCTION = "create_list"
CATEGORY = "utils/hardware"
def create_list(self, device_1, pct_1, device_2, pct_2,
device_3="cpu", pct_3=0, device_4="cpu", pct_4=0):
def create_list(self, device_1, pct_1, device_2, pct_2, device_3="cpu", pct_3=0, device_4="cpu", pct_4=0):
chain = []
devices = [(device_1, pct_1), (device_2, pct_2),
(device_3, pct_3), (device_4, pct_4)]
devices = [(device_1, pct_1), (device_2, pct_2), (device_3, pct_3), (device_4, pct_4)]
for dev_str, pct in devices:
if pct > 0:
@@ -895,20 +914,57 @@ class ParallelAnything:
FUNCTION = "setup_parallel"
CATEGORY = "utils/hardware"
def setup_parallel(self, model, device_chain, workload_split=True,
auto_vram_balance=False, purge_cache=True, purge_models=False):
def setup_parallel(self, model, device_chain, workload_split=True, auto_vram_balance=False, purge_cache=True, purge_models=False):
if model is None or not device_chain:
return (model,)
target_model = model.model.diffusion_model
# Extract the diffusion model from ComfyUI model wrapper
if hasattr(model, 'model') and hasattr(model.model, 'diffusion_model'):
target_model = model.model.diffusion_model
model_wrapper = model
elif hasattr(model, 'diffusion_model'):
target_model = model.diffusion_model
model_wrapper = None
else:
target_model = model
model_wrapper = None
# Check if ComfyUI model has patches (LoRAs) that need to be applied
# ComfyUI stores patches in model.patches (list of tuples) or model.model_patcher.patches
has_lora_patches = False
if model_wrapper is not None:
# Check various locations where ComfyUI might store patches
if hasattr(model_wrapper, 'patches') and len(model_wrapper.patches) > 0:
has_lora_patches = True
print(f"[ParallelAnything] Found {len(model_wrapper.patches)} patches in model.patches")
elif hasattr(model_wrapper, 'model_patcher') and hasattr(model_wrapper.model_patcher, 'patches'):
if len(model_wrapper.model_patcher.patches) > 0:
has_lora_patches = True
print(f"[ParallelAnything] Found {len(model_wrapper.model_patcher.patches)} patches in model_patcher.patches")
# Apply patches if found - this modifies the diffusion_model weights in-place
if has_lora_patches:
try:
print("[ParallelAnything] Applying LoRA/Custom patches before cloning...")
# Apply patches to the model weights
if hasattr(model_wrapper, 'patch_model'):
model_wrapper.patch_model(device_to=comfy.model_management.get_torch_device())
print("[ParallelAnything] Patches applied successfully")
elif hasattr(model_wrapper, 'model_patcher') and hasattr(model_wrapper.model_patcher, 'patch_model'):
model_wrapper.model_patcher.patch_model(device_to=comfy.model_management.get_torch_device())
print("[ParallelAnything] Patches applied via model_patcher")
except Exception as e:
print(f"[ParallelAnything] Warning: Could not apply patches: {e}")
has_lora_patches = False
# Cleanup previous parallel setup if exists
if hasattr(target_model, "_true_parallel_active"):
print("[ParallelAnything] Cleaning up previous parallel setup...")
cleanup_parallel_model(target_model)
gc.collect()
if torch.cuda.is_available():
torch.cuda.empty_cache()
comfy.model_management.soft_empty_cache()
comfy.model_management.soft_empty_cache()
print("[ParallelAnything] Freeing ComfyUI model cache for cloning...")
comfy.model_management.unload_all_models()
@@ -965,7 +1021,12 @@ class ParallelAnything:
dev = torch.device(dev_name)
need_safe = dev_name in devices_needing_safe_attention
if dev_name == original_device_str and not needs_cpu_transition:
# Determine if this is the original device
is_original_device = (dev_name == original_device_str and not needs_cpu_transition)
# CRITICAL FIX: If we have LoRA patches, we MUST clone even the original device
# because ComfyUI will manage the original model's weights separately
if is_original_device and not has_lora_patches:
print(f"[ParallelAnything] Using original model for {dev_name} (skipping clone)")
replicas[dev_name] = target_model
if dev.type == 'cuda':
@@ -975,7 +1036,10 @@ class ParallelAnything:
continue
try:
print(f"[ParallelAnything] Cloning to {dev_name} ({i+1}/{len(device_names)})...")
if is_original_device and has_lora_patches:
print(f"[ParallelAnything] Cloning to {dev_name} (preserving LoRA weights)...")
else:
print(f"[ParallelAnything] Cloning to {dev_name} ({i+1}/{len(device_names)})...")
if dev.type == 'cuda':
idx = dev.index if dev.index is not None else int(dev_name.split(":")[-1])
@@ -985,15 +1049,20 @@ class ParallelAnything:
replica = safe_model_clone(target_model, dev, disable_flash=need_safe)
clear_flux_caches(replica)
replicas[dev_name] = replica
if dev.type == 'cuda':
streams[dev_name] = torch.cuda.Stream(dev)
print(f"[ParallelAnything] ✓ {dev_name}" + (" (Safe mode)" if need_safe else ""))
status_msg = f"[ParallelAnything] ✓ {dev_name}"
if need_safe:
status_msg += " (Safe mode)"
if has_lora_patches:
status_msg += " (LoRA active)"
print(status_msg)
successful_devices.append(dev_name)
successful_weights.append(weights[i])
aggressive_cleanup()
except RuntimeError as e:
@@ -1012,6 +1081,7 @@ class ParallelAnything:
total_weight = sum(successful_weights)
weights = [w/total_weight for w in successful_weights]
# Restore original to its device if we moved it to CPU and it's not in our replicas
if needs_cpu_transition and original_device_str not in replicas:
try:
print(f"[ParallelAnything] Restoring original model to {original_device}")
@@ -1032,9 +1102,8 @@ class ParallelAnything:
pass
aggressive_cleanup()
return (model,)
print("[ParallelAnything] Configuring Model/Pipeline Parallelism for Batch=1...")
print("[ParallelAnything] Configuring Model/Pipeline Parallelism for Batch=1...")
lead_device_name = device_names[0]
lead_replica = replicas[lead_device_name]
@@ -1045,11 +1114,10 @@ class ParallelAnything:
local_blocks = getattr(lead_replica, list_name)
if not isinstance(local_blocks, nn.ModuleList):
continue
num_blocks = len(local_blocks)
if num_blocks == 0:
continue
print(f"[ParallelAnything] Configuring {list_name} ({num_blocks} blocks) for pipeline execution...")
device_assignments = []
@@ -1058,7 +1126,6 @@ class ParallelAnything:
count = int(round(weight * num_blocks))
if i == len(weights) - 1:
count = num_blocks - current_block
target_dev = torch.device(device_names[i])
for _ in range(count):
if current_block < num_blocks:
@@ -1067,7 +1134,6 @@ class ParallelAnything:
for idx in range(num_blocks):
assigned_dev = device_assignments[idx]
peers = {}
for d_name, r in replicas.items():
if hasattr(r, list_name):
@@ -1084,9 +1150,8 @@ class ParallelAnything:
is_last_block=is_last,
lead_device=torch.device(lead_device_name)
)
local_blocks[idx] = wrapper
target_model._parallel_purge_cache = purge_cache
target_model._parallel_purge_models = purge_models
@@ -1182,6 +1247,7 @@ class ParallelAnything:
print(f"[ParallelAnything] Error: {e}")
raise
# Pipeline mode for batch_size == 1
if batch_size == 1 and workload_split:
set_pipeline_mode(True)
try:
@@ -1193,6 +1259,7 @@ class ParallelAnything:
finally:
set_pipeline_mode(False)
# Single device fallback if batch too small or workload_split disabled
if batch_size < len(devices_ref) or not workload_split:
set_pipeline_mode(False)
with torch.no_grad():
@@ -1202,6 +1269,7 @@ class ParallelAnything:
else:
return first_replica(x, timesteps, context=context, **kwargs)
# Data parallelism for batch_size > 1
if auto_balance_ref:
split_sizes = auto_split_batch(batch_size, list(devices_ref), list(weights_ref))
else:
@@ -1234,6 +1302,7 @@ class ParallelAnything:
x_chunks = split_batch(x, [a['size'] for a in active])
t_chunks = split_batch(timesteps, [a['size'] for a in active])
if context is not None:
c_chunks = split_batch(context, [a['size'] for a in active])
else:
@@ -1293,6 +1362,7 @@ class ParallelAnything:
out = move_to_device(out, lead_device, non_blocking=False)
return task_idx, out
except Exception as e:
return task_idx, e
@@ -1334,7 +1404,6 @@ class ParallelAnything:
target_model._original_forward = target_model.forward
target_model.forward = types.MethodType(parallel_forward, target_model)
target_model._true_parallel_active = True
target_model._parallel_replicas = replicas
target_model._parallel_devices = device_names
@@ -1344,9 +1413,16 @@ class ParallelAnything:
weakref.finalize(model, cleanup_parallel_model, weakref.ref(target_model))
model.load_device = lead_device
# Update ComfyUI's model device tracking to point to lead device
if hasattr(model, 'load_device'):
model.load_device = lead_device
elif hasattr(model, 'model') and hasattr(model.model, 'load_device'):
model.model.load_device = lead_device
print(f"[ParallelAnything] Parallel setup complete. Devices: {device_names}")
if has_lora_patches:
print("[ParallelAnything] LoRA weights synchronized across all devices")
return (model,)
NODE_CLASS_MAPPINGS = {