deepspeedai / deepspeedai/DeepSpeed
[BUG]Installation Error on Torch while Torch is Installed
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@loadams is already working on this.
Since Oct 14, 2025.
windows
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Description
C:\>python -m pip install deepspeed
Collecting deepspeed
Using cached deepspeed-0.17.6.tar.gz (1.6 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... error
error: subprocess-exited-with-error
× Getting requirements to build wheel did not run successfully.
│ exit code: 1
╰─> [26 lines of output]
[WARNING] Unable to import torch, pre-compiling ops will be disabled. Please visit https://pytorch.org/ to see how to properly install torch on your system.
[WARNING] unable to import torch, please install it if you want to pre-compile any deepspeed ops.
DS_BUILD_OPS=1
But Torch is clearly installed:
C:\>python
Python 3.13.3 (tags/v3.13.3:6280bb5, Apr 8 2025, 14:47:33) [MSC v.1943 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import torch
>>> print(torch.__version__)
2.8.0+cu128
>>> print(torch.cuda.is_available())
True
>>> exit()
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