fix.

lightx2v/common/ops/mm/mm_weight.py

@@ -2,12 +2,11 @@ import torch
 from abc import ABCMeta, abstractmethod
 from vllm import _custom_ops as ops
 
-# import sgl_kernel
+import sgl_kernel
 from lightx2v.utils.registry_factory import MM_WEIGHT_REGISTER
 from lightx2v.utils.quant_utils import IntegerQuantizer, FloatQuantizer
 from lightx2v.utils.envs import *
 from loguru import logger
-from safetensors import safe_open
 
 try:
     import q8_kernels.functional as Q8F
@@ -21,9 +20,11 @@ except ImportError:
 
 
 class MMWeightTemplate(metaclass=ABCMeta):
-    def __init__(self, weight_name, bias_name):
+    def __init__(self, weight_name, bias_name, lazy_load=False, lazy_load_file=None):
         self.weight_name = weight_name
         self.bias_name = bias_name
+        self.lazy_load = lazy_load
+        self.lazy_load_file = lazy_load_file
         self.config = {}
 
     @abstractmethod
@@ -61,8 +62,8 @@ class MMWeightTemplate(metaclass=ABCMeta):
 
 @MM_WEIGHT_REGISTER("Default")
 class MMWeight(MMWeightTemplate):
-    def __init__(self, weight_name, bias_name):
-        super().__init__(weight_name, bias_name)
+    def __init__(self, weight_name, bias_name, lazy_load=False, lazy_load_file=None):
+        super().__init__(weight_name, bias_name, lazy_load, lazy_load_file)
 
     def load(self, weight_dict):
         self.weight = weight_dict[self.weight_name].t()
@@ -90,8 +91,8 @@ class MMWeight(MMWeightTemplate):
 
 @MM_WEIGHT_REGISTER("Default-Force-FP32")
 class MMWeightForceFP32(MMWeight):
-    def __init__(self, weight_name, bias_name):
-        super().__init__(weight_name, bias_name)
+    def __init__(self, weight_name, bias_name, lazy_load=False, lazy_load_file=None):
+        super().__init__(weight_name, bias_name, lazy_load, lazy_load_file)
 
     def load(self, weight_dict):
         super().load(weight_dict)
@@ -102,7 +103,7 @@ class MMWeightForceFP32(MMWeight):
 
 class MMWeightQuantTemplate(MMWeightTemplate):
     def __init__(self, weight_name, bias_name, lazy_load=False, lazy_load_file=None):
-        super().__init__(weight_name, bias_name)
+        super().__init__(weight_name, bias_name, lazy_load, lazy_load_file)
         self.weight_scale_name = self.weight_name.removesuffix(".weight") + ".weight_scale"
         self.load_func = None
         self.weight_need_transpose = True

tools/convert/readme.md

@@ -46,7 +46,7 @@ python converter.py \
     --output /Path/To/output \
     --output_ext .pth\
     --output_name wan_fp8 \
-    --dtype torch.float8_e4m3_fn \
+    --dtype torch.float8_e4m3fn \
     --model_type wan_dit
 ```
 
@@ -70,7 +70,7 @@ python converter.py \
     --output /Path/To/output \
     --output_ext .pth\
     --output_name hunyuan_fp8 \
-    --dtype torch.float8_e4m3_fn \
+    --dtype torch.float8_e4m3fn \
     --model_type hunyuan_dit
 ```
 

tools/convert/readme_zh.md

@@ -46,7 +46,7 @@ python converter.py \
     --output /Path/To/output \
     --output_ext .pth\
     --output_name wan_fp8 \
-    --dtype torch.float8_e4m3_fn \
+    --dtype torch.float8_e4m3fn \
     --model_type wan_dit
 ```
 
@@ -70,7 +70,7 @@ python converter.py \
     --output /Path/To/output \
     --output_ext .pth\
     --output_name hunyuan_fp8 \
-    --dtype torch.float8_e4m3_fn \
+    --dtype torch.float8_e4m3fn \
     --model_type hunyuan_dit
 ```