Merge 28919e5663 into 7c81b2f27d

.gitignore

@@ -21,7 +21,7 @@
 *.html
 *.pdf
 *.whl
-*cache/
+cache
 __pycache__/
 storage/
 samples/
@@ -29,11 +29,9 @@ samples/
 !requirements.txt
 .DS_Store
 *DS_Store
-.vscode
 google/
 Wan2.1-T2V-14B/
 Wan2.1-T2V-1.3B/
 Wan2.1-I2V-14B-480P/
 Wan2.1-I2V-14B-720P/
 poetry.lock
-logs/

generate.py

@@ -25,12 +25,8 @@ import wan
 from wan.configs import MAX_AREA_CONFIGS, SIZE_CONFIGS, SUPPORTED_SIZES, WAN_CONFIGS
 from wan.utils.prompt_extend import DashScopePromptExpander, QwenPromptExpander
 from wan.utils.utils import cache_image, cache_video, str2bool
-from wan.utils.platform import (
+from wan.utils.platform import get_torch_distributed_backend
-    get_device_type,
+from wan.utils.chrono_inspector import ChronoInspector
-    get_torch_distributed_backend,
-    get_torch_profiler_activities,
-)
-
 
 
 EXAMPLE_PROMPT = {
@@ -256,11 +252,6 @@ def _parse_args():
         type=float,
         default=5.0,
         help="Classifier free guidance scale.")
-    parser.add_argument(
-        "--profile",
-        action="store_true",
-        default=False,
-        help="profile the generating procedure.")
 
     args = parser.parse_args()
 
@@ -281,26 +272,6 @@ def _init_logging(rank):
         logging.basicConfig(level=logging.ERROR)
 
 
-def _init_profiler():
-    return torch.profiler.profile(
-        activities=get_torch_profiler_activities(),
-        on_trace_ready=torch.profiler.tensorboard_trace_handler('./logs'),
-        record_shapes=True,
-        profile_memory=True,
-        with_stack=True,
-    )
-
-
-def _finalize_profiler(profiler):
-    profiler.stop()
-    table = profiler.key_averages().table(
-        sort_by=f"{get_device_type()}_time_total",
-        row_limit=20,
-    )
-    with open(f"logs/{datetime.now().strftime("%Y-%m-%d_%H-%M-%S")}-profiling.txt", "w") as f:
-        f.write(table)
-
-
 def generate(args):
     rank = int(os.getenv("RANK", 0))
     world_size = int(os.getenv("WORLD_SIZE", 1))
@@ -367,10 +338,6 @@ def generate(args):
         base_seed = [args.base_seed] if rank == 0 else [None]
         dist.broadcast_object_list(base_seed, src=0)
         args.base_seed = base_seed[0]
-    
-    profiler = None
-    if args.profile and rank == 0:
-        profiler = _init_profiler()
 
     if "t2v" in args.task or "t2i" in args.task:
         if args.prompt is None:
@@ -399,20 +366,20 @@ def generate(args):
             logging.info(f"Extended prompt: {args.prompt}")
 
         logging.info("Creating WanT2V pipeline.")
-        wan_t2v = wan.WanT2V(
+        with ChronoInspector("Creating WanT2V pipeline"):
-            config=cfg,
+            wan_t2v = wan.WanT2V(
-            checkpoint_dir=args.ckpt_dir,
+                config=cfg,
-            device_id=device,
+                checkpoint_dir=args.ckpt_dir,
-            rank=rank,
+                device_id=device,
-            t5_fsdp=args.t5_fsdp,
+                rank=rank,
-            dit_fsdp=args.dit_fsdp,
+                t5_fsdp=args.t5_fsdp,
-            use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
+                dit_fsdp=args.dit_fsdp,
-            t5_cpu=args.t5_cpu,
+                use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
-            profiler=profiler,
+                t5_cpu=args.t5_cpu,
-        )
+            )
 
         logging.info("Warming up WanT2V pipeline ...")
-        with torch.no_grad():
+        with ChronoInspector("Warming up WanT2V pipeline"):
             _ = wan_t2v.generate(
                 args.prompt,
                 size=SIZE_CONFIGS[args.size],
@@ -425,16 +392,17 @@ def generate(args):
                 offload_model=args.offload_model)
 
         logging.info(f"Generating {'image' if 't2i' in args.task else 'video'} ...")
-        video = wan_t2v.generate(
+        with ChronoInspector(f"Generating {'image' if 't2i' in args.task else 'video'}"):
-            args.prompt,
+            video = wan_t2v.generate(
-            size=SIZE_CONFIGS[args.size],
+                args.prompt,
-            frame_num=args.frame_num,
+                size=SIZE_CONFIGS[args.size],
-            shift=args.sample_shift,
+                frame_num=args.frame_num,
-            sample_solver=args.sample_solver,
+                shift=args.sample_shift,
-            sampling_steps=args.sample_steps,
+                sample_solver=args.sample_solver,
-            guide_scale=args.sample_guide_scale,
+                sampling_steps=args.sample_steps,
-            seed=args.base_seed,
+                guide_scale=args.sample_guide_scale,
-            offload_model=args.offload_model)
+                seed=args.base_seed,
+                offload_model=args.offload_model)
 
     elif "i2v" in args.task:
         if args.prompt is None:
@@ -469,20 +437,20 @@ def generate(args):
             logging.info(f"Extended prompt: {args.prompt}")
 
         logging.info("Creating WanI2V pipeline.")
-        wan_i2v = wan.WanI2V(
+        with ChronoInspector("Creating WanI2V pipeline"):
-            config=cfg,
+            wan_i2v = wan.WanI2V(
-            checkpoint_dir=args.ckpt_dir,
+                config=cfg,
-            device_id=device,
+                checkpoint_dir=args.ckpt_dir,
-            rank=rank,
+                device_id=device,
-            t5_fsdp=args.t5_fsdp,
+                rank=rank,
-            dit_fsdp=args.dit_fsdp,
+                t5_fsdp=args.t5_fsdp,
-            use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
+                dit_fsdp=args.dit_fsdp,
-            t5_cpu=args.t5_cpu,
+                use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
-            profiler=profiler,
+                t5_cpu=args.t5_cpu,
-        )
+            )
 
         logging.info("Warming up WanI2V pipeline ...")
-        with torch.no_grad():
+        with ChronoInspector("Warming up WanI2V pipeline"):
             _ = wan_i2v.generate(
                 args.prompt,
                 img,
@@ -496,17 +464,18 @@ def generate(args):
                 offload_model=args.offload_model)
 
         logging.info("Generating video ...")
-        video = wan_i2v.generate(
+        with ChronoInspector("Generating video"):
-            args.prompt,
+            video = wan_i2v.generate(
-            img,
+                args.prompt,
-            max_area=MAX_AREA_CONFIGS[args.size],
+                img,
-            frame_num=args.frame_num,
+                max_area=MAX_AREA_CONFIGS[args.size],
-            shift=args.sample_shift,
+                frame_num=args.frame_num,
-            sample_solver=args.sample_solver,
+                shift=args.sample_shift,
-            sampling_steps=args.sample_steps,
+                sample_solver=args.sample_solver,
-            guide_scale=args.sample_guide_scale,
+                sampling_steps=args.sample_steps,
-            seed=args.base_seed,
+                guide_scale=args.sample_guide_scale,
-            offload_model=args.offload_model)
+                seed=args.base_seed,
+                offload_model=args.offload_model)
     elif "flf2v" in args.task:
         if args.prompt is None:
             args.prompt = EXAMPLE_PROMPT[args.task]["prompt"]
@@ -542,20 +511,20 @@ def generate(args):
             logging.info(f"Extended prompt: {args.prompt}")
 
         logging.info("Creating WanFLF2V pipeline.")
-        wan_flf2v = wan.WanFLF2V(
+        with ChronoInspector("Creating WanFLF2V pipeline"):
-            config=cfg,
+            wan_flf2v = wan.WanFLF2V(
-            checkpoint_dir=args.ckpt_dir,
+                config=cfg,
-            device_id=device,
+                checkpoint_dir=args.ckpt_dir,
-            rank=rank,
+                device_id=device,
-            t5_fsdp=args.t5_fsdp,
+                rank=rank,
-            dit_fsdp=args.dit_fsdp,
+                t5_fsdp=args.t5_fsdp,
-            use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
+                dit_fsdp=args.dit_fsdp,
-            t5_cpu=args.t5_cpu,
+                use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
-            profiler=profiler
+                t5_cpu=args.t5_cpu,
-        )
+            )
 
         logging.info("Warming up WanFLF2V pipeline ...")
-        with torch.no_grad():
+        with ChronoInspector("Warming up WanFLF2V pipeline"):
             _ = wan_flf2v.generate(
                 args.prompt,
                 first_frame,
@@ -570,18 +539,19 @@ def generate(args):
                 offload_model=args.offload_model)
 
         logging.info("Generating video ...")
-        video = wan_flf2v.generate(
+        with ChronoInspector("Generating video"):
-            args.prompt,
+            video = wan_flf2v.generate(
-            first_frame,
+                args.prompt,
-            last_frame,
+                first_frame,
-            max_area=MAX_AREA_CONFIGS[args.size],
+                last_frame,
-            frame_num=args.frame_num,
+                max_area=MAX_AREA_CONFIGS[args.size],
-            shift=args.sample_shift,
+                frame_num=args.frame_num,
-            sample_solver=args.sample_solver,
+                shift=args.sample_shift,
-            sampling_steps=args.sample_steps,
+                sample_solver=args.sample_solver,
-            guide_scale=args.sample_guide_scale,
+                sampling_steps=args.sample_steps,
-            seed=args.base_seed,
+                guide_scale=args.sample_guide_scale,
-            offload_model=args.offload_model)
+                seed=args.base_seed,
+                offload_model=args.offload_model)
     elif "vace" in args.task:
         if args.prompt is None:
             args.prompt = EXAMPLE_PROMPT[args.task]["prompt"]
@@ -606,17 +576,17 @@ def generate(args):
             logging.info(f"Extended prompt: {args.prompt}")
 
         logging.info("Creating VACE pipeline.")
-        wan_vace = wan.WanVace(
+        with ChronoInspector("Creating VACE pipeline"):
-            config=cfg,
+            wan_vace = wan.WanVace(
-            checkpoint_dir=args.ckpt_dir,
+                config=cfg,
-            device_id=device,
+                checkpoint_dir=args.ckpt_dir,
-            rank=rank,
+                device_id=device,
-            t5_fsdp=args.t5_fsdp,
+                rank=rank,
-            dit_fsdp=args.dit_fsdp,
+                t5_fsdp=args.t5_fsdp,
-            use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
+                dit_fsdp=args.dit_fsdp,
-            t5_cpu=args.t5_cpu,
+                use_usp=(args.ulysses_size > 1 or args.ring_size > 1),
-            profiler=profiler
+                t5_cpu=args.t5_cpu,
-        )
+            )
 
         src_video, src_mask, src_ref_images = wan_vace.prepare_source(
             [args.src_video], [args.src_mask], [
@@ -625,8 +595,8 @@ def generate(args):
             ], args.frame_num, SIZE_CONFIGS[args.size], device)
 
         logging.info("Warming up VACE pipeline ...")
-        with torch.no_grad():
+        with ChronoInspector("Warming up VACE pipeline"):
-            _ = wan_vace.generate(
+            video = wan_vace.generate(
                 args.prompt,
                 src_video,
                 src_mask,
@@ -641,25 +611,23 @@ def generate(args):
                 offload_model=args.offload_model)
 
         logging.info(f"Generating video...")
-        video = wan_vace.generate(
+        with ChronoInspector("Generating video"):
-            args.prompt,
+            video = wan_vace.generate(
-            src_video,
+                args.prompt,
-            src_mask,
+                src_video,
-            src_ref_images,
+                src_mask,
-            size=SIZE_CONFIGS[args.size],
+                src_ref_images,
-            frame_num=args.frame_num,
+                size=SIZE_CONFIGS[args.size],
-            shift=args.sample_shift,
+                frame_num=args.frame_num,
-            sample_solver=args.sample_solver,
+                shift=args.sample_shift,
-            sampling_steps=args.sample_steps,
+                sample_solver=args.sample_solver,
-            guide_scale=args.sample_guide_scale,
+                sampling_steps=args.sample_steps,
-            seed=args.base_seed,
+                guide_scale=args.sample_guide_scale,
-            offload_model=args.offload_model)
+                seed=args.base_seed,
+                offload_model=args.offload_model)
     else:
         raise ValueError(f"Unkown task type: {args.task}")
 
-    if args.profile and rank == 0:
-        _finalize_profiler(profiler)
-
     if rank == 0:
         if args.save_file is None:
             formatted_time = datetime.now().strftime("%Y%m%d_%H%M%S")

wan/first_last_frame2video.py

@@ -6,7 +6,6 @@ import os
 import random
 import sys
 import types
-from time import perf_counter
 from contextlib import contextmanager
 from functools import partial
 
@@ -55,7 +54,6 @@ class WanFLF2V:
         use_usp=False,
         t5_cpu=False,
         init_on_cpu=True,
-        profiler=None,
     ):
         r"""
         Initializes the image-to-video generation model components.
@@ -145,7 +143,6 @@ class WanFLF2V:
                 self.model.to(self.device)
 
         self.sample_neg_prompt = config.sample_neg_prompt
-        self.profiler = profiler
 
     def generate(self,
                  input_prompt,
@@ -200,14 +197,6 @@ class WanFLF2V:
                 - H: Frame height (from max_area)
                 - W: Frame width from max_area)
         """
-        if self.profiler and self.rank == 0:
-            self.profiler.start()
-
-        start_time = 0.0
-        end_time = 0.0
-        if self.rank == 0:
-            start_time = perf_counter()
-
         first_frame_size = first_frame.size
         last_frame_size = last_frame.size
         first_frame = TF.to_tensor(first_frame).sub_(0.5).div_(0.5).to(
@@ -300,10 +289,6 @@ class WanFLF2V:
         ])[0]
         y = torch.concat([msk, y])
 
-        if self.rank == 0:
-            end_time = perf_counter()
-            logging.info(f"[preprocess and VAE encode] Elapsed time: {end_time - start_time:.2f} seconds")
-
         @contextmanager
         def noop_no_sync():
             yield
@@ -354,14 +339,8 @@ class WanFLF2V:
             if offload_model:
                 empty_cache()
 
-            if self.rank == 0:
-                start_time = perf_counter()
-
             self.model.to(self.device)
             for _, t in enumerate(tqdm(timesteps)):
-                if self.profiler and self.rank == 0:
-                    self.profiler.step()
-
                 latent_model_input = [latent.to(self.device)]
                 timestep = [t]
 
@@ -391,22 +370,15 @@ class WanFLF2V:
                     generator=seed_g)[0]
                 latent = temp_x0.squeeze(0)
 
-            if self.rank == 0:
+                x0 = [latent.to(self.device)]
-                end_time = perf_counter()
+                del latent_model_input, timestep
-                logging.info(f"[sampling time steps] Elapsed time: {end_time - start_time:.2f} seconds")
-
-            x0 = [latent.to(self.device)]
-            del latent_model_input, timestep
 
             if offload_model:
                 self.model.cpu()
                 empty_cache()
 
             if self.rank == 0:
-                start_time = perf_counter()
                 videos = self.vae.decode(x0)
-                end_time = perf_counter()
-                logging.info(f"[VAE decoding] Elapsed time: {end_time - start_time:.2f} seconds")
 
         del noise, latent
         del sample_scheduler

wan/image2video.py

@@ -6,7 +6,6 @@ import os
 import random
 import sys
 import types
-from time import perf_counter
 from contextlib import contextmanager
 from functools import partial
 
@@ -55,7 +54,6 @@ class WanI2V:
         use_usp=False,
         t5_cpu=False,
         init_on_cpu=True,
-        profiler=None,
     ):
         r"""
         Initializes the image-to-video generation model components.
@@ -145,7 +143,6 @@ class WanI2V:
                 self.model.to(self.device)
 
         self.sample_neg_prompt = config.sample_neg_prompt
-        self.profiler = profiler
 
     def generate(self,
                  input_prompt,
@@ -195,14 +192,6 @@ class WanI2V:
                 - H: Frame height (from max_area)
                 - W: Frame width from max_area)
         """
-        if self.profiler and self.rank == 0:
-            self.profiler.start()
-
-        start_time = 0.0
-        end_time = 0.0
-        if self.rank == 0:
-            start_time = perf_counter()
-
         img = TF.to_tensor(img).sub_(0.5).div_(0.5).to(self.device)
 
         F = frame_num
@@ -273,10 +262,6 @@ class WanI2V:
         ])[0]
         y = torch.concat([msk, y])
 
-        if self.rank == 0:
-            end_time = perf_counter()
-            logging.info(f"[preprocess and VAE encode] Elapsed time: {end_time - start_time:.2f} seconds")
-
         @contextmanager
         def noop_no_sync():
             yield
@@ -327,14 +312,8 @@ class WanI2V:
             if offload_model:
                 empty_cache()
 
-            if self.rank == 0:
-                start_time = perf_counter()
-
             self.model.to(self.device)
             for _, t in enumerate(tqdm(timesteps)):
-                if self.profiler and self.rank == 0:
-                    self.profiler.step()
-
                 latent_model_input = [latent.to(self.device)]
                 timestep = [t]
 
@@ -364,22 +343,15 @@ class WanI2V:
                     generator=seed_g)[0]
                 latent = temp_x0.squeeze(0)
 
-            if self.rank == 0:
+                x0 = [latent.to(self.device)]
-                end_time = perf_counter()
+                del latent_model_input, timestep
-                logging.info(f"[sampling time steps] Elapsed time: {end_time - start_time:.2f} seconds")
-
-            x0 = [latent.to(self.device)]
-            del latent_model_input, timestep
 
             if offload_model:
                 self.model.cpu()
                 empty_cache()
 
             if self.rank == 0:
-                start_time = perf_counter()
                 videos = self.vae.decode(x0)
-                end_time = perf_counter()
-                logging.info(f"[VAE decoding] Elapsed time: {end_time - start_time:.2f} seconds")
 
         del noise, latent
         del sample_scheduler

wan/modules/model.py

@@ -16,7 +16,7 @@ try:
     from wan.modules.attention import attention as flash_attention
     torch.backends.mudnn.allow_tf32 = True
 except ModuleNotFoundError:
-    torch_musa = None
+    pass
 
 __all__ = ['WanModel']
 

wan/text2video.py

@@ -6,7 +6,6 @@ import os
 import random
 import sys
 import types
-from time import perf_counter
 from contextlib import contextmanager
 from functools import partial
 
@@ -51,7 +50,6 @@ class WanT2V:
         dit_fsdp=False,
         use_usp=False,
         t5_cpu=False,
-        profiler=None,
     ):
         r"""
         Initializes the Wan text-to-video generation model components.
@@ -126,7 +124,6 @@ class WanT2V:
             self.model.to(self.device)
 
         self.sample_neg_prompt = config.sample_neg_prompt
-        self.profiler = profiler
 
     def generate(self,
                  input_prompt,
@@ -172,14 +169,6 @@ class WanT2V:
                 - H: Frame height (from size)
                 - W: Frame width from size)
         """
-        if self.profiler and self.rank == 0:
-            self.profiler.start()
-
-        start_time = 0.0
-        end_time = 0.0
-        if self.rank == 0:
-            start_time = perf_counter()
-
         # preprocess
         F = frame_num
         target_shape = (self.vae.model.z_dim, (F - 1) // self.vae_stride[0] + 1,
@@ -219,10 +208,6 @@ class WanT2V:
                 generator=seed_g)
         ]
 
-        if self.rank == 0:
-            end_time = perf_counter()
-            logging.info(f"[preprocess] Elapsed time: {end_time - start_time:.2f} seconds")
-
         @contextmanager
         def noop_no_sync():
             yield
@@ -259,14 +244,8 @@ class WanT2V:
             arg_c = {'context': context, 'seq_len': seq_len}
             arg_null = {'context': context_null, 'seq_len': seq_len}
 
-            if self.rank == 0:
-                start_time = perf_counter()
-
             self.model.to(self.device)
             for _, t in enumerate(tqdm(timesteps)):
-                if self.profiler and self.rank == 0:
-                    self.profiler.step()
-
                 latent_model_input = latents
                 timestep = [t]
 
@@ -288,19 +267,12 @@ class WanT2V:
                     generator=seed_g)[0]
                 latents = [temp_x0.squeeze(0)]
 
-            if self.rank == 0:
-                end_time = perf_counter()
-                logging.info(f"[sampling time steps] Elapsed time: {end_time - start_time:.2f} seconds")
-
             x0 = latents
             if offload_model:
                 self.model.cpu()
                 empty_cache()
             if self.rank == 0:
-                start_time = perf_counter()
                 videos = self.vae.decode(x0)
-                end_time = perf_counter()
-                logging.info(f"[VAE decoding] Elapsed time: {end_time - start_time:.2f} seconds")
 
         del noise, latents
         del sample_scheduler

wan/utils/platform.py

@@ -1,4 +1,4 @@
-from typing import Optional, List
+from typing import Optional
 
 import torch
 
@@ -8,7 +8,7 @@ except ModuleNotFoundError:
     torch_musa = None
 
 
-def _is_musa() -> bool:
+def _is_musa():
     if torch_musa is None:
         return False
     else:
@@ -48,14 +48,3 @@ def get_torch_distributed_backend() -> str:
         return "mccl"
     else:
         raise NotImplementedError("No Accelerators(NV/MTT GPU) available")
-
-
-def get_torch_profiler_activities() -> List[torch.profiler.ProfilerActivity]:
-    activities: List[torch.profiler.ProfilerActivity] = [
-        torch.profiler.ProfilerActivity.CPU
-    ]
-    if torch.cuda.is_available():
-        activities.append(torch.profiler.ProfilerActivity.CUDA)
-    elif _is_musa():
-        activities.append(torch.profiler.ProfilerActivity.MUSA)
-    return activities

wan/vace.py

@@ -8,7 +8,6 @@ import sys
 import time
 import traceback
 import types
-from time import perf_counter
 from contextlib import contextmanager
 from functools import partial
 
@@ -59,7 +58,6 @@ class WanVace(WanT2V):
         dit_fsdp=False,
         use_usp=False,
         t5_cpu=False,
-        profiler=None,
     ):
         r"""
         Initializes the Wan text-to-video generation model components.
@@ -152,8 +150,6 @@ class WanVace(WanT2V):
             seq_len=75600,
             keep_last=True)
 
-        self.profiler = profiler
-
     def vace_encode_frames(self, frames, ref_images, masks=None, vae=None):
         vae = self.vae if vae is None else vae
         if ref_images is None:
@@ -358,14 +354,6 @@ class WanVace(WanT2V):
                 - H: Frame height (from size)
                 - W: Frame width from size)
         """
-        if self.profiler and self.rank == 0:
-            self.profiler.start()
-
-        start_time = 0.0
-        end_time = 0.0
-        if self.rank == 0:
-            start_time = perf_counter()
-
         # preprocess
         # F = frame_num
         # target_shape = (self.vae.model.z_dim, (F - 1) // self.vae_stride[0] + 1,
@@ -416,10 +404,6 @@ class WanVace(WanT2V):
                             (self.patch_size[1] * self.patch_size[2]) *
                             target_shape[1] / self.sp_size) * self.sp_size
 
-        if self.rank == 0:
-            end_time = perf_counter()
-            logging.info(f"[preprocess] Elapsed time: {end_time - start_time:.2f} seconds")
-
         @contextmanager
         def noop_no_sync():
             yield
@@ -456,19 +440,13 @@ class WanVace(WanT2V):
             arg_c = {'context': context, 'seq_len': seq_len}
             arg_null = {'context': context_null, 'seq_len': seq_len}
 
-            if self.rank == 0:
-                start_time = perf_counter()
-
-            self.model.to(self.device)
             for _, t in enumerate(tqdm(timesteps)):
-                if self.profiler and self.rank == 0:
-                    self.profiler.step()
-
                 latent_model_input = latents
                 timestep = [t]
 
                 timestep = torch.stack(timestep)
 
+                self.model.to(self.device)
                 noise_pred_cond = self.model(
                     latent_model_input,
                     t=timestep,
@@ -493,19 +471,12 @@ class WanVace(WanT2V):
                     generator=seed_g)[0]
                 latents = [temp_x0.squeeze(0)]
 
-            if self.rank == 0:
-                end_time = perf_counter()
-                logging.info(f"[sampling time steps] Elapsed time: {end_time - start_time:.2f} seconds")
-
             x0 = latents
             if offload_model:
                 self.model.cpu()
                 empty_cache()
             if self.rank == 0:
-                start_time = perf_counter()
                 videos = self.decode_latent(x0, input_ref_images)
-                end_time = perf_counter()
-                logging.info(f"[VAE decoding] Elapsed time: {end_time - start_time:.2f} seconds")
 
         del noise, latents
         del sample_scheduler