diff --git a/comfy/clip_model.py b/comfy/clip_model.py index e88872728..d7d3f994c 100644 --- a/comfy/clip_model.py +++ b/comfy/clip_model.py @@ -1,6 +1,7 @@ import torch from comfy.ldm.modules.attention import optimized_attention_for_device import comfy.ops +import math def clip_preprocess(image, size=224, mean=[0.48145466, 0.4578275, 0.40821073], std=[0.26862954, 0.26130258, 0.27577711], crop=True): image = image[:, :, :, :3] if image.shape[3] > 3 else image @@ -21,6 +22,39 @@ def clip_preprocess(image, size=224, mean=[0.48145466, 0.4578275, 0.40821073], s image = torch.clip((255. * image), 0, 255).round() / 255.0 return (image - mean.view([3,1,1])) / std.view([3,1,1]) +def siglip2_flex_calc_resolution(oh, ow, patch_size, max_num_patches, eps=1e-5): + def scale_dim(size, scale): + scaled = math.ceil(size * scale / patch_size) * patch_size + return max(patch_size, int(scaled)) + + # Binary search for optimal scale + lo, hi = eps / 10, 100.0 + while hi - lo >= eps: + mid = (lo + hi) / 2 + h, w = scale_dim(oh, mid), scale_dim(ow, mid) + if (h // patch_size) * (w // patch_size) <= max_num_patches: + lo = mid + else: + hi = mid + + return scale_dim(oh, lo), scale_dim(ow, lo) + +def siglip2_preprocess(image, size, patch_size, num_patches, mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], crop=True): + if size > 0: + return clip_preprocess(image, size=size, mean=mean, std=std, crop=crop) + + image = image[:, :, :, :3] if image.shape[3] > 3 else image + mean = torch.tensor(mean, device=image.device, dtype=image.dtype) + std = torch.tensor(std, device=image.device, dtype=image.dtype) + image = image.movedim(-1, 1) + + b, c, h, w = image.shape + h, w = siglip2_flex_calc_resolution(h, w, patch_size, num_patches) + + image = torch.nn.functional.interpolate(image, size=(h, w), mode="bilinear", antialias=True) + image = torch.clip((255. * image), 0, 255).round() / 255.0 + return (image - mean.view([3, 1, 1])) / std.view([3, 1, 1]) + class CLIPAttention(torch.nn.Module): def __init__(self, embed_dim, heads, dtype, device, operations): super().__init__() @@ -175,6 +209,27 @@ class CLIPTextModel(torch.nn.Module): out = self.text_projection(x[2]) return (x[0], x[1], out, x[2]) +def siglip2_pos_embed(embed_weight, embeds, orig_shape): + embed_weight_len = round(embed_weight.shape[0] ** 0.5) + embed_weight = comfy.ops.cast_to_input(embed_weight, embeds).movedim(1, 0).reshape(1, -1, embed_weight_len, embed_weight_len) + embed_weight = torch.nn.functional.interpolate(embed_weight, size=orig_shape, mode="bilinear", align_corners=False, antialias=True) + embed_weight = embed_weight.reshape(-1, embed_weight.shape[-2] * embed_weight.shape[-1]).movedim(0, 1) + return embeds + embed_weight + +class Siglip2Embeddings(torch.nn.Module): + def __init__(self, embed_dim, num_channels=3, patch_size=14, image_size=224, model_type="", num_patches=None, dtype=None, device=None, operations=None): + super().__init__() + self.patch_embedding = operations.Linear(num_channels * patch_size * patch_size, embed_dim, dtype=dtype, device=device) + self.position_embedding = operations.Embedding(num_patches, embed_dim, dtype=dtype, device=device) + self.patch_size = patch_size + + def forward(self, pixel_values): + b, c, h, w = pixel_values.shape + img = pixel_values.movedim(1, -1).reshape(b, h // self.patch_size, self.patch_size, w // self.patch_size, self.patch_size, c) + img = img.permute(0, 1, 3, 2, 4, 5) + img = img.reshape(b, img.shape[1] * img.shape[2], -1) + img = self.patch_embedding(img) + return siglip2_pos_embed(self.position_embedding.weight, img, (h // self.patch_size, w // self.patch_size)) class CLIPVisionEmbeddings(torch.nn.Module): def __init__(self, embed_dim, num_channels=3, patch_size=14, image_size=224, model_type="", dtype=None, device=None, operations=None): @@ -218,8 +273,11 @@ class CLIPVision(torch.nn.Module): intermediate_activation = config_dict["hidden_act"] model_type = config_dict["model_type"] - self.embeddings = CLIPVisionEmbeddings(embed_dim, config_dict["num_channels"], config_dict["patch_size"], config_dict["image_size"], model_type=model_type, dtype=dtype, device=device, operations=operations) - if model_type == "siglip_vision_model": + if model_type in ["siglip2_vision_model"]: + self.embeddings = Siglip2Embeddings(embed_dim, config_dict["num_channels"], config_dict["patch_size"], config_dict["image_size"], model_type=model_type, num_patches=config_dict.get("num_patches", None), dtype=dtype, device=device, operations=operations) + else: + self.embeddings = CLIPVisionEmbeddings(embed_dim, config_dict["num_channels"], config_dict["patch_size"], config_dict["image_size"], model_type=model_type, dtype=dtype, device=device, operations=operations) + if model_type in ["siglip_vision_model", "siglip2_vision_model"]: self.pre_layrnorm = lambda a: a self.output_layernorm = True else: diff --git a/comfy/clip_vision.py b/comfy/clip_vision.py index d5fc53497..66f2a9d9c 100644 --- a/comfy/clip_vision.py +++ b/comfy/clip_vision.py @@ -21,6 +21,7 @@ clip_preprocess = comfy.clip_model.clip_preprocess # Prevent some stuff from br IMAGE_ENCODERS = { "clip_vision_model": comfy.clip_model.CLIPVisionModelProjection, "siglip_vision_model": comfy.clip_model.CLIPVisionModelProjection, + "siglip2_vision_model": comfy.clip_model.CLIPVisionModelProjection, "dinov2": comfy.image_encoders.dino2.Dinov2Model, } @@ -32,9 +33,10 @@ class ClipVisionModel(): self.image_size = config.get("image_size", 224) self.image_mean = config.get("image_mean", [0.48145466, 0.4578275, 0.40821073]) self.image_std = config.get("image_std", [0.26862954, 0.26130258, 0.27577711]) - model_type = config.get("model_type", "clip_vision_model") - model_class = IMAGE_ENCODERS.get(model_type) - if model_type == "siglip_vision_model": + self.model_type = config.get("model_type", "clip_vision_model") + self.config = config.copy() + model_class = IMAGE_ENCODERS.get(self.model_type) + if self.model_type == "siglip_vision_model": self.return_all_hidden_states = True else: self.return_all_hidden_states = False @@ -55,7 +57,10 @@ class ClipVisionModel(): def encode_image(self, image, crop=True): comfy.model_management.load_model_gpu(self.patcher) - pixel_values = comfy.clip_model.clip_preprocess(image.to(self.load_device), size=self.image_size, mean=self.image_mean, std=self.image_std, crop=crop).float() + if self.model_type == "siglip2_vision_model": + pixel_values = comfy.clip_model.siglip2_preprocess(image.to(self.load_device), size=self.image_size, patch_size=self.config.get("patch_size", 16), num_patches=self.config.get("num_patches", 256), mean=self.image_mean, std=self.image_std, crop=crop).float() + else: + pixel_values = comfy.clip_model.clip_preprocess(image.to(self.load_device), size=self.image_size, mean=self.image_mean, std=self.image_std, crop=crop).float() out = self.model(pixel_values=pixel_values, intermediate_output='all' if self.return_all_hidden_states else -2) outputs = Output() @@ -107,10 +112,14 @@ def load_clipvision_from_sd(sd, prefix="", convert_keys=False): elif "vision_model.encoder.layers.22.layer_norm1.weight" in sd: embed_shape = sd["vision_model.embeddings.position_embedding.weight"].shape[0] if sd["vision_model.encoder.layers.0.layer_norm1.weight"].shape[0] == 1152: - if embed_shape == 729: - json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_vision_siglip_384.json") - elif embed_shape == 1024: - json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_vision_siglip_512.json") + patch_embedding_shape = sd["vision_model.embeddings.patch_embedding.weight"].shape + if len(patch_embedding_shape) == 2: + json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_vision_siglip2_base_naflex.json") + else: + if embed_shape == 729: + json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_vision_siglip_384.json") + elif embed_shape == 1024: + json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_vision_siglip_512.json") elif embed_shape == 577: if "multi_modal_projector.linear_1.bias" in sd: json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "clip_vision_config_vitl_336_llava.json") diff --git a/comfy/clip_vision_siglip2_base_naflex.json b/comfy/clip_vision_siglip2_base_naflex.json new file mode 100644 index 000000000..6f6b99bd6 --- /dev/null +++ b/comfy/clip_vision_siglip2_base_naflex.json @@ -0,0 +1,14 @@ +{ + "num_channels": 3, + "hidden_act": "gelu_pytorch_tanh", + "hidden_size": 1152, + "image_size": -1, + "intermediate_size": 4304, + "model_type": "siglip2_vision_model", + "num_attention_heads": 16, + "num_hidden_layers": 27, + "patch_size": 16, + "num_patches": 256, + "image_mean": [0.5, 0.5, 0.5], + "image_std": [0.5, 0.5, 0.5] +} diff --git a/comfy/ldm/lightricks/av_model.py b/comfy/ldm/lightricks/av_model.py index 759535501..c12ace241 100644 --- a/comfy/ldm/lightricks/av_model.py +++ b/comfy/ldm/lightricks/av_model.py @@ -11,6 +11,69 @@ from comfy.ldm.lightricks.model import ( from comfy.ldm.lightricks.symmetric_patchifier import AudioPatchifier import comfy.ldm.common_dit +class CompressedTimestep: + """Store video timestep embeddings in compressed form using per-frame indexing.""" + __slots__ = ('data', 'batch_size', 'num_frames', 'patches_per_frame', 'feature_dim') + + def __init__(self, tensor: torch.Tensor, patches_per_frame: int): + """ + tensor: [batch_size, num_tokens, feature_dim] tensor where num_tokens = num_frames * patches_per_frame + patches_per_frame: Number of spatial patches per frame (height * width in latent space) + """ + self.batch_size, num_tokens, self.feature_dim = tensor.shape + + # Check if compression is valid (num_tokens must be divisible by patches_per_frame) + if num_tokens % patches_per_frame == 0 and num_tokens >= patches_per_frame: + self.patches_per_frame = patches_per_frame + self.num_frames = num_tokens // patches_per_frame + + # Reshape to [batch, frames, patches_per_frame, feature_dim] and store one value per frame + # All patches in a frame are identical, so we only keep the first one + reshaped = tensor.view(self.batch_size, self.num_frames, patches_per_frame, self.feature_dim) + self.data = reshaped[:, :, 0, :].contiguous() # [batch, frames, feature_dim] + else: + # Not divisible or too small - store directly without compression + self.patches_per_frame = 1 + self.num_frames = num_tokens + self.data = tensor + + def expand(self): + """Expand back to original tensor.""" + if self.patches_per_frame == 1: + return self.data + + # [batch, frames, feature_dim] -> [batch, frames, patches_per_frame, feature_dim] -> [batch, tokens, feature_dim] + expanded = self.data.unsqueeze(2).expand(self.batch_size, self.num_frames, self.patches_per_frame, self.feature_dim) + return expanded.reshape(self.batch_size, -1, self.feature_dim) + + def expand_for_computation(self, scale_shift_table: torch.Tensor, batch_size: int, indices: slice = slice(None, None)): + """Compute ada values on compressed per-frame data, then expand spatially.""" + num_ada_params = scale_shift_table.shape[0] + + # No compression - compute directly + if self.patches_per_frame == 1: + num_tokens = self.data.shape[1] + dim_per_param = self.feature_dim // num_ada_params + reshaped = self.data.reshape(batch_size, num_tokens, num_ada_params, dim_per_param)[:, :, indices, :] + table_values = scale_shift_table[indices].unsqueeze(0).unsqueeze(0).to(device=self.data.device, dtype=self.data.dtype) + ada_values = (table_values + reshaped).unbind(dim=2) + return ada_values + + # Compressed: compute on per-frame data then expand spatially + # Reshape: [batch, frames, feature_dim] -> [batch, frames, num_ada_params, dim_per_param] + frame_reshaped = self.data.reshape(batch_size, self.num_frames, num_ada_params, -1)[:, :, indices, :] + table_values = scale_shift_table[indices].unsqueeze(0).unsqueeze(0).to( + device=self.data.device, dtype=self.data.dtype + ) + frame_ada = (table_values + frame_reshaped).unbind(dim=2) + + # Expand each ada parameter spatially: [batch, frames, dim] -> [batch, frames, patches, dim] -> [batch, tokens, dim] + return tuple( + frame_val.unsqueeze(2).expand(batch_size, self.num_frames, self.patches_per_frame, -1) + .reshape(batch_size, -1, frame_val.shape[-1]) + for frame_val in frame_ada + ) + class BasicAVTransformerBlock(nn.Module): def __init__( self, @@ -119,6 +182,9 @@ class BasicAVTransformerBlock(nn.Module): def get_ada_values( self, scale_shift_table: torch.Tensor, batch_size: int, timestep: torch.Tensor, indices: slice = slice(None, None) ): + if isinstance(timestep, CompressedTimestep): + return timestep.expand_for_computation(scale_shift_table, batch_size, indices) + num_ada_params = scale_shift_table.shape[0] ada_values = ( @@ -146,10 +212,7 @@ class BasicAVTransformerBlock(nn.Module): gate_timestep, ) - scale_shift_chunks = [t.squeeze(2) for t in scale_shift_ada_values] - gate_ada_values = [t.squeeze(2) for t in gate_ada_values] - - return (*scale_shift_chunks, *gate_ada_values) + return (*scale_shift_ada_values, *gate_ada_values) def forward( self, @@ -543,72 +606,80 @@ class LTXAVModel(LTXVModel): if grid_mask is not None: timestep = timestep[:, grid_mask] - timestep = timestep * self.timestep_scale_multiplier + timestep_scaled = timestep * self.timestep_scale_multiplier + v_timestep, v_embedded_timestep = self.adaln_single( - timestep.flatten(), + timestep_scaled.flatten(), {"resolution": None, "aspect_ratio": None}, batch_size=batch_size, hidden_dtype=hidden_dtype, ) - # Second dimension is 1 or number of tokens (if timestep_per_token) - v_timestep = v_timestep.view(batch_size, -1, v_timestep.shape[-1]) - v_embedded_timestep = v_embedded_timestep.view( - batch_size, -1, v_embedded_timestep.shape[-1] - ) + # Calculate patches_per_frame from orig_shape: [batch, channels, frames, height, width] + # Video tokens are arranged as (frames * height * width), so patches_per_frame = height * width + orig_shape = kwargs.get("orig_shape") + v_patches_per_frame = None + if orig_shape is not None and len(orig_shape) == 5: + # orig_shape[3] = height, orig_shape[4] = width (in latent space) + v_patches_per_frame = orig_shape[3] * orig_shape[4] + + # Reshape to [batch_size, num_tokens, dim] and compress for storage + v_timestep = CompressedTimestep(v_timestep.view(batch_size, -1, v_timestep.shape[-1]), v_patches_per_frame) + v_embedded_timestep = CompressedTimestep(v_embedded_timestep.view(batch_size, -1, v_embedded_timestep.shape[-1]), v_patches_per_frame) # Prepare audio timestep a_timestep = kwargs.get("a_timestep") if a_timestep is not None: - a_timestep = a_timestep * self.timestep_scale_multiplier + a_timestep_scaled = a_timestep * self.timestep_scale_multiplier + a_timestep_flat = a_timestep_scaled.flatten() + timestep_flat = timestep_scaled.flatten() av_ca_factor = self.av_ca_timestep_scale_multiplier / self.timestep_scale_multiplier + # Cross-attention timesteps - compress these too av_ca_audio_scale_shift_timestep, _ = self.av_ca_audio_scale_shift_adaln_single( - a_timestep.flatten(), + a_timestep_flat, {"resolution": None, "aspect_ratio": None}, batch_size=batch_size, hidden_dtype=hidden_dtype, ) av_ca_video_scale_shift_timestep, _ = self.av_ca_video_scale_shift_adaln_single( - timestep.flatten(), + timestep_flat, {"resolution": None, "aspect_ratio": None}, batch_size=batch_size, hidden_dtype=hidden_dtype, ) av_ca_a2v_gate_noise_timestep, _ = self.av_ca_a2v_gate_adaln_single( - timestep.flatten() * av_ca_factor, + timestep_flat * av_ca_factor, {"resolution": None, "aspect_ratio": None}, batch_size=batch_size, hidden_dtype=hidden_dtype, ) av_ca_v2a_gate_noise_timestep, _ = self.av_ca_v2a_gate_adaln_single( - a_timestep.flatten() * av_ca_factor, + a_timestep_flat * av_ca_factor, {"resolution": None, "aspect_ratio": None}, batch_size=batch_size, hidden_dtype=hidden_dtype, ) + # Compress cross-attention timesteps (only video side, audio is too small to benefit) + cross_av_timestep_ss = [ + av_ca_audio_scale_shift_timestep.view(batch_size, -1, av_ca_audio_scale_shift_timestep.shape[-1]), + CompressedTimestep(av_ca_video_scale_shift_timestep.view(batch_size, -1, av_ca_video_scale_shift_timestep.shape[-1]), v_patches_per_frame), # video - compressed + CompressedTimestep(av_ca_a2v_gate_noise_timestep.view(batch_size, -1, av_ca_a2v_gate_noise_timestep.shape[-1]), v_patches_per_frame), # video - compressed + av_ca_v2a_gate_noise_timestep.view(batch_size, -1, av_ca_v2a_gate_noise_timestep.shape[-1]), + ] + a_timestep, a_embedded_timestep = self.audio_adaln_single( - a_timestep.flatten(), + a_timestep_flat, {"resolution": None, "aspect_ratio": None}, batch_size=batch_size, hidden_dtype=hidden_dtype, ) + # Audio timesteps a_timestep = a_timestep.view(batch_size, -1, a_timestep.shape[-1]) - a_embedded_timestep = a_embedded_timestep.view( - batch_size, -1, a_embedded_timestep.shape[-1] - ) - cross_av_timestep_ss = [ - av_ca_audio_scale_shift_timestep, - av_ca_video_scale_shift_timestep, - av_ca_a2v_gate_noise_timestep, - av_ca_v2a_gate_noise_timestep, - ] - cross_av_timestep_ss = list( - [t.view(batch_size, -1, t.shape[-1]) for t in cross_av_timestep_ss] - ) + a_embedded_timestep = a_embedded_timestep.view(batch_size, -1, a_embedded_timestep.shape[-1]) else: - a_timestep = timestep + a_timestep = timestep_scaled a_embedded_timestep = kwargs.get("embedded_timestep") cross_av_timestep_ss = [] @@ -767,6 +838,11 @@ class LTXAVModel(LTXVModel): ax = x[1] v_embedded_timestep = embedded_timestep[0] a_embedded_timestep = embedded_timestep[1] + + # Expand compressed video timestep if needed + if isinstance(v_embedded_timestep, CompressedTimestep): + v_embedded_timestep = v_embedded_timestep.expand() + vx = super()._process_output(vx, v_embedded_timestep, keyframe_idxs, **kwargs) # Process audio output diff --git a/comfy/lora.py b/comfy/lora.py index 2ed0acb9d..e8246bd66 100644 --- a/comfy/lora.py +++ b/comfy/lora.py @@ -322,6 +322,7 @@ def model_lora_keys_unet(model, key_map={}): key_map["diffusion_model.{}".format(key_lora)] = to key_map["transformer.{}".format(key_lora)] = to key_map["lycoris_{}".format(key_lora.replace(".", "_"))] = to + key_map[key_lora] = to if isinstance(model, comfy.model_base.Kandinsky5): for k in sdk: diff --git a/requirements.txt b/requirements.txt index 6c1cd86d2..890070d5d 100644 --- a/requirements.txt +++ b/requirements.txt @@ -1,5 +1,5 @@ comfyui-frontend-package==1.36.13 -comfyui-workflow-templates==0.7.69 +comfyui-workflow-templates==0.8.0 comfyui-embedded-docs==0.4.0 torch torchsde