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_cuda库所需的版本相匹配。你可以通过运行以下命令来检查CUDA版本: bash nvcc --version 如果版本不匹配,你需要下载并安装正确版本的CUDA Toolkit。 确认libcudart.so.11.0是否已正确安装: libcudart.so.11.0是CUDA 11.0的运行时库...
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...
Hello, It's ok to import flash_attn but wrong when importing flash_attn_cuda. I install flash_attn from pip. I have tried to re-install torch and flash_attn and it still not works. Details: The versions of nvcc -V and torch.version.cuda ...
1、首先看nvidia驱动版本,cuda驱动,torch版本,分别是cuda12.0, torch2.1版本。flash_attn也有预编译的whl包,如果版本能匹配上,就到github上下载预编译好的whl安装就行,地址是https://github.com/Dao-AILab/flash-attention/releases 2、在没有whl包时,使用pip install的时候就会自己编译安装,此时就有大量的错误,第...
backends.cuda.sdp_kernel(enable_flash=True, enable_math=True, enable_mem_efficient=True): attn_output = F.scaled_dot_product_attention(query_states, key_states, value_states, attn_mask = attention_mask) attn_output = attn_output.transpose(1, 2) attn_output = attn_output.reshape(bsz,...
方法一: 更换llava.__init__中的代码: # from .model import LlavaLlamaForCausalLM from .model.language_model.llava_llama import LlavaLlamaForCausalLM 有可能会报下一个错误: ImportError: /home/linjl/anaconda3/envs/sd/lib/python3.10/site-packages/flash_attn_2_cuda.cpython-310-x86_64-linux...
# 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 == Llama 2 : Open Foundation and Fine-Tuned Chat Model...
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...
site-packages/flash_attn/flash_attn_interface.py", line 10, in <module> 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#...
env :cuda 12.3 pytorch 2.2.2 Failed to import transformers.models.qwen2.modeling_qwen2 because of the following error (look up to see its traceback): /mnt/pfs/zhangfan/system/anaconda/envs/swift/lib/python3.10/site-packages/flash_attn-2...