davisking/dlib

DLL load failed for CUDA on Python 3.8 for Windows

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#2,039 建立於 2020年3月28日

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 (27 留言) (2 反應) (0 負責人)C++ (12,570 star) (3,314 fork)batch import
bughelp wanted

描述

Expected Behavior

>>> import dlib
>>> :)

Current Behavior

>>> import dlib
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: DLL load failed while importing dlib: The specified module could not be found.
>>> :(

Steps to Reproduce

  1. Install CUDA
  2. Install cuDNN
  3. git clone https://github.com/davisking/dlib.git
  4. python setup.py install
  5. python -c"import dlib"

Because of A change in Python 3.8 for Windows, Python no longer searches for DLLs in directories listed in the PATH environment variable and fails to find curand64_10.dll, this is fixed after running os.add_dll_directory(os.path.join(os.environ['CUDA_PATH'], 'bin'))

  • Version: 19.19.99
  • Where did you get dlib: this github repo
  • Platform: Python 3.8 64-bit for Windows 10

貢獻者指南

技術棧
pythoncpp
領域
machine learningbackend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
2
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
under 1 hour
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Python 3.8 on WindowsCUDA and cuDNN installeddlib build process
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
70
研究方向
The issue is a DLL loading problem on Windows with Python 3.8 due to changes in DLL search order. The fix involves adding a call to `os.add dll directory()` in the dlib initialization code, specifically in `dlib/ init .py` or the `setup.py` to add the CUDA bin directory before importing the dlib module. The issue report explicitly states the required change, so research should focus on locating the appropriate file to add this fix.