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_cuda库所需的版本相匹配。你可...
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...
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 are both 11.7 and compatible. Please help me. Thank...
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...
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_...
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...
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=$PWD also with the absolute path of the root dir of flash-attention. Any...
add results of the following txt file after piping results to file: pip freeze>out.txtecho$PATH>path.txt and uname -a It seems that there is noflash_attn.flash_attentionmodule after flash-attn2.xversion. Maybe you can try version1.xor0.xversion, such as0.2.8....
C:\Users\QK\Desktop\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-segment-anything-2\sam2\modeling\sam\transformer.py:20: UserWarning: Flash Attention is disabled as it requires a GPU with Ampere (8.0) CUDA capability. OLD_GPU, USE_FLASH_ATTN, MATH_KERNEL_ON = get_sdpa_settings()...
Thanks for sharing your amazing work, i was excited to give it a try. I tried to follow the steps and after building kernal package in /models/csrc/, after running the code i am getting the error as if there is no package, i am not sure if i am missing anything in between. Should...