遇到import flash_attn_2_cuda as flash_attn_cuda 时出现的 ImportError: libcudart.so.11.0 错误通常表明Python环境在尝试加载CUDA运行时库时遇到了问题。以下是一些解决步骤,可以帮助你解决这个问题: 检查CUDA版本是否匹配: 确保你安装的CUDA Toolkit版本与你尝试导入的flash_attn_2
import flash_attn_2_cuda as flash_attn_cuda ImportError: /usr/local/lib/python3.10/dist-packages/flash_attn_2_cuda.cpython-310-x86_64-linux-gnu.so: undefined symbol: _ZN2at4_ops5zeros4callEN3c108ArrayRefINS2_6SymIntEEENS2_8optionalINS2_10ScalarTypeEEENS6_INS2_6LayoutEEENS6_INS2_6Devic...
import flash_attn_2_cuda as flash_attn_cuda ImportError: /home/apus/mambaforge/envs/Qwen/lib/python3.11/site-packages/flash_attn_2_cuda.cpython-311-x86_64-linux-gnu.so: undefined symbol: _ZN3c104cuda9SetDeviceEi
import torch.nn.functional as F from torch import nn try: import xformers.ops MEM_EFFICIENT_ATTN = True except ImportError: MEM_EFFICIENT_ATTN = False class AttentionBlock(nn.Module): """ An attention block that allows spatial positions to attend to each other. Originally ported...
# model_name_or_path, torch_dtype=torch.float16, device_map="auto", attn_implementation="flash_attention_2" # ) model=AutoModelForCausalLM.from_pretrained(model_name_or_path,device_map="auto") article=''' == BEGIN ARTICLE ==
transpose(1, 2) attn_output = xops.memory_efficient_attention( query_states, key_states, value_states, attn_bias=xops.LowerTriangularMask() ) else: with torch.backends.cuda.sdp_kernel(enable_flash=True, enable_math=True, enable_mem_efficient=True): attn_output = F.scaled_dot_...
Inside it, flash-atten version 2.0.4 is already installed. Both nvcc and torch are based on CUDA 12.2. Unfortunately, I am getting the error No module named 'flash_attn_cuda'. How was this installed? u can try to use "import flash_attn_2_cuda as flash_attn_cuda" Jayce0625 ...
I found I was unable to import flash_attn_cuda after running python setup.py install. --- details --- I run python setup.py install with a prefix pointing to the root dir of flash-attention. I set PYTHONPATH=$PWD also with the absolute path of the root dir of flash-attention. Any...
import flash_attn_2_cuda as flash_attn_cuda ImportError: /home/mdabdullah-_al-asad/.local/lib/python3.10/site-packages/flash_attn_2_cuda.cpython-310-x86_64-linux-gnu.so: undefined symbol:ZN2at4_ops15sum_IntList_out4callERKNS_6TensorEN3c1016OptionalArrayRefIlEEbSt8optionalINS5_10ScalarType...