[major] add flux.1-redux; update the flux.1-tools demos

app/flux.1/i2i/run_gradio.py → app/flux.1/sketch/run_gradio.py

@@ -82,7 +82,7 @@ def run(image, prompt: str, prompt_template: str, sketch_guidance: float, seed:
         image_type="sketch",
         alpha=sketch_guidance,
         prompt=prompt,
-        generator=torch.Generator().manual_seed(int(seed)),
+        generator=torch.Generator().manual_seed(seed),
     ).images[0]
 
     latency = time.time() - start_time
@@ -229,7 +229,7 @@ with gr.Blocks(css_paths="assets/style.css", title=f"SVDQuant Sketch-to-Image De
         outputs=[prompt_template],
         api_name=False,
         queue=False,
-    ).then(fn=run, inputs=run_inputs, outputs=run_outputs, api_name=False)
+    )
     gr.on(
         triggers=[prompt.submit, run_button.click, canvas.change],
         fn=run,
@@ -244,4 +244,4 @@ with gr.Blocks(css_paths="assets/style.css", title=f"SVDQuant Sketch-to-Image De
 
 
 if __name__ == "__main__":
-    demo.queue().launch(debug=True, share=True)
+    demo.queue().launch(debug=True, share=True, root_path=args.gradio_root_path)

app/flux.1/i2i/utils.py → app/flux.1/sketch/utils.py

@@ -9,5 +9,6 @@ def get_args() -> argparse.Namespace:
     parser.add_argument("--use-qencoder", action="store_true", help="Whether to use 4-bit text encoder")
     parser.add_argument("--no-safety-checker", action="store_true", help="Disable safety checker")
     parser.add_argument("--count-use", action="store_true", help="Whether to count the number of uses")
+    parser.add_argument("--gradio-root-path", type=str, default="")
     args = parser.parse_args()
     return args

app/flux.1/t2i/README.md

@@ -2,6 +2,12 @@
 
 ## Text-to-Image Gradio Demo
 
+![demo](./assets/demo.jpg)
+
+This interactive Gradio application can generate an image based on your provided text prompt. The base model can be either [FLUX.1-schnell](https://huggingface.co/black-forest-labs/FLUX.1-schnell) or [FLUX.1-dev](https://huggingface.co/black-forest-labs/FLUX.1-dev).
+
+To launch the application, simply run:
+
 ```shell
 python run_gradio.py
 ```

app/flux.1/t2i/run_gradio.py

@@ -35,6 +35,7 @@ def get_args() -> argparse.Namespace:
     parser.add_argument("--use-qencoder", action="store_true", help="Whether to use 4-bit text encoder")
     parser.add_argument("--no-safety-checker", action="store_true", help="Disable safety checker")
     parser.add_argument("--count-use", action="store_true", help="Whether to count the number of uses")
+    parser.add_argument("--gradio-root-path", type=str, default="")
     return parser.parse_args()
 
 
@@ -282,4 +283,4 @@ with gr.Blocks(
 
 
 if __name__ == "__main__":
-    demo.queue(max_size=20).launch(server_name="0.0.0.0", debug=True, share=True)
+    demo.queue(max_size=20).launch(server_name="0.0.0.0", debug=True, share=True, root_path=args.gradio_root_path)

app/sana/t2i/README.md

@@ -2,6 +2,10 @@
 
 ## Text-to-Image Gradio Demo
 
+![demo](./assets/demo.jpg)
+
+This interactive Gradio application can generate an image based on your provided text prompt. The base model is [SANA-1.6B](https://huggingface.co/Efficient-Large-Model/Sana_1600M_1024px_BF16_diffusers).
+
 ```shell
 python run_gradio.py
 ```

app/sana/t2i/run_gradio.py

@@ -6,9 +6,6 @@ import time
 from datetime import datetime
 
 import GPUtil
-
-# import gradio last to avoid conflicts with other imports
-import gradio as gr
 import spaces
 import torch
 
@@ -16,6 +13,9 @@ from nunchaku.models.safety_checker import SafetyChecker
 from utils import get_pipeline
 from vars import EXAMPLES, MAX_SEED
 
+# import gradio last to avoid conflicts with other imports
+import gradio as gr
+
 
 def get_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser()
@@ -31,6 +31,7 @@ def get_args() -> argparse.Namespace:
     parser.add_argument("--use-qencoder", action="store_true", help="Whether to use 4-bit text encoder")
     parser.add_argument("--no-safety-checker", action="store_true", help="Disable safety checker")
     parser.add_argument("--count-use", action="store_true", help="Whether to count the number of uses")
+    parser.add_argument("--gradio-root-path", type=str, default="")
     return parser.parse_args()
 
 
@@ -205,4 +206,4 @@ with gr.Blocks(
 
 
 if __name__ == "__main__":
-    demo.queue(max_size=20).launch(server_name="0.0.0.0", debug=True, share=True)
+    demo.queue(max_size=20).launch(server_name="0.0.0.0", debug=True, share=True, root_path=args.gradio_root_path)

examples/flux.1-dev.py

@@ -8,4 +8,4 @@ pipeline = FluxPipeline.from_pretrained(
     "black-forest-labs/FLUX.1-dev", transformer=transformer, torch_dtype=torch.bfloat16
 ).to("cuda")
 image = pipeline("A cat holding a sign that says hello world", num_inference_steps=50, guidance_scale=3.5).images[0]
-image.save("flux.1-dev.png")
+image.save("flux.1-dev-int4.png")

examples/flux.1-fill-dev.py

@@ -12,7 +12,7 @@ pipe = FluxFillPipeline.from_pretrained(
     "black-forest-labs/FLUX.1-Fill-dev", transformer=transformer, torch_dtype=torch.bfloat16
 ).to("cuda")
 image = pipe(
-    prompt="A wooden basked of several individual cartons of blueberries.",
+    prompt="A wooden basket of several individual cartons of blueberries.",
     image=image,
     mask_image=mask,
     height=1024,
@@ -21,4 +21,4 @@ image = pipe(
     num_inference_steps=50,
     max_sequence_length=512,
 ).images[0]
-image.save("flux.1-fill-dev-int4.png")
+image.save("flux.1-fill-dev.png")

examples/flux.1-redux-dev.py

+import torch
+from diffusers import FluxPriorReduxPipeline, FluxPipeline
+from diffusers.utils import load_image
+from nunchaku.models.transformer_flux import NunchakuFluxTransformer2dModel
+
+pipe_prior_redux = FluxPriorReduxPipeline.from_pretrained(
+    "black-forest-labs/FLUX.1-Redux-dev", torch_dtype=torch.bfloat16
+).to("cuda")
+transformer = NunchakuFluxTransformer2dModel.from_pretrained("mit-han-lab/svdq-int4-flux.1-dev")
+pipe = FluxPipeline.from_pretrained(
+    "black-forest-labs/FLUX.1-dev",
+    text_encoder=None,
+    text_encoder_2=None,
+    transformer=transformer,
+    torch_dtype=torch.bfloat16,
+).to("cuda")
+
+image = load_image("https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/robot.png")
+pipe_prior_output = pipe_prior_redux(image)
+images = pipe(guidance_scale=2.5, num_inference_steps=50, **pipe_prior_output).images
+images[0].save("flux.1-redux-dev.png")

examples/flux.1-schnell.py

@@ -7,5 +7,12 @@ transformer = NunchakuFluxTransformer2dModel.from_pretrained("mit-han-lab/svdq-i
 pipeline = FluxPipeline.from_pretrained(
     "black-forest-labs/FLUX.1-schnell", transformer=transformer, torch_dtype=torch.bfloat16
 ).to("cuda")
-image = pipeline("A cat holding a sign that says hello world", num_inference_steps=4, guidance_scale=0).images[0]
-image.save("flux.1-schnell.png")
+image = pipeline(
+    "A cat holding a sign that says hello world",
+    width=1024,
+    height=1024,
+    num_inference_steps=4,
+    guidance_scale=0,
+    generator=torch.Generator().manual_seed(2333),
+).images[0]
+image.save("flux.1-schnell-int4.png")

nunchaku/__version__.py

-__version__ = "0.0.2beta2"
+__version__ = "0.0.2beta3"

nunchaku/models/transformer_flux.py

@@ -8,7 +8,7 @@ from huggingface_hub import hf_hub_download, utils
 from packaging.version import Version
 from torch import nn
 
-from .utils import NunchakuModelLoaderMixin
+from .utils import NunchakuModelLoaderMixin, pad_tensor
 from .._C import QuantizedFluxModel, utils as cutils
 
 SVD_RANK = 32
@@ -52,6 +52,10 @@ class NunchakuFluxTransformerBlocks(nn.Module):
         rotary_emb_img = image_rotary_emb[:, txt_tokens:, ...]  # .to(self.dtype)
         rotary_emb_single = image_rotary_emb  # .to(self.dtype)
 
+        rotary_emb_txt = pad_tensor(rotary_emb_txt, 256, 1)
+        rotary_emb_img = pad_tensor(rotary_emb_img, 256, 1)
+        rotary_emb_single = pad_tensor(rotary_emb_single, 256, 1)
+
         hidden_states = self.m.forward(
             hidden_states, encoder_hidden_states, temb, rotary_emb_img, rotary_emb_txt, rotary_emb_single
         )

nunchaku/models/utils.py

@@ -4,6 +4,7 @@ import torch
 from diffusers import __version__
 from huggingface_hub import constants, hf_hub_download
 from safetensors.torch import load_file
+from typing import Optional, Any
 
 
 class NunchakuModelLoaderMixin:
@@ -64,3 +65,20 @@ class NunchakuModelLoaderMixin:
         transformer.load_state_dict(state_dict, strict=False)
 
         return transformer, transformer_block_path
+
+def ceil_div(x: int, y: int) -> int:
+    return (x + y - 1) // y
+
+def pad_tensor(tensor: Optional[torch.Tensor], multiples: int, dim: int, fill: Any = 0) -> torch.Tensor:
+    if multiples <= 1:
+        return tensor
+    if tensor is None:
+        return None
+    shape = list(tensor.shape)
+    if shape[dim] % multiples == 0:
+        return tensor
+    shape[dim] = ceil_div(shape[dim], multiples) * multiples
+    result = torch.empty(shape, dtype=tensor.dtype, device=tensor.device)
+    result.fill_(fill)
+    result[[slice(0, extent) for extent in tensor.shape]] = tensor
+    return result
\ No newline at end of file

setup.py

@@ -3,6 +3,7 @@ import os
 import setuptools
 from torch.utils.cpp_extension import BuildExtension, CUDAExtension
 
+
 class CustomBuildExtension(BuildExtension):
     def build_extensions(self):
         for ext in self.extensions:
@@ -17,6 +18,7 @@ class CustomBuildExtension(BuildExtension):
                 ext.extra_compile_args["cxx"] += ext.extra_compile_args["gcc"]
         super().build_extensions()
 
+
 if __name__ == "__main__":
     fp = open("nunchaku/__version__.py", "r").read()
     version = eval(fp.strip().split()[-1])
@@ -53,8 +55,12 @@ if __name__ == "__main__":
     NVCC_FLAGS = [
         "-DENABLE_BF16=1",
         "-DBUILD_NUNCHAKU=1",
-        "-gencode", "arch=compute_86,code=sm_86",
-        "-gencode", "arch=compute_89,code=sm_89",
+        "-gencode",
+        "arch=compute_86,code=sm_86",
+        "-gencode",
+        "arch=compute_89,code=sm_89",
+        # "-gencode",
+        # "arch=compute_89,code=sm_120a",
         "-g",
         "-std=c++20",
         "-UNDEBUG",
@@ -76,9 +82,7 @@ if __name__ == "__main__":
         "--ptxas-options=--allow-expensive-optimizations=true",
     ]
     # https://github.com/NVIDIA/cutlass/pull/1479#issuecomment-2052300487
-    NVCC_MSVC_FLAGS = [
-        "-Xcompiler", "/Zc:__cplusplus"
-    ]
+    NVCC_MSVC_FLAGS = ["-Xcompiler", "/Zc:__cplusplus"]
 
     nunchaku_extension = CUDAExtension(
         name="nunchaku._C",
@@ -97,8 +101,12 @@ if __name__ == "__main__":
             *ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_hdim128_bf16_sm80.cu"),
             *ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim64_fp16_sm80.cu"),
             *ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim64_bf16_sm80.cu"),
-            *ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim128_fp16_sm80.cu"),
-            *ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim128_bf16_sm80.cu"),
+            *ncond(
+                "third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim128_fp16_sm80.cu"
+            ),
+            *ncond(
+                "third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim128_bf16_sm80.cu"
+            ),
             "src/kernels/activation_kernels.cu",
             "src/kernels/layernorm_kernels.cu",
             "src/kernels/misc_kernels.cu",