yangapku commited on
Commit
5bfdae9
1 Parent(s): 8750247

add kernel file check in modeling_qwen.py

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Files changed (1) hide show
  1. modeling_qwen.py +14 -4
modeling_qwen.py CHANGED
@@ -6,11 +6,13 @@
6
  import copy
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  import importlib
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  import math
 
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  from typing import TYPE_CHECKING, Optional, Tuple, Union, Callable, List, Any, Generator
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  import torch
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  import torch.nn.functional as F
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  import torch.utils.checkpoint
 
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  from torch.cuda.amp import autocast
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  from torch.nn import CrossEntropyLoss
@@ -295,11 +297,19 @@ class QWenAttention(nn.Module):
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  self.cache_qmin = torch.tensor(torch.iinfo(torch.uint8).min, dtype=cache_dtype)
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  if config.use_cache_quantization and config.use_cache_kernel:
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- from .cpp_kernels import cache_autogptq_cuda_256
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- try:
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- self.cache_kernels = cache_autogptq_cuda_256
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- except ImportError:
 
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  self.cache_kernels = None
 
 
 
 
 
 
 
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  def _attn(self, query, key, value, registered_causal_mask, attention_mask=None, head_mask=None):
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  device = query.device
 
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  import copy
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  import importlib
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  import math
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+ import pathlib
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  from typing import TYPE_CHECKING, Optional, Tuple, Union, Callable, List, Any, Generator
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  import torch
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  import torch.nn.functional as F
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  import torch.utils.checkpoint
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+ import warnings
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  from torch.cuda.amp import autocast
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  from torch.nn import CrossEntropyLoss
 
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  self.cache_qmin = torch.tensor(torch.iinfo(torch.uint8).min, dtype=cache_dtype)
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  if config.use_cache_quantization and config.use_cache_kernel:
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+ # pre check if the support files existing
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+ module_root = pathlib.Path(__file__).parent
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+ src_files = ("cache_autogptq_cuda_256.cpp", "cache_autogptq_cuda_kernel_256.cu")
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+ if any(not (module_root/src).is_file() for src in src_files):
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+ warnings.warn("KV cache kernel source files (.cpp and .cu) not found.")
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  self.cache_kernels = None
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+ else:
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+ try:
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+ from .cpp_kernels import cache_autogptq_cuda_256
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+ self.cache_kernels = cache_autogptq_cuda_256
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+ except ImportError:
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+ warnings.warn("Failed to import KV cache kernels.")
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+ self.cache_kernels = None
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  def _attn(self, query, key, value, registered_causal_mask, attention_mask=None, head_mask=None):
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  device = query.device